https://makersportal.com/blog daily 0.75 2022-12-09 https://makersportal.com/blog/arduino-sensor-data-logging-and-visualization-on-iphone monthly 0.5 2026-03-06 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/291e54e0-9706-48f0-bb0d-fcb40c13ed02/makerBLE_plot_bmp280.JPG Blog - Arduino Sensor Data Logging and Visualization on iPhone - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/aca96aa4-8d62-44f7-8e4f-a6996d2d0ecc/makerble_bmp280_wiring.png Blog - Arduino Sensor Data Logging and Visualization on iPhone - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/417d11da-cfdd-4093-9b1e-4d8251ce5358/makerBLE_w_bmp280.jpg Blog - Arduino Sensor Data Logging and Visualization on iPhone - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/39042605-7ed6-4b11-88f2-7ade0d36f432/makerBLE_github_card.png Blog - Arduino Sensor Data Logging and Visualization on iPhone - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/a075387f-cf0c-425c-9cfe-dd454f8a3469/adafruit_bmp280_library_manager.png Blog - Arduino Sensor Data Logging and Visualization on iPhone - Install Adafruit’s BMP280 Library In the Arduino IDE, navigate to: Sketch → Include Library → Manage Libraries. Type in BMP280 and install Adafruit’s library and its dependencies. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/04e4e4c8-7768-4f63-9a71-f7cee111983e/bmp280test_screenshot_serial_monitor.png Blog - Arduino Sensor Data Logging and Visualization on iPhone - BMP280 Serial Monitor Readout Testing the BMP280 sensor using the MakerBLE Arduino board. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1625776333489-VSYJDZFSXC9AMPPVS33J/BLExAR_logo_rounded.png Blog - Arduino Sensor Data Logging and Visualization on iPhone - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/bd70f6ef-c302-4caa-b43c-5cb4a84544aa/BLExAR_handheld_scan_makerBLE.jpg Blog - Arduino Sensor Data Logging and Visualization on iPhone - Scanning for the MakerBLE on BLExAR Make sure the code is uploaded to the MakerBLE Arduino board and that the iOS device has Bluetooth turned on. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/f5d22161-226b-4cf5-ac3b-5d0f84804d49/makerBLE_BLExAR_data_plot.gif Blog - Arduino Sensor Data Logging and Visualization on iPhone - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/57755038-e83e-408a-b489-b4f16d2db8e3/makerBLE_BLExAR_app.jpg Blog - Arduino Sensor Data Logging and Visualization on iPhone https://makersportal.com/blog/makerble-tiny-nrf52840-bluetooth-arduino-board monthly 0.5 2022-11-30 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/cc9ace48-3656-46ef-9406-6e0bb80fbbef/MakerBLE_BLExAR_BLOG_MAIN.JPG Blog - MakerBLE — A Tiny nRF52840 Bluetooth Arduino Board - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1665967574022-GEHG1YE8D38N2FEJR337/MakerBLE_pinout.png Blog - MakerBLE — A Tiny nRF52840 Bluetooth Arduino Board - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/78b61762-d54b-41d1-a78f-0253048f90bc/makerBLE_w_breadboard.JPG Blog - MakerBLE — A Tiny nRF52840 Bluetooth Arduino Board - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/72435ef4-6e44-480c-8b74-442c69735084/arduino_ide_preferences.png Blog - MakerBLE — A Tiny nRF52840 Bluetooth Arduino Board - Step 1: Arduino → Preferences Open the “Additional Boards Manager URLs” https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/0515d0c2-84fa-45bc-9fcb-c3cc68fc96ad/board_manager_screenshot.png Blog - MakerBLE — A Tiny nRF52840 Bluetooth Arduino Board - Step 2: Add MakerBLE Board Package Link Add the following board package link: https://raw.githubusercontent.com/makerportal/makerBLE/main/package_makerble_index.json https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/4e5ad5b8-4778-47d5-9011-2fd84f042244/makerble_board_install.png Blog - MakerBLE — A Tiny nRF52840 Bluetooth Arduino Board - Step 3: Tools → Board → Board Manager Input “maker” into the Boards Manager search bar and install “MakerBLE mbed Board.” This is the ArduinoBLE-compatible board package. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/3899eb68-20a6-4fde-966a-357f8c58e980/makerble_board_selection.png Blog - MakerBLE — A Tiny nRF52840 Bluetooth Arduino Board - Step 4: Tools → Board → MakerBLE Board Select “MakerBLE — nRF52840” from the cascading menu. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/39042605-7ed6-4b11-88f2-7ade0d36f432/makerBLE_github_card.png Blog - MakerBLE — A Tiny nRF52840 Bluetooth Arduino Board - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1625776333489-VSYJDZFSXC9AMPPVS33J/BLExAR_logo_rounded.png Blog - MakerBLE — A Tiny nRF52840 Bluetooth Arduino Board - Make it stand out BLExAR App for Android and Apple Smartphones https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/2ebd0fde-fae5-44cd-8823-0a1d7cf6b09d/MakerBLE_BLExAR_message.JPG Blog - MakerBLE — A Tiny nRF52840 Bluetooth Arduino Board - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/9049df5e-fac9-4758-9aa9-5009eefc0321/makerBLE_hand_w_plug.jpg Blog - MakerBLE — A Tiny nRF52840 Bluetooth Arduino Board - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://makersportal.com/blog/haptic-feedback-joystick-with-arduino monthly 0.5 2022-11-11 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1628305693582-5A7OWA06OOUUXWT6P8OX/haptic_joystick_hand.JPG Blog - Haptic Feedback Joystick with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1628269080714-0LSC3W95EOV6U9TS1N7Y/esp32_d1_mini_pinout.png Blog - Haptic Feedback Joystick with Arduino - ESP32 D1 Mini Pinout Pinout diagram from: https://github.com/r0oland/ESP32_mini_KiCad_Library https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1628470764561-B4EV0LN8G5QKNS1U0LDN/wiring_diagram.png Blog - Haptic Feedback Joystick with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1628537201442-FIWFBYWPPWTAVGWDNE3E/Screen+Shot+2021-08-09+at+12.26.26+PM.png Blog - Haptic Feedback Joystick with Arduino - Component Wiring Table ESP32 + Joystick + Vibration Motor https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1628306452100-4J6FB0NO29DEJKT0SECT/github_card.png Blog - Haptic Feedback Joystick with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1628305848227-YSU12I2VG9A4ZGUQZVIP/haptic_joystick_open.JPG Blog - Haptic Feedback Joystick with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1628540426457-PY1FRUZGYZH8MM01O636/joystick_left.png Blog - Haptic Feedback Joystick with Arduino - Joystick Left ←: Constant Motor Vibration https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1628540748871-BF23U7I1V3OTAQIFPBNJ/joystick_down.png Blog - Haptic Feedback Joystick with Arduino - Joystick Down ↓: 200ms delay between vibrations (~300BPM) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1628541383427-9Y26FGGBX3I5PZ3UPPE5/joystick_right.png Blog - Haptic Feedback Joystick with Arduino - Joystick Right →: Heavy vibration with a short off delay https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1628541498496-R6D4YMDLOYUFIPV13S4T/joystick_up.png Blog - Haptic Feedback Joystick with Arduino - Joystick Up ↑: Three pulses with a train-like momentum https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1628541586377-D6XSY9FFOES3PUZH8V5S/joystick_press.png Blog - Haptic Feedback Joystick with Arduino - Joystick Press: Dual pulse similar to heart beat https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1628539422389-TF5NLS15R324CJHMIZ0U/haptic_joystick_open.JPG Blog - Haptic Feedback Joystick with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://makersportal.com/blog/portable-gps-tracker-with-arduino monthly 0.5 2022-11-17 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1626366733940-V5P8952TQJUBQY5PQBUH/arduino_gps_tracker_in_pocket_2.JPG Blog - Portable GPS Tracker with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1626281078868-ASIO8IUFVQL7LGIHFEVX/arduino_xiao_pinout_top.png Blog - Portable GPS Tracker with Arduino - ATSAMD21 Board Pinout Diagram https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1626283010788-Z67OMQ7PX2UL1VTV3H2S/atgm336h_datalogger_wiring.png Blog - Portable GPS Tracker with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1626283782626-FC92E8OAOD2TWET5E2YE/atgm336h_datalogger_wiring_table.png Blog - Portable GPS Tracker with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1626296114480-97LS0V76JTSXGWRELOJL/gps_datalogger_github_card.png Blog - Portable GPS Tracker with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1626320550591-6C3ZRS5U9JW7N8GV3E8Z/atgm336h_in_box.JPG Blog - Portable GPS Tracker with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1626303409599-MMSL7MTRE2582MEQDZTU/Screen+Shot+2021-07-14+at+3.56.33+PM.png Blog - Portable GPS Tracker with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1626303547326-XVGBXFKYOYVZWQ2TOT6A/gps_tracker_animation_compressed.gif Blog - Portable GPS Tracker with Arduino - GPS Tracker Map Animation https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1626320787878-NJO2IF0LC6ORK6WN2H93/atgm336h_zoom_label.JPG Blog - Portable GPS Tracker with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1626374317447-UI51PKT88N3U501EP92O/gps_tracker_pocket_conclusion.JPG Blog - Portable GPS Tracker with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://makersportal.com/blog/bluetooth-enabled-e-paper-display-with-arduino monthly 0.5 2022-10-13 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1625776218531-4ACCXVTH47XX8MZF0T2G/epaper_display_BLE_hi_arduino.JPG Blog - Bluetooth-Enabled e-Paper Display with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1625592976666-GWPHE7HADBGTOZUSZFM0/epaper_BLE_nano_wiring_table.png Blog - Bluetooth-Enabled e-Paper Display with Arduino - e-Paper Wiring to Arduino Board This wiring will work with any ATmega328P-based Arduino boards (Arduino Uno, Nano, BLE-Nano, etc.) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1625592559737-1B5BMQZPYNHMKNTJ4EYC/1_54in_epaper_wiring_w_BLE_nano.png Blog - Bluetooth-Enabled e-Paper Display with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1625759794955-5MM313CUP84H1CPMSEJ2/github_card.png Blog - Bluetooth-Enabled e-Paper Display with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1625758194858-ULANDH0XWTN2BFPMTR8S/epaper_display_simple_counter.JPG Blog - Bluetooth-Enabled e-Paper Display with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1625776333489-VSYJDZFSXC9AMPPVS33J/BLExAR_logo_rounded.png Blog - Bluetooth-Enabled e-Paper Display with Arduino - Make it stand out - BLExAR App - https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1625700759431-5CF44SY859M7NTBJCI2C/epaper_android_printout.gif Blog - Bluetooth-Enabled e-Paper Display with Arduino - e-Paper + Android Bluetooth Display Android text printed out on the 1.54in e-Paper display https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1625777112249-BVM0TRDJP6Y3QWQ80JX2/epaper_display_text_zoom.JPG Blog - Bluetooth-Enabled e-Paper Display with Arduino - e-Paper Zoomed-In The resolution of the 1.54 inch e-Paper display is about 185dpi, which is about 40% of the resolution of the newest smartphone devices (Apple’s iPhone 12 has a resolution of ≈460 dpi [technically ppi], and the Samsung Galaxy S21 has a resolution of ≈421 dpi). This results in a fairly decent resolution for the display at close range. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1625777914089-WA17H70XTKCBERGKBNW8/epaper_display_conclusion.JPG Blog - Bluetooth-Enabled e-Paper Display with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://makersportal.com/blog/an-introduction-to-rfid-with-arduino monthly 0.5 2022-11-11 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1624842399229-AVNPFE5V787G0NGG37FN/MFRC522_RFID_kit_hand.JPG Blog - An Introduction to RFID with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1624577248821-K7O45OZ6W3NNKCFHUTOU/MFRC522_arduino_uno_wiring.png Blog - An Introduction to RFID with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1624563351659-ZKAI0TDRVTJOPS0KVQ9P/Screen+Shot+2021-06-24+at+12.35.41+PM.png Blog - An Introduction to RFID with Arduino - Navigate to the Library Manager In the toolbar: Sketch -> Include Library -> Manage Libraries… https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1624563778372-QYYFPHDNLXYVETFVT8EF/mfrc522_arduino_library_selection.png Blog - An Introduction to RFID with Arduino - Search for the MFRC522 Library Install the MFRC522 library developed by the GithubCommunity https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1624565008582-AG540ZTALWAP3KR4CBM4/MFRC522_examples_options.png Blog - An Introduction to RFID with Arduino - Observe the Examples Available to the Selected Arduino Board (Uno in this case) Navigate to File -> Examples -> MFRC522 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1624590969839-QYG956GO0STYERUI81QT/Screen+Shot+2021-06-24+at+8.13.03+PM.png Blog - An Introduction to RFID with Arduino - Info Dump from RFID Tag Notice the terminology of sectors and blocks. These will be discussed below. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1624636354843-JJHY0BZTOS9UYZREVKOY/Screen+Shot+2021-06-24+at+8.03.42+PM.png Blog - An Introduction to RFID with Arduino - Make it stand out Courtesy of NXP, from MIFARE Classic EV1 1K https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1624641867956-BXTWEURLS6V4WH23FVT2/Screen+Shot+2021-06-24+at+8.13.03+PM.png Blog - An Introduction to RFID with Arduino - Make it stand out Previous tag scan output with factory defaults https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1624641759257-3MH0X01CUUVD021KQ6SS/Screen+Shot+2021-06-25+at+10.22.30+AM.png Blog - An Introduction to RFID with Arduino - Make it stand out Tag scan after changing the UID with MFRC522 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1624821029955-75RL6WY2T12L5FQG96S3/Screen+Shot+2021-06-27+at+12.08.20+PM.png Blog - An Introduction to RFID with Arduino - Successful Saving of First and Last Name to RFID Tag In our case, we inputted Smith# and John#, which should output John Smith as the first and last name. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1624821239080-SAOCTFZHN5HRPEX3W6UG/Screen+Shot+2021-06-27+at+12.13.50+PM.png Blog - An Introduction to RFID with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1624821392156-QB89BVM5171MFQ5WPY9Y/Screen+Shot+2021-06-27+at+12.16.07+PM.png Blog - An Introduction to RFID with Arduino - Output of all 16 Sectors after saving first and last name We can see that blocks 1,2 and 4,5 have changed, which is where the example code saved the personal data. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1624822196597-YE1UTNHDOZX5L2J96VEX/smith_printout_hex.png Blog - An Introduction to RFID with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1624843138864-H987BHCY4JFK177L8SY5/MFRC522_module_main.JPG Blog - An Introduction to RFID with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://makersportal.com/blog/solar-panel-characterization-and-experiments-with-arduino monthly 0.5 2022-11-16 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1623430927309-ZWXKH772NXQNH7UTJGSP/solar_rheostat_setup.JPG Blog - Solar Panel Characterization and Experiments with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1623637434282-O1FF5BJMSIL88DQPY4TX/experiment_setup_wiring.png Blog - Solar Panel Characterization and Experiments with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1623960027424-A4R52Z512OE6PL5Z3V2H/solar_cell_simple_theory.png Blog - Solar Panel Characterization and Experiments with Arduino - Basic Solar Cell Voltage/Current Profile Expected output before any electrical components are added to the solar cell system. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1623963148464-PKZL8RBWUQYEJ7MH8FVM/PV_cell_equiv_circuit.png Blog - Solar Panel Characterization and Experiments with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1623965357711-BM3VUTNMPHW9I0BPUPTY/available_on_the_app_store.png Blog - Solar Panel Characterization and Experiments with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1623965417482-MPG2TT5Y0ZKP1WWX30G1/get_it_on_google_play.png Blog - Solar Panel Characterization and Experiments with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1623465391588-CQ8AWTGRGL0N9ZW4WVA7/BLExAR_logo_rounded.png Blog - Solar Panel Characterization and Experiments with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1623966408823-FN8QDFO6TWGEQ70CYXJZ/github_card.png Blog - Solar Panel Characterization and Experiments with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1623465513067-LR3FLVXRWU6RVDXIGEN3/IMG_2111.PNG Blog - Solar Panel Characterization and Experiments with Arduino - BLExAR Printout of Voltage and Current for the Solar Panel Rheostat Experiment https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1623975789587-WT8CTW7R6XCSZLS0JE2Z/rheostat_turn.gif Blog - Solar Panel Characterization and Experiments with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1623393696290-AILBA921GGJ7F0BMH7YM/solar_panel_char_output_BLOG.png Blog - Solar Panel Characterization and Experiments with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1624034561779-B9T6YUZ9TIE997VEQKM2/solar_output_diurnal_profile.png Blog - Solar Panel Characterization and Experiments with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1624034745445-CKY5UHT1W1G5J3E7NJXF/Screen+Shot+2021-06-18+at+9.45.06+AM.png Blog - Solar Panel Characterization and Experiments with Arduino - Make it stand out Courtesy of Weather Underground: https://www.wunderground.com/history/daily/us/ca/san-francisco/KSFO/date/2021-6-16 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1623976600327-X7PFFO68OE9MVPF81Q03/solar_exp_w_android.JPG Blog - Solar Panel Characterization and Experiments with Arduino - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://makersportal.com/blog/tinybluex-a-low-power-bluetooth-arduino-board monthly 0.5 2022-11-16 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1619285082223-XZC56RBOLTIBFQIEC5AL/TinyBlueX_w_arduino.JPG Blog - TinyBlueX - A Low Power Bluetooth Arduino Board https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1619217217501-VO6DKZCPNVCPWCHXYXJC/TinyBlueX_drawing_w_dimensions.png Blog - TinyBlueX - A Low Power Bluetooth Arduino Board https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1619217676742-DEBZSO8BI44AA7N77S85/TinyBlueX_drawing_annotated.png Blog - TinyBlueX - A Low Power Bluetooth Arduino Board - Pinout of the TinyBlueX Module Pins 2,3,7 are general purpose input/output (GPIO) pins. Pins 5/6 are reserved for the BLE module, pin 1 is the ATtiny85 reset pin, and VCC/GND can be used for powering sensors and actuators. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1619560678327-JJIHTJGCXNSGAHS1W5AR/attiny85_pinout_drawing.jpg Blog - TinyBlueX - A Low Power Bluetooth Arduino Board https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1571530587719-LZB0HZLY3TQD4O5BLANJ/boards_manager_link.png Blog - TinyBlueX - A Low Power Bluetooth Arduino Board - Step 1: Add ATtiny URL Add ATtiny Package link [here] from David A. Mellis to File -> Preferences -> Additional Boards Manager URLs https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1571530662689-UPSX5XNZBKHQ2TMD7AJ4/attiny_boards_manager.png Blog - TinyBlueX - A Low Power Bluetooth Arduino Board - Step 2: Download Package from Boards Manager Tools -> Board -> Boards Manager -> Type: 'attiny' -> Install https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1571530898119-9KC985LARJMUJG1O2BRE/arduino_ISP.png Blog - TinyBlueX - A Low Power Bluetooth Arduino Board - Step 3: Upload ArduinoISP Code File -> Examples -> ArduinoISP. Make sure line 81 is uncommented for the traditional programming using the SPI header on the Uno board. Upload to the Uno board before wiring to the TinyBlueX. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1619226857679-YSXV42DU54QCCI0NFN1W/TinyBlueX_arduino_uno_wiring.png Blog - TinyBlueX - A Low Power Bluetooth Arduino Board https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526769319550-6LVDHY69D8Q3J8FPHH2I/select_attiny85_board.png Blog - TinyBlueX - A Low Power Bluetooth Arduino Board - Step 4: Select ATtiny85 from the Board Menu On the Arduino IDE: Tools -> Board -> ATtiny Microcontrollers -> ATtiny25/45/85 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1571531520444-FGB45HSCSGF6ZZM4JY9V/attiny_board_properties.png Blog - TinyBlueX - A Low Power Bluetooth Arduino Board - Step 5: Verify Board Properties Processor: ATtiny85, Clock: Internal 8 MHz https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1571531258691-Q65UO882OIYMJ0TF2K1B/arduino_as_ISP.png Blog - TinyBlueX - A Low Power Bluetooth Arduino Board - Step 6: Change Programmer to ‘Arduino as ISP’ Tools -> Programmer: ‘Arduino as ISP’ https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1571531632891-DCJCLD891ORRAUDF2I22/burn_attiny_bootloader.png Blog - TinyBlueX - A Low Power Bluetooth Arduino Board - Step 7: Burn Bootloader Tools -> Burn Bootloader https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1619288088965-CB8SI9VRGYD5QIK9WUCI/tinybluex_github_card.png Blog - TinyBlueX - A Low Power Bluetooth Arduino Board https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1619229331114-68928WKUGKLSVN0OTSQW/BLExAR_logo_rounded.png Blog - TinyBlueX - A Low Power Bluetooth Arduino Board https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1619278676570-8KAVBPN455DGLXT40P5R/tinybluex_chat_blexar.jpg Blog - TinyBlueX - A Low Power Bluetooth Arduino Board - BLE Chat Between iPhone and TinyBlueX Board https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1619284921029-48FA5R705ZP2AELYKXI4/TinyBlueX_side_view.JPG Blog - TinyBlueX - A Low Power Bluetooth Arduino Board https://makersportal.com/blog/pcb-design-and-fabrication-with-nextpcb monthly 0.5 2021-04-23 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1619036721101-MZJE19UM0G6U3XVLJ33O/TinyBlue_pcb_top.JPG Blog - PCB Design and Fabrication with NextPCB https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1616429116691-9EHNPZD1CAX6UMSJIDT3/nextpcb_logo.png Blog - PCB Design and Fabrication with NextPCB https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1616865784489-QSG4PL0EO9S80W4PSSWV/8562144.png Blog - PCB Design and Fabrication with NextPCB Fritzing is an open-source PCB design software https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1616866192539-7E4BZZABJ7717G3ZB6TF/fritzing_pcb_tab.png Blog - PCB Design and Fabrication with NextPCB https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1616869346128-2YTDCMR86QRQ2TSR5RXI/attiny85_and_ble_module.png Blog - PCB Design and Fabrication with NextPCB https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1616874305258-HP9QSASTN27YX60G9SJD/TinyBlue_pcb.png Blog - PCB Design and Fabrication with NextPCB - PCB Designed with Fritzing Before Adding Connections https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1616876885122-PWS2M5KV13016DQNNAR4/pcb_routed.png Blog - PCB Design and Fabrication with NextPCB https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1616877262386-8CRMO4YNLKWK34QJJSEV/nextpcb_logo.png Blog - PCB Design and Fabrication with NextPCB https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1616877854404-AMTLP16K027OBXCAQEXH/export_gerber.png Blog - PCB Design and Fabrication with NextPCB https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1616878110985-YFTR0JG1FFHZ1P54WTDH/nextpcb_pcb_quote.png Blog - PCB Design and Fabrication with NextPCB https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1616878352291-VKRFGLH97750MWRN60LC/pcb_upload_page.png Blog - PCB Design and Fabrication with NextPCB https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1616878506827-B9PC05APZXE3YBJS1UH9/gerber_viewer.png Blog - PCB Design and Fabrication with NextPCB https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1616879076467-O22FF91E8WPM2YP4TD8D/Screen+Shot+2021-03-27+at+4.59.12+PM.png Blog - PCB Design and Fabrication with NextPCB https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1616879397942-R6ATZDJBH17KZCJZCP2T/Screen+Shot+2021-03-27+at+5.09.35+PM.png Blog - PCB Design and Fabrication with NextPCB https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1617219308072-RFRDY42U3P3KIJ5BI3XO/nextpcb_offers.png Blog - PCB Design and Fabrication with NextPCB https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1619037542691-MZQ8DG7FB8OWZQRV6VXI/TinyBlue_handheld.JPG Blog - PCB Design and Fabrication with NextPCB Final PCB manufactured by NextPCB https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1616880873199-C95GC2UC5CETADIA2VJM/nextpcb_logo.png Blog - PCB Design and Fabrication with NextPCB https://makersportal.com/blog/water-metering-with-the-wawico-usb-kit-and-raspberry-pi monthly 0.5 2022-10-13 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615907262306-IX34T4I1N77SWV344GE1/wawico_vs_mech_MAIN.JPG Blog - Water Metering with the WaWiCo USB Kit and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615397741028-N05ZH6KOPVDB4EV5B67N/wawico_logo.png Blog - Water Metering with the WaWiCo USB Kit and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615424271609-JGIED60UAZZTKS0EPC9A/usb_a_pinout.png Blog - Water Metering with the WaWiCo USB Kit and Raspberry Pi - USB Type A Pinout for Powering the Regulator https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615401628232-I3AANIUKDEPLZKD531FA/ADMP401_sound_card_regulator.png Blog - Water Metering with the WaWiCo USB Kit and Raspberry Pi - Wiring Diagram for the DIY WaWiCo Water Metering Kit https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615402083168-NMLVTL3OXCFN7N2BWNX3/usb_github_card.png Blog - Water Metering with the WaWiCo USB Kit and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615668202049-1X9Z3R7QYGP43CSVWVFV/F_Q_flow_eqn.png Blog - Water Metering with the WaWiCo USB Kit and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615669139770-ON5N72580H24K0VR0XI8/Q_flow_rate_eqn_L_per_sec.png Blog - Water Metering with the WaWiCo USB Kit and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615679934850-5NY3MK9B4NVXJURDFTE3/water_flow_sensor_G34.JPG Blog - Water Metering with the WaWiCo USB Kit and Raspberry Pi - Mechanical Flow Meter Calibration with 3L Graduated Container https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615682257964-1FCGCIGAK007OYAZNGSZ/mech_flow_calib.gif Blog - Water Metering with the WaWiCo USB Kit and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615837780719-L8PE4CGBKMNHFL7LUBDV/pearson_corr_coeff.png Blog - Water Metering with the WaWiCo USB Kit and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615836550623-F7R3RU33WSZ6IL8S4ZIO/wawico_mechanical_correlation.png Blog - Water Metering with the WaWiCo USB Kit and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615856706836-DHVMA0ASVC3FVGKZG06Y/goertzel_comp_w_mechanical.png Blog - Water Metering with the WaWiCo USB Kit and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615905835062-EETK91W3A4RMAKJBVMWD/mech_flow_meter_rpi_wawico.JPG Blog - Water Metering with the WaWiCo USB Kit and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615906337808-N0SDUW6YA6GWXY3G1119/wawico_logo.png Blog - Water Metering with the WaWiCo USB Kit and Raspberry Pi - Visit WaWiCo to Learn More About Water Metering: https://wawico.com/ https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615899651089-ESZFGY45J4E0KJ8SCWN4/rpi_w_flexband_and_USB.JPG Blog - Water Metering with the WaWiCo USB Kit and Raspberry Pi https://makersportal.com/blog/raspberry-pi-pico-oled-display monthly 0.5 2022-11-16 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615337010159-4BFFE46XI8SKQBP6BBRK/SSD1306_w_pico_BLOG.JPG Blog - Raspberry Pi Pico OLED Display (SSD1306) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1614989719913-UWW4CNKISBX94FQ8SMAW/ssd1306_w_RPi_Pico.png Blog - Raspberry Pi Pico OLED Display (SSD1306) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615054829237-OJTM7OLSLDJO0O2DMDBR/Screen+Shot+2021-03-06+at+1.20.18+PM.png Blog - Raspberry Pi Pico OLED Display (SSD1306) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615148200187-GUYJNUL3WMJ1ZQ1KDVX3/rpi_pico_ssd1306_GitHub_Card.png Blog - Raspberry Pi Pico OLED Display (SSD1306) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615149498108-EEMCQETM4DVOA6JMJE7N/ssd1306_bare_minimum_pico.png Blog - Raspberry Pi Pico OLED Display (SSD1306) - Minimum Requirements When Interfacing with the SSD1306 Display https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615151572441-WKA0T5HJ7379TPNB8C2W/byte_array_screenshot.png Blog - Raspberry Pi Pico OLED Display (SSD1306) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615152202692-Y7J9P5IIJLT5E20S6UJ0/insert_bytearray.png Blog - Raspberry Pi Pico OLED Display (SSD1306) - Insert the bytearray() printed above into the imgfile.py on the Pico https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615327424179-RHAKO5JBWX5D0PXJCCC7/SSD1306_w_pico_text.JPG Blog - Raspberry Pi Pico OLED Display (SSD1306) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1615328329898-VAGIWYI9ZQFB78B032J1/SSD1306_w_pico_mic.jpg Blog - Raspberry Pi Pico OLED Display (SSD1306) https://makersportal.com/blog/ws2812-ring-light-with-raspberry-pi-pico monthly 0.5 2022-11-16 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1614541237570-W0ZQWJCAZIW1M9ZD0UYH/16bit_w_pico_google_2.jpg Blog - WS2812 LED Ring Light with Raspberry Pi Pico https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1614382179383-P91D3BZODGSP3DVVH56S/rpi_pico_w_power_supply_WS2812_ring_16bit.png Blog - WS2812 LED Ring Light with Raspberry Pi Pico https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1614535163687-L2I01SEOYNZI8ZGW0HUY/multimeter_16pix.JPG Blog - WS2812 LED Ring Light with Raspberry Pi Pico https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1614621263688-5RDNAVVWLSWWYBKOCV8V/github_repo_card.jpg Blog - WS2812 LED Ring Light with Raspberry Pi Pico https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1614554856075-EG5MWXJ26SQV6NKDLOZ0/16pix_single_demo.gif Blog - WS2812 LED Ring Light with Raspberry Pi Pico - Single LED Loop with 16-Pixel Ring Light https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1614559182665-NH137VSOGUJ05M2H8QW8/16pix_breathing_demo.gif Blog - WS2812 LED Ring Light with Raspberry Pi Pico - WS2812 ‘Breathing’ LED https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1614536604961-BG1IDMODX5V4JKGXIZLK/16_bit_LED_ring.jpg Blog - WS2812 LED Ring Light with Raspberry Pi Pico Zoomed-in view of a single RGB LED aboard the 16-pixel ring light. https://makersportal.com/blog/listening-to-your-pipes-with-a-mems-microphone-and-raspberry-pi monthly 0.5 2021-04-01 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1613150702952-CAWL1WT3XX8ZBC9LHP3F/flexband_connected_to_pipe.JPG Blog - Listening to Your Pipes with a MEMS Microphone and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1613517429053-GTCAPAWAG65K0TROJXH4/wawico_logo.png Blog - Listening to Your Pipes with a MEMS Microphone and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1613159365144-NASJHC60A38951A8XA7D/usb_adapter_w_RPi.JPG Blog - Listening to Your Pipes with a MEMS Microphone and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1613166243965-ANVWC3K102T9QA2YXRHZ/usb_github_card.png Blog - Listening to Your Pipes with a MEMS Microphone and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1613171579927-5QIRFEKCYKTQ6DONWQWC/wawico_realtime_demo.png Blog - Listening to Your Pipes with a MEMS Microphone and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1613321565360-9RAAMEG0HTT1EPMMRBN6/wawico_flow_detection_output.png Blog - Listening to Your Pipes with a MEMS Microphone and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1613497501252-4CN8W0FR7E46FOE4AUF3/usb_wawico_spectrogram_annotated.png Blog - Listening to Your Pipes with a MEMS Microphone and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1613412886264-QTOY2W02MWUWCTHWRT21/faucet_flow.gif Blog - Listening to Your Pipes with a MEMS Microphone and Raspberry Pi https://makersportal.com/blog/3-intermediate-level-arduino-projects-to-try-at-home monthly 0.5 2021-02-04 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1612466514797-K39OOK0Q3YG622AY5Y49/arduino_led_wiring_example.jpg Blog - 3 Intermediate-Level Arduino Projects to Try at Home https://makersportal.com/blog/raspberry-pi-pico-tests-with-micropython monthly 0.5 2022-11-16 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611875254982-Y7O6BM0WY5LWOSMIXW97/rpi_pico_w_rgb_led.JPG Blog - An Introduction to the Raspberry Pi Pico with MicroPython https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611774440935-QPMFXYUKMZRQ8SGMRTQS/RPi_pico_pinout.png Blog - An Introduction to the Raspberry Pi Pico with MicroPython https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611796228653-EN0QO2WP7OJH3BKEY83H/Micropython-logo.png Blog - An Introduction to the Raspberry Pi Pico with MicroPython - Step 1: Download the MicroPython UF2 File for the Pico Also downloadable on the Pico Webpage https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611796771600-OE29KRLAQP23KNKU2RT8/pico_step_2.gif Blog - An Introduction to the Raspberry Pi Pico with MicroPython - Step 2: Hold Down BOOTSEL and Connect Pico to USB Port on Raspberry Pi 4 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611801352728-B1IUVIBOE25TDTRLBV9B/pico_mass_storage_annotated.png Blog - An Introduction to the Raspberry Pi Pico with MicroPython - Step 3: Verify the RPI-RP2 Device in the File Manger https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611797718907-AWOVCP6S3WFI4DSF9ZPK/image-asset.gif Blog - An Introduction to the Raspberry Pi Pico with MicroPython - Step 4: Drag and Drop the Downloaded MicroPython UF2 File to the RPI-RP2 (Pico) Device RPI-RP2 is the Pico Mass Storage Device Name, which should disappear after dragging and dropping the UF2 file onto it https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611799143686-KNL53Q9ACHKNU1LK9ZYK/pico_ACM_port.png Blog - An Introduction to the Raspberry Pi Pico with MicroPython - Discovery of The Pico Device Port (ttyACM0) Before and after plugging the Pico into the USB port https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611799945666-N76Q927V318IC5W56D7O/minicom_menu.png Blog - An Introduction to the Raspberry Pi Pico with MicroPython - Minicom Menu on the Pico Microcontroller Pressing “Enter” takes the user into the Python terminal, where the user can control the Pico microcontroller using Python commands https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611800285601-03QFDA5EAVDPSYHOME63/minicom_toggle_LED.png Blog - An Introduction to the Raspberry Pi Pico with MicroPython - Toggling the Onboard Pico LED to Its On State The onboard LED should be on after the three lines of Python code are inputted https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611875352504-GX17IBS54B5D7X40FJZ9/onboard_LED_on.JPG Blog - An Introduction to the Raspberry Pi Pico with MicroPython https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611801536642-AL4IF1PCQGVP5VY9TAFK/thony_switch_annot.png Blog - An Introduction to the Raspberry Pi Pico with MicroPython - Open Thonny on The Raspberry Pi Switch to regular mode if no toolbar is available, then exit and reopen the IDE https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611801659864-HSF2BHV3JQMJZFDVFDX2/thonny_window.png Blog - An Introduction to the Raspberry Pi Pico with MicroPython - The Correct Thonny Window with The Enabled Toolbar Note the Shell indicating Python 3. This will be changed to MicroPython on the Pico. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611801808554-D85XZNUDIRJMCDYVQVGW/thonny_tools.png Blog - An Introduction to the Raspberry Pi Pico with MicroPython - Navigate to Tools -> Options https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611802025907-5YJFBQUDKKWGUVE92VTD/thonny_config_pico.png Blog - An Introduction to the Raspberry Pi Pico with MicroPython - Select Interpreter and Choose ‘MicroPython (Raspberry Pi Pico)’ to Use The Pico with Thonny https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611853926873-Y2Z3RLMCSMN4B3LJY9WW/thonny_pico_LED_on.png Blog - An Introduction to the Raspberry Pi Pico with MicroPython - Confirm MicroPython in The Thonny Shell The MicroPython interpreter can also be verified by turning on the Pico’s LED in the shell https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611864803044-TN9S4X7AN555VQ40Q4T0/pico_rgb_led_wiring.png Blog - An Introduction to the Raspberry Pi Pico with MicroPython - GPIOs 16-18 Wired to the Red, Green, and Blue LED Pins Pin 23 is used as ground https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/7cb8802d-a236-4a08-83e7-ccc75e1febcc/fs_tech_turnkey_PCB_assembly.png Blog - An Introduction to the Raspberry Pi Pico with MicroPython - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611866212132-Q79WS4VMVAK4J0URXCBK/thonny_pico_main_py.png Blog - An Introduction to the Raspberry Pi Pico with MicroPython - Saving the Script as ‘main.py’ Will Run the Script Immediately After the Pico Boots Saving the script as another name will save it to the Pico, but will only run when instructed to (via Minicom or Thonny). https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611874025796-EZZFG34DJE9FR3JSTC2B/rgb_LED_on_w_pico.JPG Blog - An Introduction to the Raspberry Pi Pico with MicroPython https://makersportal.com/blog/raspberry-pi-stepper-motor-control-with-nema-17 monthly 0.5 2022-12-05 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611593203205-HXP17L1ISRTOQCYIFFC5/nema17_hs4023_w_driver_tape.JPG Blog - Raspberry Pi Stepper Motor Control with NEMA 17 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611529718061-Y0N4ZQCQOC3RNTC3CSYT/nema17_rpi_drv8825_drawing.png Blog - Raspberry Pi Stepper Motor Control with NEMA 17 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611594041966-DFLPKK6PHVZG815MQES9/nema17_hs4023_w_driver_top.JPG Blog - Raspberry Pi Stepper Motor Control with NEMA 17 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611586850661-A88CMC2EAUEOGYOQ61NK/DRV8825_screw_annotation.png Blog - Raspberry Pi Stepper Motor Control with NEMA 17 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611588588228-4K11SXFZWBA3SSQJ1WX7/current_eqn.png Blog - Raspberry Pi Stepper Motor Control with NEMA 17 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611593915561-F8SSMV0DUXNDNLHQNSW1/nema17_rpi_demo.gif Blog - Raspberry Pi Stepper Motor Control with NEMA 17 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611596561969-ECYKG0OO4O14SZ6C675X/drv8825_MS1_MS3_boolean.png Blog - Raspberry Pi Stepper Motor Control with NEMA 17 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611598687155-3CM5DPMRX5NT7181MPVC/nema17_w_driver_vertical.JPG Blog - Raspberry Pi Stepper Motor Control with NEMA 17 https://makersportal.com/blog/distance-detection-with-the-tf-luna-lidar-and-raspberry-pi monthly 0.5 2022-11-16 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611253996242-5ZPPBSX71HLPURCWHJYK/TF_Luna_w_raspberrypi4.JPG Blog - Distance Detection with the TF-Luna LiDAR and Raspberry Pi - TF-Luna LiDAR https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1611189520095-9IWHMFC18O10C4TSGYMR/image-asset.png Blog - Distance Detection with the TF-Luna LiDAR and Raspberry Pi For the simplest usage, only pins 1-4 are required, which account for VCC, GND, and UART pins (RXD/TXD). 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Open Command Window and type “sudo i2cdetect -y 1” Verify 0x69 as the I2C device address https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1610562506488-UGKC9ENG28NLTCW6NF1I/boot_config_terminal.png Blog - Thermal Camera Analysis with Raspberry Pi (AMG8833) - Access The Raspberry Pi Boot File https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1610562732933-7G7OB6MBOJAM9399V0FN/i2c_clock_freq_400khz.png Blog - Thermal Camera Analysis with Raspberry Pi (AMG8833) - Add/Change the I2C Baudrate to 400kHz https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1610648629999-J84AZ2AMHM3PNGCVEFZC/AMG8833_IR_cam_test.png Blog - Thermal Camera Analysis with Raspberry Pi (AMG8833) - Example AMG8833 IR Camera Output A rough outline of a person can be seen https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1610660136789-W0298JZ3P8PFR7MAR27X/ir_cam_interp_video_demo.gif Blog - Thermal Camera Analysis with Raspberry Pi (AMG8833) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1610649144367-ZSKEBU1S61QT2ESH9678/amg8833_zoom_chip_2.JPG Blog - 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Satellite Imagery Analysis in Python Part II: GOES-16 Land Surface Temperature (LST) Manipulation https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1562888299520-5MI89K76QX2UIOXS4667/nyc_shapefile_plain.png Blog - Satellite Imagery Analysis in Python Part II: GOES-16 Land Surface Temperature (LST) Manipulation https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1562888719891-31BW7686DYSZHOB178B2/nyc_shapefile_colors.png Blog - Satellite Imagery Analysis in Python Part II: GOES-16 Land Surface Temperature (LST) Manipulation https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1562971861552-N09A54YS5DRE3MAN6L9A/nyc_LST_clipped.png Blog - Satellite Imagery Analysis in Python Part II: GOES-16 Land Surface Temperature (LST) Manipulation https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1563143965003-PF78HZDOTPBHA95BXTIX/nyc_borough_LST_mean.png Blog - Satellite Imagery Analysis in Python Part II: GOES-16 Land Surface Temperature (LST) Manipulation https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1563143308939-23F2RTL6HWPWON19O0XT/nyc_borough_diurnal_plot.png Blog - Satellite Imagery Analysis in Python Part II: GOES-16 Land Surface Temperature (LST) Manipulation https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1563154109727-CK84R865NEL6KNOLYSF1/nyc_borough_diurnal_manhattan_STDEV.png Blog - Satellite Imagery Analysis in Python Part II: GOES-16 Land Surface Temperature (LST) Manipulation https://makersportal.com/blog/2019/7/3/matlab-datalogger-with-arduino monthly 0.5 2021-01-20 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1562806829165-0SALFCSMPQ3C3NPT4TGO/thermal_camera_gif_example_compressed.gif Blog - MATLAB Datalogger with Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1562856123989-LVHOXHTN5N4ZQ6O6D3XZ/amg8833_arduino_wiring.png Blog - MATLAB Datalogger with Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1562369373347-HAX66WDZB5IEIWWJG9VO/matlab_serial_read_random.png Blog - MATLAB Datalogger with Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1562864607785-FWPRCHCTB0WRLLUWI2Z9/matlab_serial_AMG8833_8_by_8.png Blog - MATLAB Datalogger with Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1562864913875-OVX4SWLAJT4GXURF0S3P/amg8833_matlab_thermal_example.png Blog - MATLAB Datalogger with Arduino https://makersportal.com/blog/2019/7/8/satellite-imagery-analysis-in-python-part-i-goes-16-data-netcdf-files-and-the-basemap-toolkit monthly 0.5 2019-07-29 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1562797820938-OL76OY0IWC6L3UK0KHV9/goes_lst_optimized.gif Blog - Satellite Imagery Analysis in Python Part I: GOES-16 Data, netCDF Files, and The Basemap Toolkit https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1562604877708-YGDAECP8RO7NF29ME0GE/AIRS_site.png Blog - Satellite Imagery Analysis in Python Part I: GOES-16 Data, netCDF Files, and The Basemap Toolkit https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1562605269047-8RAU187DWFTS1TC7UCPK/AIRS_product_selection.png Blog - Satellite Imagery Analysis in Python Part I: GOES-16 Data, netCDF Files, and The Basemap Toolkit - Choosing Satellite Data Product Type - LST = land surface temperature ABI Channel - N/A for LST ABI Scan Section - C = CONUS (Contiguous 48 states) Satellite - G16 (GOES-16) ABI Mode - M3 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1562607537705-VJIHDHLM8LRJJPNT9KR9/AIRS_order_email.png Blog - Satellite Imagery Analysis in Python Part I: GOES-16 Data, netCDF Files, and The Basemap Toolkit https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1562796082379-05W4VLEAF4L9SY175XF6/GOES_16_filename_convention.png Blog - Satellite Imagery Analysis in Python Part I: GOES-16 Data, netCDF Files, and The Basemap Toolkit https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1562775209858-NHBIEVQ3L1LBBQJ5I06Q/basemap_conus_example.png Blog - Satellite Imagery Analysis in Python Part I: GOES-16 Data, netCDF Files, and The Basemap Toolkit https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1562783555942-5H92LKX4M6PZTMCZQZLH/goes_16_data_demo.png Blog - Satellite Imagery Analysis in Python Part I: GOES-16 Data, netCDF Files, and The Basemap Toolkit https://makersportal.com/blog/2019/6/24/arduino-heart-rate-monitor-using-max30102-and-pulse-oximetry monthly 0.5 2022-11-16 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1561859863397-56XD513QOINFISJ5JG6M/max30102_finger.JPG Blog - Arduino Heart Rate Monitor Using MAX30102 and Pulse Oximetry https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1561665094225-5NJ5TAHQ19V8D1IQL6DX/arduino_max30102_wiring.png Blog - Arduino Heart Rate Monitor Using MAX30102 and Pulse Oximetry https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1561662792387-BQ7V2B1L5ZNPM6UZCV2J/max_lib_screenshot.png Blog - Arduino Heart Rate Monitor Using MAX30102 and Pulse Oximetry https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1561663419982-VC7O5E205DXHF7FZJA49/max30102_serial_plotter.png Blog - Arduino Heart Rate Monitor Using MAX30102 and Pulse Oximetry https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1561741104166-WNWJ9NSIHFMD6DJX8TEZ/max30102_python_example.png Blog - Arduino Heart Rate Monitor Using MAX30102 and Pulse Oximetry https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1561751498547-JWC3UMAP7CKILRAR2PZB/ppg_literature_example.png Blog - Arduino Heart Rate Monitor Using MAX30102 and Pulse Oximetry From: Calibration-Free Pulse Oximetry Based on Two Wavelengths in the Infrared — A Preliminary Study: The PPG pulse. The transmitted light through the tissue decreases during systole and increases during diastole. IDand IS represent the maximal and minimal light transmission through the tissue. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1561753892157-8VTRKPTL8785OACPB2XW/max30102_python_example_diastole.png Blog - Arduino Heart Rate Monitor Using MAX30102 and Pulse Oximetry https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1561758281778-32RXFUHVJ2FBWCNN6IAH/max30102_fft_heart_rate.png Blog - Arduino Heart Rate Monitor Using MAX30102 and Pulse Oximetry https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1561858085642-AYNJ9JFY5E6V6KWSENRM/gradient_plot.png Blog - Arduino Heart Rate Monitor Using MAX30102 and Pulse Oximetry https://makersportal.com/blog/2019/5/27/diy-cat-laser-pointer-toy monthly 0.5 2020-04-29 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560708644589-CYDQY4S4KZ5RF36A8CRC/laser_blog_main.jpg Blog - DIY Laser Pointer Cat Toy https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560704993208-EZWY577YUG34OPVS56Z5/diy_laser_pointer_wiring.png Blog - DIY Laser Pointer Cat Toy - Wiring the Push Button to Control the Laser https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560705587606-Y5NX9OWJT08T7QVRNSKJ/laser_push_button_lipo.JPG Blog - DIY Laser Pointer Cat Toy https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560705445674-T9NIYR0HXXQ6P3MI5NGC/laser_push_button_on.JPG Blog - DIY Laser Pointer Cat Toy https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560708133266-2VJHVXEY3NPGYK6LM3S5/laser_conclusion.JPG Blog - DIY Laser Pointer Cat Toy https://makersportal.com/blog/2019/6/14/samd21-m0-mini-arduino-board monthly 0.5 2019-06-16 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560698102421-7DYDXQ7R4I734HM17XXA/samd21_arduino_board_main_blog.JPG Blog - SAMD21 M0 Mini Arduino Board https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560634636314-B4DBHEVCGAZFW6JJA8XI/samd21_mini_boards_manager.png Blog - SAMD21 M0 Mini Arduino Board 1. Go to Tools -> Board -> Boards Manager https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560634651217-XWRKA8A6P9XOCW2SUXA8/samd21_mini_board_download.png Blog - SAMD21 M0 Mini Arduino Board 2. Type “SAMD” into the Boards Manager input and install the latest board package entitled: “Arduino SAMD Boards (32-bits ARM Cortex-Mo+) by Arduino” https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560634687127-JZ3PCNB0KIBUBFE1VW5L/samd21_mini_board_select.png Blog - SAMD21 M0 Mini Arduino Board 3. Go to Tools-> Board -> Arduino/Genuino Zero (Native USB Port) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560634670196-RTF8ZKUZOEOX2I0RO55Y/samd21_mini_board_port.png Blog - SAMD21 M0 Mini Arduino Board 4. Ensure that the correct Port is selected, in this case: “Arduino/Genuino Zero (Native USB Port)” https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560646695997-SYIWUJJ89W15BM4B3Q66/samd21_mini_DAC_plot.png Blog - SAMD21 M0 Mini Arduino Board Example output of the SAMD21 analog-to-digital converter (ADC) reading values outputted by the digital-to-analog converter (DAC). The red represents the ADC and the blue represents the DAC. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560647986662-C2VJ35CM055XRWDIN5VS/samd21_m0_mini_zoom_chip_main.JPG Blog - SAMD21 M0 Mini Arduino Board https://makersportal.com/blog/2019/6/12/wemos-d1-mini-esp8266-arduino-wifi-board monthly 0.5 2020-04-29 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560457883314-7P0RE88VHL5Z4JRJN1UQ/d1_mini_with_breadboard.JPG Blog - WeMos D1 Mini ESP8266 Arduino WiFi Board https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560458641329-HAKE6MM2TYR6314FPQZU/d1_mini_side_profile.jpg Blog - WeMos D1 Mini ESP8266 Arduino WiFi Board https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560441584359-PRIJUUK2YYTGRPZW6IMU/esp_lib_package_mang.png Blog - WeMos D1 Mini ESP8266 Arduino WiFi Board 2. Add the following link to Additional Boards Managers URLs: https://arduino.esp8266.com/stable/package_esp8266com_index.json https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560441797365-KQ14B7VL4HX4OWJGZ0QD/esp_lib_download_version.png Blog - WeMos D1 Mini ESP8266 Arduino WiFi Board 5. Install package entitled “esp8266 by ESP8266 Community” but ensure that version 2.3.0 or EARLIER is downloaded. There can be issues with more recent versions (not sure if it’s a Raspberry Pi issue or what). https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560441826541-EP0Y1MR86VZ980VF0UA9/d1_mini_board_info.png Blog - WeMos D1 Mini ESP8266 Arduino WiFi Board 6. Go to: Tools -> Board -> “WeMos D1 R2 & mini” https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560458082082-1JYZGEIX7Y9UN8YEGPLC/image-asset.jpeg Blog - WeMos D1 Mini ESP8266 Arduino WiFi Board https://makersportal.com/blog/2019/6/9/arduino-optical-fingerprint-sensor-as608 monthly 0.5 2020-04-29 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560115730429-HZBI8GWJLUJ9BK246Z4W/fingerprint_scanner_arduino_banner.jpg Blog - Arduino Optical Fingerprint Sensor (AS608) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560106548889-VEOZOSZJUGEACDJ9TKY6/image-asset.jpeg Blog - Arduino Optical Fingerprint Sensor (AS608) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560112635895-DGZ3LAN9HLHOTHH3QNI4/fingerprint_wiring.png Blog - Arduino Optical Fingerprint Sensor (AS608) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560113220427-D6CNB5SQLMQC46FL2Z4I/fingerprint_lib.png Blog - Arduino Optical Fingerprint Sensor (AS608) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560114200121-QO30ADRDFWJZWW9JF884/fingerprint_serial_printout.png Blog - Arduino Optical Fingerprint Sensor (AS608) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1560117894509-ZX6LM3R2JC397ZI1RV10/fingerprint_as608_held.JPG Blog - Arduino Optical Fingerprint Sensor (AS608) https://makersportal.com/blog/2019/5/27/arduino-interrupts-with-pir-motion-detector monthly 0.5 2019-05-27 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1558985404002-NDOQ1XYLF8GTS4Q9RRZL/gif_1558985255.GIF Blog - Arduino Interrupts with PIR Motion Sensor https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1558990548013-XYKQEG6IY9E1RXP9R3A2/pir_interrupt_wiring.png Blog - Arduino Interrupts with PIR Motion Sensor https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1558990903688-3SEDTO1GAMJ656XSBA3P/mini_pir_pin_numbers.png Blog - Arduino Interrupts with PIR Motion Sensor - 1. VCC 2. OUT 3. GND https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1558997699232-R1V65BFRKTEM9NT9W7K5/IMG_9767.jpg Blog - Arduino Interrupts with PIR Motion Sensor - Without Low Power Library https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1558997698975-PVT2NM94E6FGG3163H7G/IMG_9774.JPG Blog - Arduino Interrupts with PIR Motion Sensor - With Low Power Library https://makersportal.com/blog/2019/5/12/smartphone-arduino-weighing-scale-with-load-cell-and-hx711 monthly 0.5 2021-05-18 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1558392880497-54PBO4IINSBY6XEOEXMJ/iot_scale_main_blog.JPG Blog - Smartphone Arduino Weighing Scale with Load Cell and HX711 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1558286678685-WDX24SZT4SBNB0W898SO/hx711_library.png Blog - Smartphone Arduino Weighing Scale with Load Cell and HX711 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1558293041230-HNLS7DXZUOLW5JT60CJ3/hx711_load_cell_wiring.png Blog - Smartphone Arduino Weighing Scale with Load Cell and HX711 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1558312411761-I5XOFWACRV8AXY580Y1S/load_cell_hx711_calibration_plot.png Blog - Smartphone Arduino Weighing Scale with Load Cell and HX711 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1558396862248-DJKLP8ITQ76FKCGPHX71/BLExAR_logo_rounded.png Blog - Smartphone Arduino Weighing Scale with Load Cell and HX711 BLExAR App for IoT Integration https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1558393525475-EX7K2Y1J75OKEAEOAA9A/hx711_load_cell_wiring_cc2541.png Blog - Smartphone Arduino Weighing Scale with Load Cell and HX711 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1558396825691-B1FS9CD6NQ73EXL531NP/BLExAR_logo_rounded.png Blog - Smartphone Arduino Weighing Scale with Load Cell and HX711 BLExAR Application on the App Store https://makersportal.com/blog/2019/5/12/arduino-weighing-scale-with-load-cell-and-hx711 monthly 0.5 2021-05-27 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1558392799247-ABNR8X2O2ZVDAS5LWP4K/scale_main_blog.JPG Blog - Arduino Weighing Scale with Load Cell and HX711 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1558286678685-WDX24SZT4SBNB0W898SO/hx711_library.png Blog - Arduino Weighing Scale with Load Cell and HX711 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1558293041230-HNLS7DXZUOLW5JT60CJ3/hx711_load_cell_wiring.png Blog - Arduino Weighing Scale with Load Cell and HX711 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1558312411761-I5XOFWACRV8AXY580Y1S/load_cell_hx711_calibration_plot.png Blog - Arduino Weighing Scale with Load Cell and HX711 https://makersportal.com/blog/2019/5/6/multiple-object-detection-with-python-and-raspberry-pi monthly 0.5 2021-05-19 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1557533413665-YM4P5VIHOEYTMYI5P3N2/rectangles_main_blog_image_cropped.png Blog - Multiple Object Detection with Python and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1557436421261-HI5HABPYMUEONYT7ORWB/object_number_vs_original.png Blog - Multiple Object Detection with Python and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1557446438729-4UEZ6082AX722UZIPD28/nearest_neighbor_comp_zoom.png Blog - Multiple Object Detection with Python and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1557522321611-VY7BP3KAA93TS9WZLOP6/covariance_comparison.png Blog - Multiple Object Detection with Python and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1557523409009-N5TLYQNDKMAB7DT7PT3H/rotated_with_covariance.png Blog - Multiple Object Detection with Python and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1557526442381-3UVLJEU1Q0T0GH3YQVNB/image-asset.png Blog - Multiple Object Detection with Python and Raspberry Pi - Rectangle Example with Rotation https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1557529837005-GZ87JTB27M41E0VJCJTV/rectangles_over_real_image.png Blog - Multiple Object Detection with Python and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1557533341464-ZFTV8NW6KRDFBWHRK7YE/rectangles_main_blog_image_cropped.png Blog - Multiple Object Detection with Python and Raspberry Pi https://makersportal.com/blog/2019/4/23/image-processing-with-raspberry-pi-and-python-part-ii-spatial-statistics-and-correlations monthly 0.5 2021-03-02 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1557181715243-SANMGET4BFSZFMFBK4SN/dbscan_main_blog.png Blog - Image Processing Object Detection with Raspberry Pi and Python https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1557167168116-XOHR89GEUGWW7JF5MPKH/edge_plots+%281%29.png Blog - Image Processing Object Detection with Raspberry Pi and Python https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1557166469552-V6Z7XJJAUIAC4SXALZFP/raw_image.png Blog - Image Processing Object Detection with Raspberry Pi and Python - Original Image Analyzed Above https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1557172139594-KM8JK63ZHM6N1P0S69Q7/image-asset.png Blog - Image Processing Object Detection with Raspberry Pi and Python https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1557172363712-6T1JHOL40P2VQM38U9KD/image-asset.png Blog - Image Processing Object Detection with Raspberry Pi and Python https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1557178986421-JZDAKLEXAS26E5VW3NJI/dbscan_demo.png Blog - Image Processing Object Detection with Raspberry Pi and Python https://makersportal.com/blog/2019/4/21/image-processing-using-raspberry-pi-and-python monthly 0.5 2021-03-02 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1555879454388-LLTK0KY8WG49VPL5UIXB/Raspberry+Pi+and+Picamera Blog - Image Processing with Raspberry Pi and Python https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1555879221246-DNAD6RZATQO4LZGH4W18/picamera_wiring_smaller.jpg Blog - Image Processing with Raspberry Pi and Python - Proper Wiring of Picamera to RPi Zero W https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1555872879019-TKKGBUVPSEO5VBDTI8SQ/configuration_cropped.png Blog - Image Processing with Raspberry Pi and Python https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1555873378117-51PNZU6ONPGYL2JWY51R/config_enable_red.png Blog - Image Processing with Raspberry Pi and Python https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1555900513182-PZ0JC9GSKT3P45CTIRNU/test2.jpg Blog - Image Processing with Raspberry Pi and Python - Raw Output (cropped) From The Raspberry Pi Camera https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1555973387190-R6UJYK1Y7M3AG1MMZB4P/imshow_test.png Blog - Image Processing with Raspberry Pi and Python https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1555973422440-PW8S7TQD4AQTWFJF6JDQ/component_plot.png Blog - Image Processing with Raspberry Pi and Python https://makersportal.com/blog/2019/4/10/arduino-vl53l1x-time-of-flight-distance-measurement monthly 0.5 2021-07-30 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1555095515793-SZFX6AJ3D85S3H3PNFSJ/vl53l1x_image_cropped_banner.jpg Blog - Arduino + VL53L1X Time of Flight Distance Measurement https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1554912773219-PO8A21QZV0CQ3NWH7UYL/tof_pulse_width.png Blog - Arduino + VL53L1X Time of Flight Distance Measurement https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1555014176945-WVIE7IOZMFM9ESQISIKN/vl53l1x_arduino_wiring.png Blog - Arduino + VL53L1X Time of Flight Distance Measurement https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1555014816946-5XW1JM3H9HKZRFO0MDVC/experiment_setup.png Blog - Arduino + VL53L1X Time of Flight Distance Measurement https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1554925845064-G2UW6BMKRGK2WXZ3BTIN/force_balance.png Blog - Arduino + VL53L1X Time of Flight Distance Measurement - Force Balance on Falling Ping Pong Ball in a Tube https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1555022091328-YP2NANWAQUIUSEA6L1VN/raw_ball_drop.png Blog - Arduino + VL53L1X Time of Flight Distance Measurement - Raw Ball Drop Data Output in Python The points shown here should be used to identify the start and finish points for the ball drop. The short jump around 60 is the ball hitting the ground and bouncing back toward the sensor. We do not want to include this in our calculation, which is why these start/end points are essential for processing. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1555023892105-JX9J51OEUCNRBSYWIMS9/ping_pong_drop_results.png Blog - Arduino + VL53L1X Time of Flight Distance Measurement https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1555093095888-YLTA072821TH05Y0S3Z0/ping_pong_verification_multiple.png Blog - Arduino + VL53L1X Time of Flight Distance Measurement https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1555096527950-3RAZYZEVF9MPGUY8UK9F/vl53l1x_image_cropped_inblog.jpg Blog - Arduino + VL53L1X Time of Flight Distance Measurement https://makersportal.com/blog/2019/3/24/arduino-sd-card-module-data-logger monthly 0.5 2022-11-19 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1553472481356-61NOX7072G9MH8L3HDRT/sd_card_module_photo_intro.png Blog - Arduino SD Card Module Data Logger https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1553453317865-K33AVZWUVBQZ3859MLYJ/BME280+Pressure+Sensor Blog - Arduino SD Card Module Data Logger https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1553453413643-GUS27LKXQCUUO7PE4ZBR/bme280_arduino_sd_card.png Blog - Arduino SD Card Module Data Logger - Wiring the Arduino to Battery, SD Card Module, and BME280 for Data Logging https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1553457398624-PL5MZZ5WOWO6CD4E9IQY/arduino_sd_card_testing.png Blog - Arduino SD Card Module Data Logger - Arduino SD Printout for Test Script https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1553464211763-6GHQGITMRDTC9AJ5JF86/bme280_side_photo.jpg Blog - Arduino SD Card Module Data Logger https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1553465114685-EPU0CYAEBND5Q79ZEPGQ/bme280_sd_card_outside.JPG Blog - Arduino SD Card Module Data Logger - Arduino Datalogging Setup with LiPo Battery and SD Module https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1553469931641-Y6O3JL93RMREW4FURNEJ/sample_data_table.png Blog - Arduino SD Card Module Data Logger https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1553470237138-I9F965SHL2HEWK4ANG02/bme280_blog_demo.png Blog - Arduino SD Card Module Data Logger https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1553473304491-072GFABACN2ISILTOFA3/sd_card_module_photo.jpg Blog - Arduino SD Card Module Data Logger https://makersportal.com/blog/2019/3/18/importance-of-silkscreens-for-pcb-identification-and-labeling monthly 0.5 2019-03-18 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1552917413469-GFX3HXVHZ6R7Z8166ANZ/image_3.jpg Blog - Importance of Silkscreens for PCB Identification and Labeling https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1552917783732-BKANUSMQC90EYRTXRJ1M/image_2.jpg Blog - Importance of Silkscreens for PCB Identification and Labeling https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1552917892428-7SG326CCH7SQY2FD274Q/image_1.jpg Blog - Importance of Silkscreens for PCB Identification and Labeling https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1552917966517-243QG8E07OVNQ5QS0U4X/pcbgogo_quote.jpg Blog - Importance of Silkscreens for PCB Identification and Labeling https://makersportal.com/blog/2019/3/12/testing-the-arduino-ch340-board monthly 0.5 2019-05-14 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1552605900134-W4509R2U0MHU7MN2AE18/upload_times.png Blog - Arduino Uno R3 vs CH340 - Upload Time Comparison for CH340 and Rev3 Uno Boards https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1552609433689-5E5JP1P4ZE28NXZFQE1Z/arduino-uno-rev3-vs-uno-ch340-blog.jpg Blog - Arduino Uno R3 vs CH340 https://makersportal.com/blog/2019/3/12/controlling-leds-with-multiplexer-and-arduino monthly 0.5 2019-03-14 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1552501794318-UX2TZCOP8QVZKBDOKE0N/pcbgogo_main_purchase.png Blog - Controlling LEDs with A Multiplexer and Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1552501811887-3C6LKDRJ87UBM3OS9DJK/pcbgogo_logo.png Blog - Controlling LEDs with A Multiplexer and Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1552485762104-8U0XUHW5RADSNV774N6B/cd4051B_multiplexer_circuit.png Blog - Controlling LEDs with A Multiplexer and Arduino CD4051B Multiplexer used for controlling up to 8 LEDs https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1552493103916-ZMT5E4PXAK7XIKRYVG8V/arduino_mux_led.png Blog - Controlling LEDs with A Multiplexer and Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1552502608644-VULFF4QLP8YEZL896TDW/Arduino+Multiplexer+with+LEDs Blog - Controlling LEDs with A Multiplexer and Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1552501368940-A0PX8JZ8PQ397S2BGNP0/pcbgogo_ad_overlay_main.jpg Blog - Controlling LEDs with A Multiplexer and Arduino - Special thanks to PCBGOGO for sponsoring this project. PCBGOGO is a quick turn PCB fabrication and PCB assembly manufacturer https://makersportal.com/blog/2019/2/26/raspberry-pi-vibration-analysis-experiment-with-free-free-bar monthly 0.5 2021-03-04 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1551562497985-LMUKA4VH9D5YGGJ9WJ39/pcbgogo_main_purchase.png Blog - Raspberry Pi Vibration Analysis Experiment With a Free-Free Bar https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1551562576940-35THAD1VDGCHIKU7A9LC/pcbgogo_logo.png Blog - Raspberry Pi Vibration Analysis Experiment With a Free-Free Bar https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1551277218227-RY3ER9H1H87J8CNEXBJA/beam_differential_schematic.png Blog - Raspberry Pi Vibration Analysis Experiment With a Free-Free Bar https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1551401510258-R7E3EJ7HAJ41JPL1G5EW/zero_locs_finder.png Blog - Raspberry Pi Vibration Analysis Experiment With a Free-Free Bar https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1551554103809-H7GZ6C6D4MXU1NNAW1AN/1st+Mode+of+Free-Free+Bar Blog - Raspberry Pi Vibration Analysis Experiment With a Free-Free Bar https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1551464036224-V1Z8FM863LG93LY7FOBC/piezo_wiring_digram_smaller.png Blog - Raspberry Pi Vibration Analysis Experiment With a Free-Free Bar - Wiring for Vibration Analysis Using Raspberry Pi and The Behringer UCA202 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1551464127753-NZ76ZUKEC0RXOFMVNGEF/piezo_vibration_of_bar_smaller.jpeg Blog - Raspberry Pi Vibration Analysis Experiment With a Free-Free Bar Piezo sensor fixed atop the cylindrical bar https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1551477073203-ZO58SE4S71I8RF0XVY52/bar_mode_400Hz_support_locs.gif Blog - Raspberry Pi Vibration Analysis Experiment With a Free-Free Bar https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1551562649935-YLVSNMPFI3BL7L4X0D3H/pcbgogo_circuit_board.jpg Blog - Raspberry Pi Vibration Analysis Experiment With a Free-Free Bar - Project Sponsor: PCBGOGO.COM https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1551546470312-NMVC36SBYDSDNB5PYMYD/bar_natural_resonance_FFT_146Hz.png Blog - Raspberry Pi Vibration Analysis Experiment With a Free-Free Bar - FFT for support locations relating to 146 Hz https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1551546470385-1MERNEYS8Y6LQOPMAV9Y/bar_natural_resonance_FFT_402Hz.png Blog - Raspberry Pi Vibration Analysis Experiment With a Free-Free Bar - FFT for support locations relating to 400 Hz https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1551546471022-DJVKE9HW1KKL5Y97W0TH/bar_natural_resonance_FFT_787Hz.png Blog - Raspberry Pi Vibration Analysis Experiment With a Free-Free Bar - FFT for support locations relating to 787 Hz https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1551546471095-WDUE23UACN8NINGZWOA6/bar_natural_resonance_FFT_1299Hz.png Blog - Raspberry Pi Vibration Analysis Experiment With a Free-Free Bar - FFT for support locations relating to 1300 Hz https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1551559387846-M5L9NG0OCTNXOFMQGPLH/Selecting+elastic+moduli+to+better+fit+approximation+of+natural+frequencies+for+free-free+bar Blog - Raspberry Pi Vibration Analysis Experiment With a Free-Free Bar - Iterating Over Nearby Elastic Moduli to Find the Best Frequency Fit Optimal E = 204.2 GPa https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1551562328122-IODHXMEATM6EUY9G070O/pcbgogo_ad_overlay_main.jpg Blog - Raspberry Pi Vibration Analysis Experiment With a Free-Free Bar - Blog Sponsor: PCBGOGO.COM PCBGOGO is a quick turn PCB fabrication and PCB assembly manufacturer https://makersportal.com/blog/2019/2/20/loudspeaker-analysis-and-experiments-part-ii monthly 0.5 2021-03-04 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1550780847162-TAP0W2ZTEI72CA0IOEXI/mass_loading.png Blog - Loudspeaker Analysis and Experiments: Part II https://makersportal.com/blog/2019/1/21/loudspeaker-analysis-and-experiments-part-i monthly 0.5 2021-08-24 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1629834823858-8JVMRW1EO259Z4LIV0DB/speaker_side_purple.JPG Blog - Loudspeaker Analysis and Experiments: Part I - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1550692496284-9XXXE7CG5F733FRRXYAJ/loudspeaker_drawing_transparent.png Blog - Loudspeaker Analysis and Experiments: Part I 1. Magnet, 2. Voice Coil (Inductive Coil), 3. Suspension, 4. Diaphragm https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1550680325415-TVUCCM07QGI9F43PNS0H/behringer_uca202_usb_input_transparent.png Blog - Loudspeaker Analysis and Experiments: Part I Behringer U-Control UCA202 Ultra-Low Latency 2 In/2 Out USB Audio Interface with Digital Output https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1549817713483-XMR7O7Y7KEBCH1TDFCWW/boss_audio_speaker_driver.jpg Blog - Loudspeaker Analysis and Experiments: Part I - Boss Audio Full Range 80W Driver https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1550684887623-WENSHHQKAL0SCM8FGPNH/wiring_diagram_impedance_smaller.png Blog - Loudspeaker Analysis and Experiments: Part I https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1550534820542-GI4UJNI1Y4407VSLVF6S/Z_sweep_around_resonance_93Hz_8Ohms.png Blog - Loudspeaker Analysis and Experiments: Part I - Impedance Plot Identifying Resonance Region https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1550678322336-VQ326EPK2FCFCD5I8973/Z_sweep_with_phase.png Blog - Loudspeaker Analysis and Experiments: Part I https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1550690818674-LF4U9JCNUG9V5G04QY1G/Z_phi_manual_resonance_clipped.png Blog - Loudspeaker Analysis and Experiments: Part I - Plot of impedance and phase around resonance This method is done by hand, not using an FFT. We can still see similar behavior using this method, indicating that the FFT method is accurate (and time-saving). https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1550696151682-EL8G35SUP1IEL7MG5FUC/Louspeaker Blog - Loudspeaker Analysis and Experiments: Part I https://makersportal.com/blog/2019/02/06/arduino-pitot-tube-wind-speed-theory-and-experiment monthly 0.5 2022-11-30 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1549661052601-YPS66IMY0U11VW9TUYPK/pitot_setup.JPG Blog - Arduino Pitot Tube Wind Speed and Airspeed Indicator - Theory and Experiments Pitot Tube in the foreground and the velocity plot in the background https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1549563382013-JSJWAPUQPE2MVO79LDK7/pitot_tube_drawing_transparent_cleaner.png Blog - Arduino Pitot Tube Wind Speed and Airspeed Indicator - Theory and Experiments https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1549565434223-TTB9OMIQ3FMP2JLZ0RX2/Arduino+MPXV7002DP+Wiring+for+Differential+Pressure+Measurement Blog - Arduino Pitot Tube Wind Speed and Airspeed Indicator - Theory and Experiments - MPXV7002DP Wiring for Differential Pressure Measurement https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1549568208091-NCB830XKKYXD6GJ0RIJT/mpxv7002dp+voltage+pressure+plot.png Blog - Arduino Pitot Tube Wind Speed and Airspeed Indicator - Theory and Experiments Voltage vs. Pressure relationship for representing the pressure differential as a function of voltage. This plot will be essential for relating the voltage read by the Arduino analog pin back to the pressure differential between the stagnation pressure and static pressure. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1549639252923-HK3FX5K9DDO4HIUXWJTR/mpxv7002dp_arduino_with_pitot_tube.png Blog - Arduino Pitot Tube Wind Speed and Airspeed Indicator - Theory and Experiments Wiring the pitot tube to the MPXV7002DP sensor, which is wired to the Arduino uno board. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1549663563289-ETP0UUHU5MIDXDOV746P/pitot_tube_experiment_setup.JPG Blog - Arduino Pitot Tube Wind Speed and Airspeed Indicator - Theory and Experiments - Full Arduino and pitot tube setup with acrylic tubing and fan https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1549663582664-EXLNO2GV7HIYN7OX11TQ/fan_and_tube.JPG Blog - Arduino Pitot Tube Wind Speed and Airspeed Indicator - Theory and Experiments - 5V Blower fan connected to acrylic tube https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1549663604732-LCTR3CFLCNBSGDF6PXQ8/pitot_tube_up_close.JPG Blog - Arduino Pitot Tube Wind Speed and Airspeed Indicator - Theory and Experiments - Zoomed-in view of pitot tube inside blower https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1549663624752-8OB99JU7G8HP1VQP99U4/mpxv_tube_connection.JPG Blog - Arduino Pitot Tube Wind Speed and Airspeed Indicator - Theory and Experiments - MPXV7002DP connected to pressure tubes https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1549663639991-TMRKOVEXGJ1HF2JRP0B2/pitot_tube_and_tubing.JPG Blog - Arduino Pitot Tube Wind Speed and Airspeed Indicator - Theory and Experiments - Pitot tube inside acrylic tube with flow https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1549660645137-JALDJ4GE8M5FYJUN9R5F/Tip+of+pitot+tube Blog - Arduino Pitot Tube Wind Speed and Airspeed Indicator - Theory and Experiments Tip of pitot tube used in this experiment https://makersportal.com/blog/2019/1/15/arduino-thermistor-theory-calibration-and-experiment monthly 0.5 2022-11-16 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1547578384164-A7FYXYW866D55Z5RNLM7/pcbgogo_main_purchase.png Blog - Arduino Thermistor Theory, Calibration, and Experiment https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1547578501376-LUKPYWIELH3OQEDHMH38/pcbgogo_logo.png Blog - Arduino Thermistor Theory, Calibration, and Experiment https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1547319191135-ZHFW4DTTRULQZB8YLE89/thermistor_zoom_clear.jpg Blog - Arduino Thermistor Theory, Calibration, and Experiment Zoomed-in photo of an NTC 3950 100k Thermistor. The glass bead design can be seen at the end of the exposed dual wire. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1547585185220-R4POA9OSMYNYENA62RQL/pcbgogo_ad_overlay_main.jpg Blog - Arduino Thermistor Theory, Calibration, and Experiment https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1547333573847-6UQM4WDT3K2M5LQPNS29/Thermistor+NTC+3950+Factory+Calibration+Fit+Equation Blog - Arduino Thermistor Theory, Calibration, and Experiment Figure 1: Factory calibration for temperature and resistance relationship for thermistor readings. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1547340428124-HMUUDTXUU0VL81I1SACU/voltage_divider.png Blog - Arduino Thermistor Theory, Calibration, and Experiment Figure 2: Voltage divider circuit for measuring voltage instead of resistance from the thermistor. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1547414420046-0JA101U4EWDBIWEMZAJA/thermistor_resistor_selection-3.png Blog - Arduino Thermistor Theory, Calibration, and Experiment Figure 3: Voltage divider resistance response curves. The response of the thermistor voltage changes based on the voltage divider resistor chosen. Be sure to select a resistor near the resistor above for your specific desired temperature range. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1547521690073-HTW28PX2UML8WJ2QYUWD/thermistor_wiring_no_dht22_fire_source.png Blog - Arduino Thermistor Theory, Calibration, and Experiment Figure 4: Arduino + Thermistor voltage divider circuit. Also take note of the external reference at 3.3V - we choose 3.3V because the voltage divider circuit will likely never reach the higher voltages due to the operating range we are interested in. The 3.3V choice also results in lower noise for the ADC. I have also attached a 10uF capacitor across the 3.3V and GND pins to lower some of the noise as well. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1547523300265-0UVEJ96ENAAY8PHRD3CJ/capacitor_thermistor_smoothing.png Blog - Arduino Thermistor Theory, Calibration, and Experiment Figure 5: Capacitor smoothing effect on ADC for thermistor reading. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1547523902279-JR8P1P2OWEBQAOLFZT0J/thermistor_wiring.png Blog - Arduino Thermistor Theory, Calibration, and Experiment Figure 6: Wiring for comparison between DHT22 sensor and thermistor. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1547569130815-UH8EK78OMSDHIDZATD2A/dht22_thermistor_screenshot_difference.png Blog - Arduino Thermistor Theory, Calibration, and Experiment - Difference Between DHT22 and NTC Thermistor Temperature Readings https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1547569460939-L7XU4W1A5KIJZ8QXFRBV/DHT22+and+Thermistor+Dfiference+Plot+for+a+Hot+Gust Blog - Arduino Thermistor Theory, Calibration, and Experiment - Difference Between DHT22 and Thermistor During a Hot Gust https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1547570716690-IBAOYKT1B6D99ZGRK2FU/DHT22+and+Thermistor+Thermal+Response+Comparison Blog - Arduino Thermistor Theory, Calibration, and Experiment - Thermistor and DHT22 Thermal Responses https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1547584440880-3UZCEPYRB492JBHZLHGY/Thermistor+Next+to+DHT22+for+Comparison+in+Arduino+Project Blog - Arduino Thermistor Theory, Calibration, and Experiment Figure 7: Glass beaded thermistor next to a DHT22 temperature sensor. https://makersportal.com/blog/2019/1/5/nodemcu-arduino-wifi-server-pwm-led-blink monthly 0.5 2019-11-08 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1546812983049-7NXSW1LE5FH53W69YQLH/NodeMCU+Setup+with+Webpage+Control+on+iPhone Blog - NodeMCU Tutorial Series Part II: NodeMCU Server Control Over Local Area Network NodeMCU Setup with Webpage Control on iPhone. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1546813506340-2ZYXI9WVH5W95LM9Q0XM/Seeed+Studio+Electromagnet Blog - NodeMCU Tutorial Series Part II: NodeMCU Server Control Over Local Area Network Seeed Studio Electromagnet will serve as the PWM-controlled component from the WiFi server. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1546274869846-NRB96DDIOWXI27Y4IMUZ/NodeMCU_version_1_pinout.png Blog - NodeMCU Tutorial Series Part II: NodeMCU Server Control Over Local Area Network NodeMCU v1.0 Board Pinout [Image courtesy of: https://www.teachmemicro.com/nodemcu-pinout/] https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1546744641828-1JJ4B6UUPN5VM00T9BHY/NodeMCU_control_wiring_diagram.png Blog - NodeMCU Tutorial Series Part II: NodeMCU Server Control Over Local Area Network - Wiring for NodeMCU Server Control https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1546805963109-0JLHY3HD26IIJ3LXSDVU/NodeMCU+Arduino+Server+PWM+and+LED+Switch+with+AJAX Blog - NodeMCU Tutorial Series Part II: NodeMCU Server Control Over Local Area Network https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1546811045795-O1JNHGVZVZ3XLJ4A14AV/IMG_7813.jpg Blog - NodeMCU Tutorial Series Part II: NodeMCU Server Control Over Local Area Network Setup showing electromagnet, NodeMCU, and LED used in this tutorial for server-side control of the NodeMCU Arduino WiFi board. https://makersportal.com/blog/2019/1/1/nodemcu-arduino-board monthly 0.5 2019-11-08 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1573230009361-8KRM4G2CWI9FS4AQPL2J/nodemcu_front_side.JPG Blog - NodeMCU Tutorial Series Part I: Arduino IDE and Blinking an LED https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1546274869846-NRB96DDIOWXI27Y4IMUZ/NodeMCU_version_1_pinout.png Blog - NodeMCU Tutorial Series Part I: Arduino IDE and Blinking an LED Image courtesy of: https://www.teachmemicro.com/nodemcu-pinout/ https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1546278629125-JRY893ATE0A8VFVXYXWV/NodeMCU+LED+Arduino+Wiring Blog - NodeMCU Tutorial Series Part I: Arduino IDE and Blinking an LED - Wiring NodeMCU + LED to mimic an Arduino Board https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1546216080542-D4QYIR2YXQQNMF5A5F2B/Arduino_ide_preferences.png Blog - NodeMCU Tutorial Series Part I: Arduino IDE and Blinking an LED - Step 1: Go to Preferences https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1546279795408-F8B8CRK0KRDRA7CFOKOX/Arduino+IDE+NodeMCU+Preferences+URL Blog - NodeMCU Tutorial Series Part I: Arduino IDE and Blinking an LED - Step 2: Insert the ESP8266 package into the Additional Boards Manager URL window http://arduino.esp8266.com/stable/package_esp8266com_index.json https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1546216115667-IW779XT12DZX5Q5QUHPP/esp8266_boards_manager_arduino_IDE.png Blog - NodeMCU Tutorial Series Part I: Arduino IDE and Blinking an LED - Step 3: Go to Tools-> Board -> Boards Manager… and find the new esp8266 link and install it https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1546216133029-QJMB7P88CILU4GJTCKSZ/uno_to_NodeMCU_board_selection.png Blog - NodeMCU Tutorial Series Part I: Arduino IDE and Blinking an LED - Step 4: Verify that the NodeMCU and ESP8266 boards are listed https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1546216146948-67AV7NMI3RII4PGW03UZ/nodemcu_board_parameters.png Blog - NodeMCU Tutorial Series Part I: Arduino IDE and Blinking an LED - Step 5: Ensure that the parameters match the selections shown to the left here https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1573230090123-YZ9393TUUNRD9QIBDZ24/nodemcu_side_zoom.JPG Blog - NodeMCU Tutorial Series Part I: Arduino IDE and Blinking an LED https://makersportal.com/blog/2018/12/13/a-guide-to-metal-core-pcbs-by-pcbgogo monthly 0.5 2018-12-14 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1544719970567-4N53TLDJ1TXTSWWEALAR/parts_pcbgogo.png Blog - A Guide to Metal Core PCBs by PCBGOGO https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1544717022495-12LY8AWQBPIBGE3V0MG1/met_pcbs_LED_strip.jpg Blog - A Guide to Metal Core PCBs by PCBGOGO Reference: https://www.manncorp.com/pick-and-place-led-mc-ledv4-12.html https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1544717493482-OAZ14MVFBGEF2ZAL9PZ8/what_are_mcpcbs.jpg Blog - A Guide to Metal Core PCBs by PCBGOGO Reference: http://www.custompcbboards.com/provide-43921-metal-core-pcb.htm https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1544719149918-FXLG3SADG9EWSG3185TG/pcbgogo_design_page.png Blog - A Guide to Metal Core PCBs by PCBGOGO https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1544717867584-9MOJ50ZVB59AJFC49PMI/mcpcb_vs_epoxy.jpg Blog - A Guide to Metal Core PCBs by PCBGOGO Reference: https://www.powerelectronicsnews.com/problems-solutions/power-supply-design-tutorial https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1544717999787-8OHQ6L4HDKE1ISEPYJZE/image-asset.jpeg Blog - A Guide to Metal Core PCBs by PCBGOGO Reference: http://www.circuit-technology.co.uk/images/user/16_crosssection_alcorepcb.png https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1544737215954-3U6TIAGW2M29O3ACZL82/manufacturing_mcpcbs.jpg Blog - A Guide to Metal Core PCBs by PCBGOGO Reference: https://heros-electronics.com/Aluminum-PCB/142.html https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1544718235844-990XHJH7XH1A6D6CDA1N/fr4pcb_vs_mcpcb.png Blog - A Guide to Metal Core PCBs by PCBGOGO Reference: https://4mcpcb.com/metal-core-pcb-vs-fr4-four-parts-detail-comare-report.html https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1544718352565-CZI69W19EP5N1Y01VMB4/pcbgogo_ad.jpg Blog - A Guide to Metal Core PCBs by PCBGOGO https://makersportal.com/blog/2018/11/25/goes-r-satellite-latitude-and-longitude-grid-projection-algorithm monthly 0.5 2018-11-27 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1543176091896-DPZ4EUMDGCJQ2JZRQX2Q/GOES-R+Satellite+Badge.png Blog - GOES-R Satellite Latitude and Longitude Grid Projection Algorithm https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1543175629576-RBF9X9T459OPF1NF993V/satellite_earth_lat_lon_grid_geometry.png Blog - GOES-R Satellite Latitude and Longitude Grid Projection Algorithm Based on the GOES-R product definition source (here, Page 20). https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1543179307299-4CKI9JRKPSMOV98G6O3X/goes_r_radian_projection_angle.png Blog - GOES-R Satellite Latitude and Longitude Grid Projection Algorithm GOES-R exaggeration for visualizing scan angles in relation to the earth https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1543180940806-VX4ETXWV2R2D6M2M3IY9/goes_r_grid_earth_background.png Blog - GOES-R Satellite Latitude and Longitude Grid Projection Algorithm https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1543336518667-PHATHWB9K7MWJC68VL4T/Screen+Shot+2018-11-25+at+5.49.31+PM.png Blog - GOES-R Satellite Latitude and Longitude Grid Projection Algorithm https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1543186645170-JS83OL8Y9HVQ0VT51WHE/Screen+Shot+2018-11-25+at+5.56.50+PM.png Blog - GOES-R Satellite Latitude and Longitude Grid Projection Algorithm Coordinates for nearest pixel to New York City aboard the GOES-R satellite https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1543260944205-MS7J5O1OVLW96M6XILK9/GOES-R+ABI+L1b+Radiance+Plot+Example.png Blog - GOES-R Satellite Latitude and Longitude Grid Projection Algorithm https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1543262254233-HUICD0P3V5VMY4BW0VV5/Land+Surface+Temperature+from+GOES-R+Satellite+Example.png Blog - GOES-R Satellite Latitude and Longitude Grid Projection Algorithm https://makersportal.com/blog/2018/11/11/internet-of-things-bluetooth-and-wifi-mesh-network-with-particle-argon-and-xenon-boards monthly 0.5 2022-11-14 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1541959455082-LR2ESRX9ROMX4AQU6OCQ/particle_logo.png Blog - Internet of Things WiFi and Bluetooth Mesh Network with Particle Argon and Xenon Boards https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1541959876087-R142KBAUJHS0RN55KIZL/argon_angle.jpg Blog - Internet of Things WiFi and Bluetooth Mesh Network with Particle Argon and Xenon Boards - Argon Gateway Board (WiFi + BLE) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1541959876790-EC8VFHL46JBP4SM7D3JU/xenon_angle.jpg Blog - Internet of Things WiFi and Bluetooth Mesh Network with Particle Argon and Xenon Boards - Xenon Peripheral Node (BLE) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1541959877389-A5428Y425TYMC28N88KN/grove_starter_kit.jpg Blog - Internet of Things WiFi and Bluetooth Mesh Network with Particle Argon and Xenon Boards - Grove Sensor Kit (with HC-SR04 Ultrasonic Sensor) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1541960223065-S4Q4D1F2PSCQ6M8WD9GR/xenon-breadboard.jpg Blog - Internet of Things WiFi and Bluetooth Mesh Network with Particle Argon and Xenon Boards - Xenon Kit with LED and Photodiode https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1541964606936-HGUIF1TW26ELHOZEGPCY/Particle+Mesh+Internet+of+Things+Process+Flow.png Blog - Internet of Things WiFi and Bluetooth Mesh Network with Particle Argon and Xenon Boards https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1541956900437-G1G1DJ3M5U8IDWU0OG2E/Particle+Argon+board+HC-SR04+wiring+for+IoT+mesh+node.png Blog - Internet of Things WiFi and Bluetooth Mesh Network with Particle Argon and Xenon Boards https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1541958262268-FGZWVRGQECSUS1BQ1H3M/Xenon+Particle+board+LED+wiring+IoT+node.png Blog - Internet of Things WiFi and Bluetooth Mesh Network with Particle Argon and Xenon Boards https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1541967437097-NC0XSNFV1OHRKHSDD7EJ/testing_hcsr04_breach_events.png Blog - Internet of Things WiFi and Bluetooth Mesh Network with Particle Argon and Xenon Boards Event printout from this tutorial. The user should be seeing similar results if the wiring, programming, and setup are done correctly. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1541968119387-QNULDTJ91JQMPHNCTE77/argon_flash_anon.png Blog - Internet of Things WiFi and Bluetooth Mesh Network with Particle Argon and Xenon Boards https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1541968379552-YD96E57A68NVJFUD1729/xenon_flash_anon.png Blog - Internet of Things WiFi and Bluetooth Mesh Network with Particle Argon and Xenon Boards https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1541968743830-C029MQPLAMO9L1AT6TOX/IMG_6360.JPG Blog - Internet of Things WiFi and Bluetooth Mesh Network with Particle Argon and Xenon Boards https://makersportal.com/blog/2018/10/31/sending-arduino-data-to-ios-iphoneipad-using-blexar-bluetooth-app monthly 0.5 2018-11-27 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1543280994095-0ESAJ7UDTRKIPDAF07WP/iPhone+X+Mockup+BLExAR+App+Image+Data+Analysis.png Blog - iPhone Datalogger with Arduino Using The iOS Bluetooth App BLExAR - blexar data acquisition https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1541171624824-86BII1GQ7OB9SL0NUS63/BLExAR_logo_rounded.png Blog - iPhone Datalogger with Arduino Using The iOS Bluetooth App BLExAR Figure 1: BLExAR app for iOS and Arduino Bluetooth interaction https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1543281347847-FODNWSU4QZHO40EFD1PH/hm_10_dht_22_image.png Blog - iPhone Datalogger with Arduino Using The iOS Bluetooth App BLExAR Figure 2: DHT22 Temperature Sensor and HM-10 Bluetooth Module for https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1543281127326-98R4G2VR9Y96Y25QASBD/HM-10+DHT22+BLExAR+App+Wiring+Diagram.png Blog - iPhone Datalogger with Arduino Using The iOS Bluetooth App BLExAR Figure 3: Wiring diagram for Arduino Bluetooth communication between an iOS BLExAR device and the Arduino DHT-22 temperature sensor. Notice the 10k resistor acting as a pull-up resistor. This configuration will allow the Arduino to send a temperature (or humidity) data point roughly every 2 seconds. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1541173224619-NHJUQ1D1RN1PZAUOHCMZ/dht_library_screenshot.png Blog - iPhone Datalogger with Arduino Using The iOS Bluetooth App BLExAR - DHT Sensor Library from Adafruit https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1541530005029-892GKJ8PZ7SK1NLDQZJZ/iphonex_mockup_scan.png Blog - iPhone Datalogger with Arduino Using The iOS Bluetooth App BLExAR Figure 4: BLExAR Bluetooth scan with discoverable devices. In this particular case, a BLExAR device has been discovered and needs to be selected in order to connect and continue with the tutorial. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1541529721578-GU20HMUKISDR5ER0WP3W/blexar_data_mockup_hand.png Blog - iPhone Datalogger with Arduino Using The iOS Bluetooth App BLExAR Figure 5: BLExAR app showing the data window and demonstrating the visualization of real-time data as it is logged into the iOS device via Bluetooth communication. This is a real temperature readout from the DHT22 temperature sensor and the BLExAR app. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1541171549694-P80CNTNOQAFP6FN0SUKQ/blexar_banner_blue_with_dot.png Blog - iPhone Datalogger with Arduino Using The iOS Bluetooth App BLExAR https://makersportal.com/blog/2018/10/30/4-pin-rgb-led-control-using-ios-blexar-app-hm-10-bluetooth-module-and-arduino monthly 0.5 2019-01-11 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1540941859454-GTAUXHOTYS2W1246Y5NY/BLExAR_logo_rounded.png Blog - 4-Pin RGB LED Control Using iOS BLExAR App, HM-10 Bluetooth Module, and Arduino BLExAR iOS Bluetooth App - Control your Arduino board using Bluetooth Low Energy https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1540943962102-4OIFUPH204764FOZAWOV/rgb_led_and_two_pin_led_dark.png Blog - 4-Pin RGB LED Control Using iOS BLExAR App, HM-10 Bluetooth Module, and Arduino Figure 1: RGB LED (right) vs. Regular LED (left) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1540940179795-FA5SBVDUZYL12KVSEBU7/image-asset.png Blog - 4-Pin RGB LED Control Using iOS BLExAR App, HM-10 Bluetooth Module, and Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1540944407276-OZBFDDZ12UUHCSQXDVDD/rgb_led_and_regular_two_pin_led.JPG Blog - 4-Pin RGB LED Control Using iOS BLExAR App, HM-10 Bluetooth Module, and Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1540943810480-W7B8H10D7J1VZKFNUMSV/BLE_x_Arduino_banner.png Blog - 4-Pin RGB LED Control Using iOS BLExAR App, HM-10 Bluetooth Module, and Arduino https://makersportal.com/blog/2018/10/30/ios-and-arduino-communication-using-the-blexar-bluetooth-app-and-hm-10-module monthly 0.5 2018-11-27 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1540510118574-GKP56HJ1PHAZGLKQROLP/BLExAR_logo_rounded.png Blog - iOS and Arduino Bluetooth Communication Using The BLExAR App and CC2541 Module BLExAR App - Arduino and iOS Bluetooth Communication https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1540916717831-8J211GRW27UDMHXUS6N7/bare_minimum_arduino_code.png Blog - iOS and Arduino Bluetooth Communication Using The BLExAR App and CC2541 Module https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1540916842956-AAUXUHBFC85WIA656C66/BLExArduino_wiring_console.png Blog - iOS and Arduino Bluetooth Communication Using The BLExAR App and CC2541 Module https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1540916795572-HER2JMVYQQIASFDZA0YW/image-asset.png Blog - iOS and Arduino Bluetooth Communication Using The BLExAR App and CC2541 Module https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1540916900933-6ALFN9EXF16D10YJ4XIO/AT_command_help.png Blog - iOS and Arduino Bluetooth Communication Using The BLExAR App and CC2541 Module https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1540916928531-RHIQZI3DMDJAKWICOSAT/AT_command_name.png Blog - iOS and Arduino Bluetooth Communication Using The BLExAR App and CC2541 Module https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1540917082216-U26JOWLIWFZUC3U8XAGE/blexar_scan.PNG Blog - iOS and Arduino Bluetooth Communication Using The BLExAR App and CC2541 Module - BLExAR BLE Scanning Window https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1541528844710-LIM1K6PD3SP7D3UJ1JQY/iphonex_mockup_scan.png Blog - iOS and Arduino Bluetooth Communication Using The BLExAR App and CC2541 Module https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1540917122256-HA19F8J9Y3I6M8XWC1Q9/image-asset.png Blog - iOS and Arduino Bluetooth Communication Using The BLExAR App and CC2541 Module - BLExAR Device Window showing Arduino Pin Controls https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1540917204738-3IMS76B5AAVJ268056BN/iphone_hm10_serial.png Blog - iOS and Arduino Bluetooth Communication Using The BLExAR App and CC2541 Module https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1540917177060-KNMPO9MHJI233HB95OB7/image-asset.png Blog - iOS and Arduino Bluetooth Communication Using The BLExAR App and CC2541 Module - Serial Communication Between an iPhone and a Bluetooth-enabled Arduino Board https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1540917293608-NS8KO9HMGJ5E0E1LFC5Q/BLE_x_Arduino_banner.png Blog - iOS and Arduino Bluetooth Communication Using The BLExAR App and CC2541 Module https://makersportal.com/blog/2018/10/9/membrane-potentiometer-with-arduino-circular-softpot monthly 0.5 2018-11-27 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1539985252559-N8MG90CFZT9X340X5RJL/potentiometer_softpot_no_touch_transparent.png Blog - Arduino SoftPot LED Meter (Membrane Potentiometer) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1539985276045-3J8LZM40UCG2F3ZRNUVM/potentiometer_softpot_transparent.png Blog - Arduino SoftPot LED Meter (Membrane Potentiometer) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1539982177078-XO08A6SJ2UJZH7R3EANJ/arduino_softpot_wiring_potentiometer.png Blog - Arduino SoftPot LED Meter (Membrane Potentiometer) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1540041433850-9X9GSIUMS4KQD2J5QRVQ/finger_with_softpot.jpg Blog - Arduino SoftPot LED Meter (Membrane Potentiometer) https://makersportal.com/blog/2018/10/3/arduino-tachometer-using-a-hall-effect-sensor-to-measure-rotations-from-a-fan monthly 0.5 2022-11-16 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1538600118892-IGJCQZA8X9X2E16ZGCL8/hall_sensor_3144.jpg Blog - Arduino Tachometer - Using a Hall Effect Sensor (A3144) to Measure Rotations from a Fan https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1538598496524-AFKUT3XEXX7A4573I8IU/a3144_hall_for_wiring_cropped.png Blog - Arduino Tachometer - Using a Hall Effect Sensor (A3144) to Measure Rotations from a Fan - A3144 Unipolar Hall Effect Sensor. When a magnet is brought near the sensor head, the DAT pin registers the magnetic field. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1538599771204-ZOD4NJVSOWQIDLG1JL87/image-asset.png Blog - Arduino Tachometer - Using a Hall Effect Sensor (A3144) to Measure Rotations from a Fan https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1538599780649-RYG0DA9IBK1RBSRG22XJ/hall_effect_low_cropped.png Blog - Arduino Tachometer - Using a Hall Effect Sensor (A3144) to Measure Rotations from a Fan https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1538596670735-IG23NC0JBCHS51LJ76BH/a3144_hall_setup_wiring.png Blog - Arduino Tachometer - Using a Hall Effect Sensor (A3144) to Measure Rotations from a Fan https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1538600148521-T7X9AYOOJETHDIS10KYL/setup_photo.jpg Blog - Arduino Tachometer - Using a Hall Effect Sensor (A3144) to Measure Rotations from a Fan https://makersportal.com/blog/2018/9/21/capacitive-touch-sensor-with-arduino monthly 0.5 2019-01-15 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537567235858-50H06TPC8XMXHQSA5PM4/touch_sensor_main.jpg Blog - Capacitive Touch Sensor with Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537568778093-6EUD9J1R9FBR5UJDBLIP/arduino_capacitive_touch_wiring.png Blog - Capacitive Touch Sensor with Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537563270383-6HFRQ179C2QSUNIVQ0D0/multimeter_reading.JPG Blog - Capacitive Touch Sensor with Arduino Multimeter showing the current draw from the capacitive touch sensor. https://makersportal.com/blog/2018/9/20/audio-processing-in-python-part-iii-guitar-string-theory-and-frequency-analysis monthly 0.5 2021-07-06 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537460515959-DPPZ8YYIXD9EVV8KLA1F/guitar_mic_hole.JPG Blog - Audio Processing in Python Part III: Guitar String Theory and Frequency Analysis https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537304025486-R56KEPCWGVRWF233ZE0P/standing_wave_string.png Blog - Audio Processing in Python Part III: Guitar String Theory and Frequency Analysis Figure 1: Fixed string that represents a stringed instrument. We will be suing this geometry to calculate modes of a vibrating string. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537313959556-92M0TBBDFTEWNUG4707I/standing_wave_animation_mode_1.gif Blog - Audio Processing in Python Part III: Guitar String Theory and Frequency Analysis Figure 2: The fundamental mode of a standing wave on a string. Using the equation derived above, we can calculate the fundamental modes of a guitar using the length of the string, the density of the string, and information about the tension on the string. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537314355720-CT7VA8H5MXOPQBL0N6BV/standing_wave_animation_mode_2.gif Blog - Audio Processing in Python Part III: Guitar String Theory and Frequency Analysis Figure 3: First harmonic of the string (second note). https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537314384939-JNSLDXHRJVLJQ6CTI5SB/image-asset.gif Blog - Audio Processing in Python Part III: Guitar String Theory and Frequency Analysis Figure 4: Second harmonic of the string (third note). https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537409636570-ZUUALOI4LYTDAP79NO2Y/guitar_drawing.png Blog - Audio Processing in Python Part III: Guitar String Theory and Frequency Analysis https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537453411189-72YTDZDYR5H8KR36PQE8/image-asset.jpeg Blog - Audio Processing in Python Part III: Guitar String Theory and Frequency Analysis https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537385380358-VHWAIBNH9Y38K5LXZAUW/image-asset.png Blog - Audio Processing in Python Part III: Guitar String Theory and Frequency Analysis Figure 5: Open string strum showing the frequencies of the 6 strings on a standard-tuned guitar. We can see all six string and where the dominant energy lies in this specific acoustic guitar. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537385672213-43P6SV7QVZ9RK0VBW4BW/image-asset.png Blog - Audio Processing in Python Part III: Guitar String Theory and Frequency Analysis Figure 6: D-string vibration showing the fundamental frequency and its harmonics. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537458662831-2JTUYCADSTJBVHWEZQD2/c_chord_fingering.png Blog - Audio Processing in Python Part III: Guitar String Theory and Frequency Analysis https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537385678319-S9ICCTXPMUDCTAXNRUVL/image-asset.png Blog - Audio Processing in Python Part III: Guitar String Theory and Frequency Analysis Figure 7: C-chord strum showing the peaks of the chord. We are missing a few freqencies, and some of our predictions are off by a few Hertz, however, this type of prediction assumes perfect string length, whereas, in reality the length of the string may vary depending on the guitar, the player, and other factors as well. That being said, we can explain all of the peaks based on our frequency and string length equation, either with fundamentals or harmonics. https://makersportal.com/blog/2018/9/17/audio-processing-in-python-part-ii-exploring-windowing-sound-pressure-levels-and-a-weighting-using-an-iphone-x monthly 0.5 2021-07-06 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537133581864-AFDJ46XVXIOB83JH2424/sine_100hz_one_period.png Blog - Audio Processing in Python Part II: Exploring Windowing, Sound Pressure Levels, and A-Weighting Using an iPhone X Figure 1: Window of a 100 Hz sine wave (on the left: time series, on the right: frequency spectrum). The Fourier spectrum demonstrates the insufficient length of a window at the period of the lowest natural frequency of the system. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537133597117-NN40EJOM0N1QDASFHWV7/sine_100hz_five_periods.png Blog - Audio Processing in Python Part II: Exploring Windowing, Sound Pressure Levels, and A-Weighting Using an iPhone X Figure 2: Window of a 100 Hz sine wave for five cycles (on the left: time series, on the right: frequency spectrum). In this figure, the Fourier spectrum doesn’t have trouble resolving the 100 Hz peak - five cycles is often enough to resolve the signal (assuming high signal amplitude compared to noise). In high-noise cases, longer periods may be necessary. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537226339484-1NAURCP99YBUNVOA3HA0/signal_gen_app_logo.jpg Blog - Audio Processing in Python Part II: Exploring Windowing, Sound Pressure Levels, and A-Weighting Using an iPhone X Signal Gen App on the iTunes App Store https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537205665459-0WYJG6VFW12BVWC79NK8/fft_1kHz_signal.png Blog - Audio Processing in Python Part II: Exploring Windowing, Sound Pressure Levels, and A-Weighting Using an iPhone X Figure 3: Spectral plot of a 1 kHz sine wave signal. The max resolvable frequency resolution is 2.7 Hz, meaning, that at 1 kHz we expect a maximum accuracy of 0.27%. In this specific case, we measured 1001.3 Hz, or 0.13% error. The amplitude was measured to be just under 3 mPa. An iPhone was used to generate the 1 kHz sine wave. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537368105211-ZDGHBGUV3BPPEVOFS1C7/iphone_x_back.jpg Blog - Audio Processing in Python Part II: Exploring Windowing, Sound Pressure Levels, and A-Weighting Using an iPhone X iPhone X image courtesy of William Hook (Flickr) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537212938580-18YIHVO0H241U1Q6TQIK/a_weighting_dB.png Blog - Audio Processing in Python Part II: Exploring Windowing, Sound Pressure Levels, and A-Weighting Using an iPhone X Figure 4: A-weighting function in decibels, used to weight sound measurements to appeal to the human auditory system. https://makersportal.com/blog/2018/9/13/audio-processing-in-python-part-i-sampling-and-the-fast-fourier-transform monthly 0.5 2021-03-04 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1536853237353-RXLQCOHN10LQ4P7Z8ZTF/joseph_fourier_likeness.jpg Blog - Audio Processing in Python Part I: Sampling, Nyquist, and the Fast Fourier Transform Jean-Baptiste Joseph Fourier - Creator of the Fourier Series https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1536860168712-657N2A0W0CERJSEK8HSV/sampling_time_series.png Blog - Audio Processing in Python Part I: Sampling, Nyquist, and the Fast Fourier Transform Figure 1: 100 Hz sine wave sampled at 44.1 kHz for 0.1 seconds. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537193375210-2VJB6UNNA34GEGDRKXTI/nyquist_sample.png Blog - Audio Processing in Python Part I: Sampling, Nyquist, and the Fast Fourier Transform Figure 2: Plot showing the affects of aliasing around the Nyquist frequency. As the sample rate dips below twice the natural frequency, we start to see the inability to replicate the true signal. In this case, a 100 Hz sine wave was inputted, and at 10 times the Nyquist frequency the signal is clearly replicated. At 1.2 times the Nyquist frequency the signal can still be reconstructed, however, once we dip below twice the natural frequency, or below the Nyquist frequency, we can no longer replicate the original 100 Hz signal. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1536866159728-JWRNOTKNK8P6BNMP3265/image-asset.png Blog - Audio Processing in Python Part I: Sampling, Nyquist, and the Fast Fourier Transform Figure 3: Computed FFT showing the amplitude spectrum of a 100 Hz sine wave. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1536868567118-JQYDPUI7SPT0VSV5UYZD/fft_complex_sine_with_noise.png Blog - Audio Processing in Python Part I: Sampling, Nyquist, and the Fast Fourier Transform Figure 4: Computed FFT for three separate sine waves at three different amplitudes and frequencies with some added noise. The FFT has trouble resolving one frequency because the sampling period is likely too short. That, in conjunction with the added noise makes resolving the peak more difficult. The other two signals, however, are high enough above the noise that their peaks are more easily resolved. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1537042320355-CFPBA4FH11DSRQNDG1YN/understanding_the_fft.gif Blog - Audio Processing in Python Part I: Sampling, Nyquist, and the Fast Fourier Transform Figure 5: Visual breakdown showing a complex signal being decomposed into its parts (3 sine wave, and some Gaussian noise). The last plot is the FFT of the singular complex signal, indicating the three individual sine waves at their respective frequency locations and amplitudes. https://makersportal.com/blog/2018/8/23/recording-audio-on-the-raspberry-pi-with-python-and-a-usb-microphone monthly 0.5 2022-11-16 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1536617219238-TH26ED7J9ZWT7K55U5GO/lsusb_t.png Blog - Recording Audio on the Raspberry Pi with Python and a USB Microphone https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1536678880889-ZB0GF1IWGSXH9GDKOKM8/pyaudio_device_list.png Blog - Recording Audio on the Raspberry Pi with Python and a USB Microphone https://makersportal.com/blog/2018/9/4/how-to-take-a-screenshot-using-raspberry-pi monthly 0.5 2019-05-19 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1536529506556-3UR5UTWI5XTD7UZG6WMS/2018-09-09-172840_1824x984_scrot.png Blog - How to Take a Screenshot on Raspberry Pi Using scrot Screenshot of the entire screen https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1536529693999-MXISYMRCKDKT8VQ6QRZ7/current_window_border.png Blog - How to Take a Screenshot on Raspberry Pi Using scrot Screenshot including the border of the current window https://makersportal.com/blog/2018/9/3/arduino-i2c-oled-display-temperature-and-humidity monthly 0.5 2020-11-28 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1535314882254-TRQMMQTJFZW36RPN8A05/mini_display_adafruit.jpg Blog - Arduino I2C OLED Display - Temperature and Humidity Display (SSD1306) DIYMall's 0.96" OLED Arduino Display https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1536239817199-EUE0M9ACGBF3NFE1WUXZ/mini_lcd_dht22_wiring.png Blog - Arduino I2C OLED Display - Temperature and Humidity Display (SSD1306) Arduino Wiring: https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1536006649278-CR99QWSKMC5GQ9KFC9WT/ssd1306_arduino_dht22_display.JPG Blog - Arduino I2C OLED Display - Temperature and Humidity Display (SSD1306) https://makersportal.com/blog/2018/8/23/airport-destination-mapper-in-real-time-with-python monthly 0.5 2021-05-19 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1534976204938-7C7CGZQ25BS9QZ5QX0GG/airport_mapper_example.gif Blog - Airport Destination Mapper in Real Time https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1534459255167-V9XCT71K58V2WTOOBSV2/airplane_drawing.png Blog - Airport Destination Mapper in Real Time https://www.flickr.com/photos/superjetinternational/5476115362 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1534978069446-U42YS53DURHIV37LHQ6Y/macedonia_airport_drawing.png Blog - Airport Destination Mapper in Real Time https://commons.wikimedia.org/wiki/File:Macedonia_International_Airport_map.svg https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1534978178932-DGIXR7YEPNAN85MM0PNF/flight_aware_logo.png Blog - Airport Destination Mapper in Real Time https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1534894388049-1AF43H11ULOIOU4B80CY/image-asset.png Blog - Airport Destination Mapper in Real Time https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1535043983632-CR9448J4E3Q8JIA4P98P/airport_mapper_conclusion_blog.png Blog - Airport Destination Mapper in Real Time https://makersportal.com/blog/2018/8/16/rotating-globe-in-python-using-basemap-toolkit monthly 0.5 2018-11-26 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1534876434258-V7GSKXJXWOMJ5T224NJ5/frame_86_.png Blog - How to Create a Rotating Globe Using Python and the Basemap Toolkit https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1534601753033-8OOWR53GV7V5MQKM3KDF/orthographic_map_example_python.png Blog - How to Create a Rotating Globe Using Python and the Basemap Toolkit https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1534706133954-8WHUSZGH8C5DX84AB7FG/orthographic_map_example_python.png Blog - How to Create a Rotating Globe Using Python and the Basemap Toolkit https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1534706926670-A5LK29JW4J3I0OB5SM7A/ortho_zoom_example.png Blog - How to Create a Rotating Globe Using Python and the Basemap Toolkit https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1534783597275-LVKGWMI2L4EK1Y3AMHY9/basemap_rotating_globe.gif Blog - How to Create a Rotating Globe Using Python and the Basemap Toolkit https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1534800747937-8HOJHE3S2GZAI9LZUV0D/blue_marble_rotating_globe.gif Blog - How to Create a Rotating Globe Using Python and the Basemap Toolkit https://makersportal.com/blog/2018/8/16/real-time-graphing-in-python-part-ii-using-a-word-cloud-to-visualize-wikipedia-edits monthly 0.5 2019-02-28 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1534350954643-LOFKYWHY1N4XV5SQUY9P/wikipedia_live_recent_changes.gif Blog - Real-Time Graphing in Python Part II: Using a Word Cloud to Visualize Wikipedia Edits https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1534425965633-84WA1UN5H4V7K69VWFRE/github_logo_transparent.png Blog - Real-Time Graphing in Python Part II: Using a Word Cloud to Visualize Wikipedia Edits https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1534366740464-J2502ESXEUCENUV7KILX/word_cloud_python_example.gif Blog - Real-Time Graphing in Python Part II: Using a Word Cloud to Visualize Wikipedia Edits https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1534442931542-CVXYCZ826ZZ9C5P5UUG6/word_cloud_spiral.png Blog - Real-Time Graphing in Python Part II: Using a Word Cloud to Visualize Wikipedia Edits - Word cloud created using the spiral method https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1534376799055-1DQQFK4MZBMQSK7B79NJ/wikipedia_word_cloud.gif Blog - Real-Time Graphing in Python Part II: Using a Word Cloud to Visualize Wikipedia Edits https://makersportal.com/blog/2018/8/14/real-time-graphing-in-python monthly 0.5 2021-07-20 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1533239724304-QAVD0Q8Q011JIWYBHSFG/random_live_example.gif Blog - Real-Time Graphing in Python https://makersportal.com/blog/2018/8/13/interactive-mta/new-york-metrocard-calculator-to-avoid-overpaying monthly 0.5 2018-08-16 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1534124094363-6AVKCRBH61NQ9HHWYJZB/price_color_code.png Blog - Interactive MTA/New York MetroCard Calculator to Avoid Overpaying https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1534168420648-E041H2DUZCL6CQQFOTCJ/MTA_cost_chart.png Blog - Interactive MTA/New York MetroCard Calculator to Avoid Overpaying https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1533850167788-3CU7B5BTB7FRHBFMK1F1/metrocard_image.png Blog - Interactive MTA/New York MetroCard Calculator to Avoid Overpaying https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1534166573601-FW3OECMM5Q884H0NNBDF/MTA_calculator_example.gif Blog - Interactive MTA/New York MetroCard Calculator to Avoid Overpaying https://makersportal.com/blog/2018/7/27/how-to-make-a-gif-using-python-an-application-with-the-united-states-wind-turbine-database monthly 0.5 2018-11-26 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1532720004377-0LRSHET8JUAS6S6Z7V90/straight_line_noise.gif Blog - How To Make A GIF Using Python | An Application with The United States Wind Turbine Database Figure 1: GIF demonstration using random data and 'gifly' algorithm. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1532305533623-UEY3SK3H197SY14P2OHJ/USWTDB_viewer_CONUS.png Blog - How To Make A GIF Using Python | An Application with The United States Wind Turbine Database Figure 2: U.S. Wind Turbine Database viewer https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1532308162754-78OBPV2OR8SU79AQ8CI7/wind_turbine_map.png Blog - How To Make A GIF Using Python | An Application with The United States Wind Turbine Database - Figure 3: Distribution of Turbine Power Capacity [in kW] https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1532542627914-8OK9OP53QK1TPXR5H3M9/wind_turbine_dist.gif Blog - How To Make A GIF Using Python | An Application with The United States Wind Turbine Database Figure 4: Turbine installation from 1981 to 2018. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1532547198000-PWD1BIL7R8BLI9B8VWWW/wind_turbine_dist_size.gif Blog - How To Make A GIF Using Python | An Application with The United States Wind Turbine Database https://makersportal.com/blog/2018/7/20/geographic-mapping-from-a-csv-file-using-python-and-basemap monthly 0.5 2019-01-11 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1532107913805-5YUD0YWC43A9OS880815/coordinate_test_transparent.png Blog - Geographic Mapping from a CSV File Using Python and Basemap - Figure 1: Example Mapping of Geographic Point https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1532112951090-ZHNVVR4UNRFHV7OYRBGV/asos_station_plot_transparent.png Blog - Geographic Mapping from a CSV File Using Python and Basemap Figure 2: Distribution of ASOS stations in the U.S. and its territories. Because of the projection, the entire width of the world is plotted due to the inclusion of Alaska's Archipelago. This can be clipped by limiting the bounds of the map. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1532126893862-RTOUKVEW5ZPOB6EZ1B4N/asos_station_CONUS_transparent.png Blog - Geographic Mapping from a CSV File Using Python and Basemap Figure 3: ASOS stations filtered by UTC -5 to UTC -8 to view the distribution of stations in the continental U.S. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1532126796475-99TAPCQD22BV0INB9I58/asos_station_elevation.png Blog - Geographic Mapping from a CSV File Using Python and Basemap https://makersportal.com/blog/2018/7/10/stock-analysis-with-python-visualizations-and-research monthly 0.5 2021-06-03 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1531231912756-PQNY4BQAQ8LVBWETEO2N/python_logo.png Blog - Intraday Stock Analysis With Python Part 1 - Google Finance Mining and Visualization https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1531231857301-RH9U2P1XWUFV42PB687J/plotly_logo.png Blog - Intraday Stock Analysis With Python Part 1 - Google Finance Mining and Visualization https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1531232775454-3IH1PNYV7BPLBCC48HMA/google_finance_logo.png Blog - Intraday Stock Analysis With Python Part 1 - Google Finance Mining and Visualization https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1531235854110-LJ6BR3O46POKM5S0UZGG/plotly_api_key_location.png Blog - Intraday Stock Analysis With Python Part 1 - Google Finance Mining and Visualization https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1531236018500-CR6U17H4XFWTI4IRYSNF/api_key_example.png Blog - Intraday Stock Analysis With Python Part 1 - Google Finance Mining and Visualization https://makersportal.com/blog/2018/7/8/python-microcontroller-getting-started-with-adafruits-trinket-m0-and-circuitpython monthly 0.5 2021-06-03 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1531081207571-MCJRLW0R3B5M285SSFFN/mu_editor_gif.gif Blog - Python Microcontroller: Getting Started with Adafruit's Trinket M0 and CircuitPython https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1531085304355-UJ96QJ9MRZ456C9P1NY5/mu_editor_scrsht.png Blog - Python Microcontroller: Getting Started with Adafruit's Trinket M0 and CircuitPython https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1531098466245-BBYZDU18S2PK59IBZ2S7/trinket_wiring_bluetooth.png Blog - Python Microcontroller: Getting Started with Adafruit's Trinket M0 and CircuitPython https://makersportal.com/blog/2018/7/5/arduino-wall-penetrating-motion-sensor-using-the-rcwl-0516-microwave-radar-module monthly 0.5 2021-06-03 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1530796801739-Q8C66TGI84R8U2W5MQER/microwave_radar_concept.png Blog - Arduino Wall-Penetrating Motion Sensor Using The RCWL-0516 Microwave Radar Module Figure 2: Doppler radar observation frequency for electromagnetic waves. This frequency is used to calculate the approximate speed of a moving object. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1587225585303-AEDC9HUAMITLI3TH5DBL/rcwl_0516_top_side.JPG Blog - Arduino Wall-Penetrating Motion Sensor Using The RCWL-0516 Microwave Radar Module https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1530750250069-F2JO3HEQIVSPR0QI4HW0/microwave_all_parts.JPG Blog - Arduino Wall-Penetrating Motion Sensor Using The RCWL-0516 Microwave Radar Module https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1530828383074-MTUPOBX03YE9E96GTGIN/microwave_ble_wiring.png Blog - Arduino Wall-Penetrating Motion Sensor Using The RCWL-0516 Microwave Radar Module - Wiring Diagram Arduino | Sensor Pin 5V | VIN (RCWL) / VCC (HM-10) GND | GND (RCWL) / GND (HM-10) D2 | OUT (RCWL) D6 |RX (HM-10) D7 |TX (HM-10) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1587225097737-OEWCIVTRPOAAX43SCVZD/BLExAR_logo_rounded.png Blog - Arduino Wall-Penetrating Motion Sensor Using The RCWL-0516 Microwave Radar Module BLE Scanner 4.0 App https://makersportal.com/blog/2018/5/19/attiny85-arduino-board-how-to-flash-the-arduino-bootloader-and-run-a-simple-sketch monthly 0.5 2021-06-03 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526832911391-E7BKBXAPBODGN7COM7N0/attiny85_blue_crooked.jpg Blog - ATtiny85 Arduino Board: How to Flash the Arduino Bootloader and Run A Simple Sketch Figure 1: ATtiny85 next to a standard LED. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526761635290-JWU0XHODAHMBCFP8KA34/attiny85_pinout_transparent.png Blog - ATtiny85 Arduino Board: How to Flash the Arduino Bootloader and Run A Simple Sketch Figure 2: Pinout showing the capabilities of each pin on the ATtiny85 [source]. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526765616446-K26U139XLGVJLM587J0Z/boards_manager_link.png Blog - ATtiny85 Arduino Board: How to Flash the Arduino Bootloader and Run A Simple Sketch - Step 1: Add ATtiny URL Add ATtiny Package link [here] from David A. Mellis to Boards Manager https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526765912023-N81W1ZODFOCOBV1RDZNB/attiny_boards_manager.png Blog - ATtiny85 Arduino Board: How to Flash the Arduino Bootloader and Run A Simple Sketch - Step 2: Download from Boards Manager Tools ->Board -> Boards Manager -> Type: 'attiny' -> Install https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526765538754-9R6P4NZU8DMA047GDGSJ/arduino_ISP.png Blog - ATtiny85 Arduino Board: How to Flash the Arduino Bootloader and Run A Simple Sketch - Step 3: Upload 'ArduinoISP' Sketch to Uno Board Examples -> ArduinoISP -> ArduinoISP -> Upload https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526764090303-ZID4RDJVM63NCL6RG9EM/image-asset.png Blog - ATtiny85 Arduino Board: How to Flash the Arduino Bootloader and Run A Simple Sketch https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526769304874-Q2OL2WPXHN9DPE6MQ2RY/arduino_as_ISP.png Blog - ATtiny85 Arduino Board: How to Flash the Arduino Bootloader and Run A Simple Sketch - Step 4: Arduino as ISP Choose 'Arduino as ISP' as the programmer prior to burning the Arduino bootloader onto the ATtiny https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526769319550-6LVDHY69D8Q3J8FPHH2I/select_attiny85_board.png Blog - ATtiny85 Arduino Board: How to Flash the Arduino Bootloader and Run A Simple Sketch - Step 5: Select ATtiny85 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526768690937-3DPX4OEH86GY66BTRIYK/attiny_board_properties.png Blog - ATtiny85 Arduino Board: How to Flash the Arduino Bootloader and Run A Simple Sketch - Step 6: Verify Board Properties Clock: 'Internal 8 MHz', Processor: 'ATtiny85', Programmer: 'Arduino as ISP' https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526769124408-L8H0KE1ZHF8K7KFESIX1/burn_attiny_bootloader.png Blog - ATtiny85 Arduino Board: How to Flash the Arduino Bootloader and Run A Simple Sketch - Step 7: Burn Bootloader! https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526784861780-E8LTJOY2J0IHO30UVJHR/attiny85_conclusion.png Blog - ATtiny85 Arduino Board: How to Flash the Arduino Bootloader and Run A Simple Sketch https://makersportal.com/blog/2018/5/17/arduino-sound-level-meter monthly 0.5 2021-06-03 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526491001077-K4ILBUYF9B8ILT10D1AA/slm_main_transparent_crop.png Blog - Arduino Sound Level Meter Gravity: Analog Sound Level Meter from DFRobot https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526418614852-7AGFKLE1FEQ032CS2IEZ/db_levels_transparent.png Blog - Arduino Sound Level Meter https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526425869182-3B9D6QM0VA6O9TYEF9ID/df_robot_slm_iphone_3.JPG Blog - Arduino Sound Level Meter https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526495966071-2UXGLATV9WKB2088N01B/voltage_image.png Blog - Arduino Sound Level Meter https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526494517737-1IJXYPQCV61LIAQ8Q1A3/subway_plot_middle_and_far_away_transparent.png Blog - Arduino Sound Level Meter https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526497275814-H7OW3GW9QMFU79VK972J/osha_levels_chart.png Blog - Arduino Sound Level Meter https://makersportal.com/blog/2018/5/9/comparing-iphone-gps-against-neo-6m-gy-gps6m-gps-module-with-arduino monthly 0.5 2021-06-03 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1561135904785-DPZ3TY8JQA99S6SPN2Q2/neo6m_main_thumbnail.JPG Blog - Comparing iPhone GPS Against NEO-6M (GY-GPS6M) GPS Module with Arduino DIYmall Ublox NEO-6M GPS Module https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1617395656474-Q2X4OJGD98LPUJ93NSQW/neo6m_profile_whiter.JPG Blog - Comparing iPhone GPS Against NEO-6M (GY-GPS6M) GPS Module with Arduino NEO-6M GPS Module https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526161833984-U333N4DBGWEBF8D07H8N/neo_6m_arduino_wiring.png Blog - Comparing iPhone GPS Against NEO-6M (GY-GPS6M) GPS Module with Arduino - Wiring for GPS and Bluetooth https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526165364356-IRBQUL5P4GC0ZMDUNHIS/map_1_two_turns.png Blog - Comparing iPhone GPS Against NEO-6M (GY-GPS6M) GPS Module with Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526165374974-ZGIV7YIHZ86AXZQWLUXY/map_2_straight_path.png Blog - Comparing iPhone GPS Against NEO-6M (GY-GPS6M) GPS Module with Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526165379766-TGT09ZT7MYMMEREWXCVJ/map_3_open_space.png Blog - Comparing iPhone GPS Against NEO-6M (GY-GPS6M) GPS Module with Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526165385630-Y9V6U7KUU58LF6Z2VEFC/map_4_zig_zag.png Blog - Comparing iPhone GPS Against NEO-6M (GY-GPS6M) GPS Module with Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1526321862459-OA1DVFAHQECIIVGIRLKJ/gps_component_conclusion.JPG Blog - Comparing iPhone GPS Against NEO-6M (GY-GPS6M) GPS Module with Arduino https://makersportal.com/blog/2018/4/29/induction-powered-wireless-led-light-bulb-using-qi-charger-parts monthly 0.5 2021-06-03 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524956718681-XQ5MP4ALIJ2TUWWQ3GPB/IMG_3056.JPG Blog - Induction-Powered Wireless LED Light Bulb Using Qi Charger Parts Figure 1: light bulb after cutting the bottom off with a scissor. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524956785823-6KTG8HXEF72EZNA4V00W/IMG_3057.JPG Blog - Induction-Powered Wireless LED Light Bulb Using Qi Charger Parts Figure 2: Cleared contents from the light bulb. A path has also been cleared for the LEDs. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524957076487-A9LYZZKX7D8M97BGL7J7/IMG_3060.JPG Blog - Induction-Powered Wireless LED Light Bulb Using Qi Charger Parts Figure 3: Parallel LEDs placed inside the light bulb. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524956927225-FES8FSLMEWYA3RMB6KQ9/image-asset.jpeg Blog - Induction-Powered Wireless LED Light Bulb Using Qi Charger Parts Figure 4: TP4056 charger module soldered to the LED leads. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524956917030-R6S6X2Y6YXYSGK9DEOBP/IMG_3062.JPG Blog - Induction-Powered Wireless LED Light Bulb Using Qi Charger Parts Figure 5: The charger pad can be attached to the preliminary setup to test the LEDs, charge pad, and charge module. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524967123631-S9ERHUFGDM21LC660WSO/light_bulb_no_case.JPG Blog - Induction-Powered Wireless LED Light Bulb Using Qi Charger Parts - At this point, the LEDs should be tested with the charge module (TP4056), Qi receiver pad, and Qi charger base. If the seutp isn't working - SOMETHING IS WRONG. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524966500838-ZRUGYMIT3F0FQYQ7XE9O/image-asset.png Blog - Induction-Powered Wireless LED Light Bulb Using Qi Charger Parts Figure 6: Project box. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524965988831-CKMQ8SVK4103MV9WAVM6/IMG_3084.JPG Blog - Induction-Powered Wireless LED Light Bulb Using Qi Charger Parts Figure 7: Project box after using a rotary tool to create a hole for the light bulb base. This photo also shows the TP4056 soldered to the LED leads, and the Qi charging pad as well. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524966740103-OC3EM9MFLAWYGNZYTB1F/IMG_3085.JPG Blog - Induction-Powered Wireless LED Light Bulb Using Qi Charger Parts https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524967387734-GC1S8HD01K98DN63WNP5/image-asset.jpeg Blog - Induction-Powered Wireless LED Light Bulb Using Qi Charger Parts https://makersportal.com/blog/2018/4/19/arduino-light-sensor-tsl2561-and-experiments-with-infrared-and-visible-light monthly 0.5 2021-06-03 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524359827516-ZMT1TTKYT4PZLJXNP7RX/image-asset.jpeg Blog - Arduino Light Sensor - TSL2561 and Experiments with Infrared and Visible Light Albert Einstein, 1921 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524332692810-KJ5R5G4AOB2AW5Y9XJAA/visible_spectrum_table.png Blog - Arduino Light Sensor - TSL2561 and Experiments with Infrared and Visible Light Table 1: Division of colors by wavelength [source]. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524335095922-9N8CZUAED8JCSQGJSIG2/visible_spectrum_cones.gif Blog - Arduino Light Sensor - TSL2561 and Experiments with Infrared and Visible Light - Figure 1: Human Eye Cone Responses https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524240090936-YRPZJN0YMT971USAKJKY/tsl2561_spectral_response.png Blog - Arduino Light Sensor - TSL2561 and Experiments with Infrared and Visible Light Figure 2: Responsivity of the TSL2561 luminosity sensor. In the experiments below, I will be testing this curve using six LEDs of varying wavelength. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524343914865-857I68CYOYQECPCF86ON/setup_example.JPG Blog - Arduino Light Sensor - TSL2561 and Experiments with Infrared and Visible Light Figure 3: Setup of experimental procedure where I measure the visible and infrared signals from each LED. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524263994319-4BJUL9Q50064P0536QGE/light_receiver_zoom.JPG Blog - Arduino Light Sensor - TSL2561 and Experiments with Infrared and Visible Light - Figure 4: Photo showing both photodiodes on the TSL2561 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524337891440-RI6XP3UC3E2BU3QHHG4Q/tsl2561_photo.JPG Blog - Arduino Light Sensor - TSL2561 and Experiments with Infrared and Visible Light https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524239861777-CK1UI6MXS3FPK1F28LZQ/arduino_TSL2561_wiring.png Blog - Arduino Light Sensor - TSL2561 and Experiments with Infrared and Visible Light - Figure 5: TSL2561 Wiring to Arduino Arduino | TSL2561 5V | VCC GND | GND SCL | SCL SDA | SDA https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524329632517-B68EVX3IUOK6Z4OPGBA6/leds_photo.jpg Blog - Arduino Light Sensor - TSL2561 and Experiments with Infrared and Visible Light https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524359573922-3FP5FITSP4SW21TR7BRC/TSL2561_wavelength_fit_transparent.png Blog - Arduino Light Sensor - TSL2561 and Experiments with Infrared and Visible Light https://makersportal.com/blog/2018/4/7/arduino-internet-of-things-part-5-raspberry-pi-as-a-smart-hub-for-sending-data-to-google-sheets monthly 0.5 2018-11-28 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524091215588-FZOMRTSJHAASW4A8Y8V7/image-asset.png Blog - Arduino Internet of Things Part 5: Raspberry Pi as a Smart Hub for Sending Data to Google Sheets Figure 1: Example of a real-time plot produced by the BME280 sensor data uploaded to Google Sheets by the Raspberry Pi. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1523914149950-436H2KXIV8JEVHSTEJ0O/rpi_arduino_ble_wifi_gspread_other.png Blog - Arduino Internet of Things Part 5: Raspberry Pi as a Smart Hub for Sending Data to Google Sheets Figure 2: Process flow illustrating the rough outline of how data is handled during the functioning Arduino/Raspberry Pi Internet of Things. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1523915366205-TX8PPDUKSY5ULPQV086A/image-asset.png Blog - Arduino Internet of Things Part 5: Raspberry Pi as a Smart Hub for Sending Data to Google Sheets https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1523915487456-KX9H30UUUAAJN19RK1MR/google_sheet_scrot_rename.png Blog - Arduino Internet of Things Part 5: Raspberry Pi as a Smart Hub for Sending Data to Google Sheets https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1523915489781-ZV2F2BHA8SUC6RZPNQ9V/google_sheet_scrot_date_data.png Blog - Arduino Internet of Things Part 5: Raspberry Pi as a Smart Hub for Sending Data to Google Sheets https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1523915658760-AQNYRPQR7WG5ON282FZG/google_api_create_project_scrot.png Blog - Arduino Internet of Things Part 5: Raspberry Pi as a Smart Hub for Sending Data to Google Sheets https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1523916122046-FTWAK9GCH9XAYGI3I1EU/enable_drive_api_scrot.png Blog - Arduino Internet of Things Part 5: Raspberry Pi as a Smart Hub for Sending Data to Google Sheets https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1523916124304-PCBO5P9VU6RX2BAT0NJT/enable_sheets_api_scrot.png Blog - Arduino Internet of Things Part 5: Raspberry Pi as a Smart Hub for Sending Data to Google Sheets https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1523916329697-Y08ICS62BDFJ1AM2MEC3/image-asset.png Blog - Arduino Internet of Things Part 5: Raspberry Pi as a Smart Hub for Sending Data to Google Sheets https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1523916464653-S0M5M03F3QHTD0HX47GG/credentials_scrot.png Blog - Arduino Internet of Things Part 5: Raspberry Pi as a Smart Hub for Sending Data to Google Sheets https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1523916531302-7UFRQ9ZSZJSC35EUB8VE/service_account_key_scrot.png Blog - Arduino Internet of Things Part 5: Raspberry Pi as a Smart Hub for Sending Data to Google Sheets https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1523916704351-2CFZ398JNWNK9ZZ6PXCW/image-asset.png Blog - Arduino Internet of Things Part 5: Raspberry Pi as a Smart Hub for Sending Data to Google Sheets https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1523916812610-3V9BEZ10WL2JUTIETFHC/image-asset.png Blog - Arduino Internet of Things Part 5: Raspberry Pi as a Smart Hub for Sending Data to Google Sheets https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1523917924595-O137XDST28NLPLUV1UXS/image-asset.png Blog - Arduino Internet of Things Part 5: Raspberry Pi as a Smart Hub for Sending Data to Google Sheets https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1523991987826-72MUDEZLH7CUT9VK89LA/arduino_ble_bme280_bluetooth.png Blog - Arduino Internet of Things Part 5: Raspberry Pi as a Smart Hub for Sending Data to Google Sheets Figure 3: Arduino with BME280 and HM-10 wiring for data transmission to the RPi. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1524084307436-WSYIV97PS6WO9MTSTVVZ/BME280_results_scrot.png Blog - Arduino Internet of Things Part 5: Raspberry Pi as a Smart Hub for Sending Data to Google Sheets https://makersportal.com/blog/2018/3/25/arduino-internet-of-things-part-4-connecting-bluetooth-nodes-to-the-raspberry-pi-using-pythons-bluepy-library monthly 0.5 2021-06-03 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522273170968-RYNS9CIQA6CD3VTGF9WK/ble_scanner_demo.png Blog - Arduino Internet of Things Part 4: Connecting Bluetooth Nodes to the Raspberry Pi Using Python's Bluepy Library https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1523390104098-97HR86KAJHPB5QPV95OF/HM_10_ibeacon_programming.png Blog - Arduino Internet of Things Part 4: Connecting Bluetooth Nodes to the Raspberry Pi Using Python's Bluepy Library Figure 1: Wiring for obtaining Bluetooth address from CC25xx/HM-10 modules. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1523128525526-YCONM86MTJEBHCH5AKJP/AT_address_screenshot.png Blog - Arduino Internet of Things Part 4: Connecting Bluetooth Nodes to the Raspberry Pi Using Python's Bluepy Library Figure 2: Screenshot showing the result of 'AT+ADDR?' in the Arduino serial monitor. You should do this for each Bluetooth module and store the values in a list either in a Python code or elsewhere. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1523399287261-0QT7L4JVL52LPQA1RAYI/image-asset.png Blog - Arduino Internet of Things Part 4: Connecting Bluetooth Nodes to the Raspberry Pi Using Python's Bluepy Library - Conclusion At this point, the Raspberry Pi can read multiple BLE nodes and record data. This means that within the loop, the data can be stored or uploaded to the internet to complete the integration into the Internet of Things. In the final installation of this tutorial series, I will cover one method of connecting to the internet using Python and Google Drive. This will allow the user to send data to the Raspberry Pi via several IoT nodes and then upload the data to the internet. https://makersportal.com/blog/2018/3/27/the-raspberry-pi-3-model-bplus-how-to-seamlessly-transition-to-the-new-pi-and-test-its-performance monthly 0.5 2021-06-03 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522194323430-UE7NXOAXIR8PYKWHG57R/image-asset.png Blog - The Raspberry Pi 3 Model B+ (2018) - How to Seamlessly Transition To The New Pi And Test It's Performance https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522194311997-VJPGJN16UY9N5GR0NC6I/raspbian_stretch_screenshot.png Blog - The Raspberry Pi 3 Model B+ (2018) - How to Seamlessly Transition To The New Pi And Test It's Performance https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522195022741-W2YNKVAW45N5UFH4BJ1A/image-asset.png Blog - The Raspberry Pi 3 Model B+ (2018) - How to Seamlessly Transition To The New Pi And Test It's Performance https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522196923617-TXHOZ611BBKKIQUDBKVB/image-asset.png Blog - The Raspberry Pi 3 Model B+ (2018) - How to Seamlessly Transition To The New Pi And Test It's Performance https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522201455233-S8VBD38758NIU50R0LXO/internet_speed_icon.png Blog - The Raspberry Pi 3 Model B+ (2018) - How to Seamlessly Transition To The New Pi And Test It's Performance https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522348999173-UVKW64G7GC5GJV74TG5V/rpi_cpu.jpg Blog - The Raspberry Pi 3 Model B+ (2018) - How to Seamlessly Transition To The New Pi And Test It's Performance https://makersportal.com/blog/2018/3/2/how-to-become-a-maker-getting-started-with-arduino-and-raspberry-pi monthly 0.5 2018-07-18 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522031241223-WHLAEUT5ZVL0DWOD1UQD/raspberry_pi_logo.png Blog - How to Become a Maker - Getting Started with Arduino and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522034179686-AV158U3DDU0IWL23UOVC/image-asset.png Blog - How to Become a Maker - Getting Started with Arduino and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522033500275-JS10KDZZF7CGV0AN1ZYT/image-asset.png Blog - How to Become a Maker - Getting Started with Arduino and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522031847092-CYKMBN8YRYKNXBIZ7EO9/python_programming.jpg Blog - How to Become a Maker - Getting Started with Arduino and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522030523376-DDZO03XB9K6NM4OD57PO/arduino_website.png Blog - How to Become a Maker - Getting Started with Arduino and Raspberry Pi Arduino.cc https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522030968022-KKKYRZXUN1N5QYQZFTDQ/instructables-logo.png Blog - How to Become a Maker - Getting Started with Arduino and Raspberry Pi https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522030727797-LK1SAKJXDTH8VWBY4TLX/make_magazine.jpg Blog - How to Become a Maker - Getting Started with Arduino and Raspberry Pi Makezine.com https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522030842754-Q5L7HGC6HYP38IMROMCV/hackster_io.gif Blog - How to Become a Maker - Getting Started with Arduino and Raspberry Pi Hackster.io https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522033249687-58V92Y804L0M2F3P0LYN/image-asset.png Blog - How to Become a Maker - Getting Started with Arduino and Raspberry Pi https://makersportal.com/blog/2018/3/24/arduino-internet-of-things-part-3-external-interrupts-using-a-motion-sensor-hc-sr501 monthly 0.5 2022-11-14 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521930438535-9J6873RK5NNV9OF2M3VR/pir_side_white.JPG Blog - Arduino Internet of Things Part 3: External Interrupts Using A Motion Sensor (HC-SR501) - HC-SR501 PIR Sensor https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521924847191-UFCNOI5KFO25ZGG9JTX1/atmega328P_pinout.png Blog - Arduino Internet of Things Part 3: External Interrupts Using A Motion Sensor (HC-SR501) - ATmega328P Pinout We will be using the external interrupt pins which are labeled INT0 and INT1 in pink (D2/D3 in IDE code) [image courtesy of: doolox.com] https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521996223106-0LONM9HVPUTC15X7UDZ1/arduino_IoT_PIR_wiring.png Blog - Arduino Internet of Things Part 3: External Interrupts Using A Motion Sensor (HC-SR501) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521944093551-UQMJDU3FRTK6UII8C9OG/Screen+Shot+2018-03-24+at+10.03.48+PM.png Blog - Arduino Internet of Things Part 3: External Interrupts Using A Motion Sensor (HC-SR501) - Interrupt Process Flow In order to achieve low-power consumption, the device needs to be at its lowest power state (sleep) as much as possible. Therefore, it is imperative that the process flow moves through the detection and notification process as fast as possible in order to return to sleep. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522005847920-WEOF9AFRIVX0GHYJYGGM/capacitive_touch_sensor.png Blog - Arduino Internet of Things Part 3: External Interrupts Using A Motion Sensor (HC-SR501) - Capacitive Touch Sensor https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522005848022-GAPJ086FOMOFAZ0DO6NK/electret_mic.png Blog - Arduino Internet of Things Part 3: External Interrupts Using A Motion Sensor (HC-SR501) - Sound Detector https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522005848669-79GRC2FZDSZHT1KU7EH2/hall_effect_sensor.png Blog - Arduino Internet of Things Part 3: External Interrupts Using A Motion Sensor (HC-SR501) - Magnetic Hall Effect Sensor https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522005848987-8VAMEGL6K15DLBNYBC4I/water_level_sensor.png Blog - Arduino Internet of Things Part 3: External Interrupts Using A Motion Sensor (HC-SR501) - Water Level Sensor https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522006198396-RFACZZSSOOBHZG5CQRLX/photoresistor.png Blog - Arduino Internet of Things Part 3: External Interrupts Using A Motion Sensor (HC-SR501) - Photoresistor https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1522006812520-TLU69SMQJDWVXLS78VDI/arduino_flame_sensor.png Blog - Arduino Internet of Things Part 3: External Interrupts Using A Motion Sensor (HC-SR501) - Flame Sensor https://makersportal.com/blog/2018/3/21/arduino-internet-of-things-part-2-lowering-the-power-consumption-of-the-atmega328p-breadboard-arduino-with-the-hm-10-bluetooth-module monthly 0.5 2022-11-14 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521313764763-MCSUU06Q88MUFJQ8IODL/multimeter_photo.jpg Blog - Arduino Internet of Things Part 2: Lowering The Power Consumption Of The ATmega328P Breadboard Arduino And The HM-10 Bluetooth Module - Tacklife DM01M Digital Multimeter For Measuring Low Currents https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521237624839-LZQ1FE4FQV2K1FB6K6IK/screenshot_libraries.png Blog - Arduino Internet of Things Part 2: Lowering The Power Consumption Of The ATmega328P Breadboard Arduino And The HM-10 Bluetooth Module https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521237642832-NRNO7T4FX8TG7351U8QT/screenshot_install_rocket_scream.png Blog - Arduino Internet of Things Part 2: Lowering The Power Consumption Of The ATmega328P Breadboard Arduino And The HM-10 Bluetooth Module https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521237655513-M69V1HV3WTXOVY4UKFSB/screenshot_include_low_power.png Blog - Arduino Internet of Things Part 2: Lowering The Power Consumption Of The ATmega328P Breadboard Arduino And The HM-10 Bluetooth Module https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521241136178-3PW7GBINU4VN6GB50FBE/sleep_icon_low_power.png Blog - Arduino Internet of Things Part 2: Lowering The Power Consumption Of The ATmega328P Breadboard Arduino And The HM-10 Bluetooth Module https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521316879683-N7D4YEV4N7LXC7BI7SLY/dht_22_sensor.jpg Blog - Arduino Internet of Things Part 2: Lowering The Power Consumption Of The ATmega328P Breadboard Arduino And The HM-10 Bluetooth Module - DHT22 Temp/Humidity Sensor https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521322341188-3Y6RM6O858AJKV9NGTEA/dht_22_output_example.png Blog - Arduino Internet of Things Part 2: Lowering The Power Consumption Of The ATmega328P Breadboard Arduino And The HM-10 Bluetooth Module https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521644484773-ALD03A3685PQCNKNO2GD/wiring_for_ble_resistor.png Blog - Arduino Internet of Things Part 2: Lowering The Power Consumption Of The ATmega328P Breadboard Arduino And The HM-10 Bluetooth Module Wiring diagram for the breadboard Arduino DHT22 Bluetooth node. With this wiring configuration, the node is capable of sleeping at micro-amp currents, reading temperature data, and then transmitting it via Bluetooth. Hm-10 module drawing was found here at Arduibots.wordpress.com. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521677236731-QRC6TGL0U2RFSSIHI119/ble_scanner_app.jpg Blog - Arduino Internet of Things Part 2: Lowering The Power Consumption Of The ATmega328P Breadboard Arduino And The HM-10 Bluetooth Module BLE Scanner 4.0 iOS App https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521679145829-ODJGN0OFGJYBK9IYJ5NV/temp_readout_screenshot.png Blog - Arduino Internet of Things Part 2: Lowering The Power Consumption Of The ATmega328P Breadboard Arduino And The HM-10 Bluetooth Module https://makersportal.com/blog/2018/3/15/arduino-internet-of-things-part-1-burning-the-arduino-bootloader-onto-a-blank-atmega328p-chip-using-the-arduino-uno monthly 0.5 2022-11-14 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521129933129-I3FUY3B42J7XB84PLG29/breadboard_component_wiring.png Blog - Arduino Internet of Things Part 1: Burning The Arduino Bootloader Onto A Blank ATmega328p Chip Using The Arduino Uno Figure 1: Component wiring diagram consisting of the dual 22 pf capacitors, 16 MHz crystal oscillator, 10 kOhm resistor, and ATmega328p chip. These components create a low-cost Arduino board that will be integrated into the Internet of Things (IoT). The total component cost is less than $3. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521072029296-NS6JVI8LQV2W2YO0MJTX/arduino_to_breadboard_wiring.png Blog - Arduino Internet of Things Part 1: Burning The Arduino Bootloader Onto A Blank ATmega328p Chip Using The Arduino Uno - Figure 2: Minimal ATmega328p Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521130818201-KG7WJML6GOE3UJRC439F/screenshot_arduino_ISP_upload.png Blog - Arduino Internet of Things Part 1: Burning The Arduino Bootloader Onto A Blank ATmega328p Chip Using The Arduino Uno https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521130878919-GUZG3QVV1TEJTBYFOQD4/screenshot_use_old_wiring.png Blog - Arduino Internet of Things Part 1: Burning The Arduino Bootloader Onto A Blank ATmega328p Chip Using The Arduino Uno https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521130840585-4A2Y9NZLK59H43G7EXTQ/screenshot_uploading_Arduino_ISP_board_info.png Blog - Arduino Internet of Things Part 1: Burning The Arduino Bootloader Onto A Blank ATmega328p Chip Using The Arduino Uno https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521072054798-5XWV50WNAGNVAHIL8GUV/arduino_burn_bootloader_ISP.png Blog - Arduino Internet of Things Part 1: Burning The Arduino Bootloader Onto A Blank ATmega328p Chip Using The Arduino Uno Figure 3: Arduino Uno as ISP wiring diagram for burning the Arduino bootloader to the ATmega breadboard. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1520984708247-W337HLCRF9YI4OMELB0V/image-asset.png Blog - Arduino Internet of Things Part 1: Burning The Arduino Bootloader Onto A Blank ATmega328p Chip Using The Arduino Uno https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1521072075558-HQ1JW4O6W5EGCS4NUZN3/arduino_breadboard_upload.png Blog - Arduino Internet of Things Part 1: Burning The Arduino Bootloader Onto A Blank ATmega328p Chip Using The Arduino Uno Figure 4: Wiring diagram for uploading a sketch to the ATmega breadboard. Notice the removed ATmega328p chip from the Uno board - this is necessary to bypass the chip and upload sketches to the off-board chip located on the breadboard. https://makersportal.com/blog/2018/3/7/heat-transfer-of-the-raspberry-pi-using-arduino-an-infrared-thermometer-and-type-k-thermocouple monthly 0.5 2022-11-14 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1520372833685-AY9H5P60LSBRFQ3ZGTAQ/rpi_main_chip.JPG Blog - Heat Transfer of the Raspberry Pi Using Arduino, An Infrared Thermometer, and Type-K Thermocouple Figure 1: The Raspberry Pi's main chip: Broadcom's BCM2837. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1520299294233-4KZNANRGFIG80AO30ARS/rpi_heat_transfer_experiment.png Blog - Heat Transfer of the Raspberry Pi Using Arduino, An Infrared Thermometer, and Type-K Thermocouple - Arduino Wiring Figure 2: Wiring diagram for IR thermometer and thermocouple to Arduino Uno. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1520207586296-OU9RR66F605M7JTC5I0F/IMG_1926.JPG Blog - Heat Transfer of the Raspberry Pi Using Arduino, An Infrared Thermometer, and Type-K Thermocouple https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1520207583690-CSHA0J1HOF090VGOZP2I/IMG_1928.JPG Blog - Heat Transfer of the Raspberry Pi Using Arduino, An Infrared Thermometer, and Type-K Thermocouple https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1520207591212-BEPLYZZZRP6GA3QGN309/IMG_1929.JPG Blog - Heat Transfer of the Raspberry Pi Using Arduino, An Infrared Thermometer, and Type-K Thermocouple https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1520207599367-SKUJTGKSK4OB5JIAOOGE/IMG_1958.JPG Blog - Heat Transfer of the Raspberry Pi Using Arduino, An Infrared Thermometer, and Type-K Thermocouple https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1520207598251-1ZV14FHF78O4JV5OVRNY/IMG_1961.JPG Blog - Heat Transfer of the Raspberry Pi Using Arduino, An Infrared Thermometer, and Type-K Thermocouple https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1520207604237-UEXI19JA2OVCBJZX5MLD/IMG_1964.JPG Blog - Heat Transfer of the Raspberry Pi Using Arduino, An Infrared Thermometer, and Type-K Thermocouple https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1520207607701-XVPAFYF8WPBS5V9V6LJW/IMG_1966.JPG Blog - Heat Transfer of the Raspberry Pi Using Arduino, An Infrared Thermometer, and Type-K Thermocouple https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1520207609845-HBKKZXO0JJ6EB842TFTO/IMG_1973.JPG Blog - Heat Transfer of the Raspberry Pi Using Arduino, An Infrared Thermometer, and Type-K Thermocouple https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1520446753867-ST6SS9SKU9ZDOR99DYRY/CPU_percentages.png Blog - Heat Transfer of the Raspberry Pi Using Arduino, An Infrared Thermometer, and Type-K Thermocouple Figure 4: CPU percentages shown in a temperature plot, indicating the correlation between CPU and heat generation. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1520211712625-7MKZRLX9M5STCQMGDX0Y/RPi_temp_test_no_fan.png Blog - Heat Transfer of the Raspberry Pi Using Arduino, An Infrared Thermometer, and Type-K Thermocouple - Figure 5: No Fan or Heat Sink https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1520211714067-5QVNDJWZIYJICZVKH8CT/RPi_temp_test_with_fan.png Blog - Heat Transfer of the Raspberry Pi Using Arduino, An Infrared Thermometer, and Type-K Thermocouple - Figure 5: Only Fan Cooling https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1520211712395-IMA2HIOK88C4EDW15L7I/RPi_temp_test_fan_and_sink.png Blog - Heat Transfer of the Raspberry Pi Using Arduino, An Infrared Thermometer, and Type-K Thermocouple - Figure 5: Heat Sink With Fan Cooling https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1520441375288-VH263O24K4ME72M46WJX/RPi_temp_prediction_HTX.png Blog - Heat Transfer of the Raspberry Pi Using Arduino, An Infrared Thermometer, and Type-K Thermocouple Figure 6: Using the heat transfer approach, the predicted performance of the fan is closely approximated for the lower power states, but struggles at the higher states. I believe this is because the Raspberry Pi is operating in such a way that it is able to optimize the CPU after being cooled by the fan. This would create the lower temperature shown in the Blue. My prediction (in Orange) follows the Green line because it is predicted from that data. I believe if the RPi was running identically on both runs, the Blue line would mimic the Orange, however, in this case it appears something else was happening with the CPU. The positive observation is that the return back to low power (the tail end of the data) follows nicely between Orange and Blue, indicating good agreement between the predicted heat transfer performance of the fan and the actual data taken from the fan-cooled CPU. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1520212993244-NHAQXZ59MU2S9VNC7K39/RPi_temp_test_all_three_overlay.png Blog - Heat Transfer of the Raspberry Pi Using Arduino, An Infrared Thermometer, and Type-K Thermocouple Figure 7: Results from the three cases of cooling: ambient convection, fan cooling, and fan-cooled heat sinking. These results indicate that introducing a fan can reduce the surface temperature of the CPU by a few degrees to almost 20 degrees Celsius. When a heat sink and fan are introduced, we see a huge reduction in surface temperature, ranging from 8 degrees to nearly 40 degrees! This indicates, along with other features in the plot, that the fan and heat sink combination could increase the life of the CPU by reducing the core temperature and perhaps even improving the efficiency of the chip by maintaining the surface temperature without the CPU need to worry about overheating. https://makersportal.com/blog/2018/2/25/python-datalogger-reading-the-serial-output-from-arduino-to-analyze-data-using-pyserial monthly 0.5 2022-11-16 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1519608038624-HV3QVPYSK1S4SQ8IVBQN/dht11_serial_read.png Blog - Python Datalogger - Using pySerial to Read Serial Data Output from Arduino - Figure 1: DHT11 Live Plot from Serial Port Plot produced by matplotlib in Python showing temperature data read from the serial port. During this plot, the sensor was exposed to a heat source, which can be seen here as an increase from 31 to 35 degrees C. https://makersportal.com/blog/2018/2/25/academy-awards-data-mining-analysis-and-visualization-using-wikipedia-and-plotly monthly 0.5 2018-02-26 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1519587451128-5W19I0HGZUO5NRSZ7G5Z/academy_awards_statuette.jpg Blog - Academy Awards Data Mining, Statistical Analysis, and Visualization Using Wikipedia and Plotly https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1519584491212-TQ9EWXTM916QKCM54ZE0/get_out_nymag.jpg Blog - Academy Awards Data Mining, Statistical Analysis, and Visualization Using Wikipedia and Plotly - Daniel Kaluuya and Jordan Peele filming the game-room scene of Get Out. Justin Lubin/courtesy of Universal Pictures (taken from Vulture) https://makersportal.com/blog/2018/1/21/esp8266-wifi-module-flashing-with-arduino-uno-and-smart-home-web-server-led-blink monthly 0.5 2022-11-14 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1518991208256-9X74BMVCDT432N2LF0UW/ESP_8266_photo.jpg Blog - ESP8266 WiFi Module - Flashing with Arduino Uno and Smart Home Web Server LED Blink Figure 1: ESP8266 module with 8 breakout pins. This module is just over $3 when bought in a 4-pack, and even cheaper at times. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517690850733-BUN6BAAX6QCTHONBER3H/Uno_removed_atmega.png Blog - ESP8266 WiFi Module - Flashing with Arduino Uno and Smart Home Web Server LED Blink Figure 2: Remove the ATmega328 from the Arduino Uno board to bypass the module and let the ESP8266 act as the central chip. This is essential for flashing the ESP8266 with the Arduino firmware. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517091559780-3EIC2CUMSCGZI9C8XH1A/ESP8266_transparent_pinout.png Blog - ESP8266 WiFi Module - Flashing with Arduino Uno and Smart Home Web Server LED Blink - Figure 3: Wiring to Program ESP8266 (Pin) | Arduino Uno (Pin) 1| GND 2| TX (1) 3| ------ 4| 3.3V 5| GND 6| ------ 7| RX (0) 8| 3.3V https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1519002558288-TLLMPI7OQD43VJE9HR1V/boards_manager_esp8266.png Blog - ESP8266 WiFi Module - Flashing with Arduino Uno and Smart Home Web Server LED Blink - Figure 4: Pasting the boards manager link https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1519002920480-FNXVACX8DISIGCDN7U0M/image-asset.png Blog - ESP8266 WiFi Module - Flashing with Arduino Uno and Smart Home Web Server LED Blink - Figure 5: Board change from Uno to Generic ESP8266 Module https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1519003085029-RCG9CRA7ZRTTDR5KOH3P/image-asset.png Blog - ESP8266 WiFi Module - Flashing with Arduino Uno and Smart Home Web Server LED Blink Figure 6: Be sure that all of the parameters above match on your Arduino . I also want to note that some of the newer ESP8266 modules are capable of supporting 1M of flash, as opposed to the Flash Size: "512K (64L SPIFFS)" shown here. You may want to upgrade your flash size, if desired. We only come within 60% of the flash limit, so it's not much to worry about here. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1519005248344-VSG1VIIXMGQCXCVI4M9D/boot_serial_information.png Blog - ESP8266 WiFi Module - Flashing with Arduino Uno and Smart Home Web Server LED Blink Figure 7: Serial output for web server. Notice the IP address. This is where you will navigate to find your LED button. The previous information is just routine output for the ESP module when it is interrupted to reboot and enter normal operation. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517092360832-2E1DWS5K9D3S26EN9SJD/ESP8266_transparent_pinout.png Blog - ESP8266 WiFi Module - Flashing with Arduino Uno and Smart Home Web Server LED Blink - Figure 8: Wiring for Normal Function (LED Switch) ESP8266 (Pin) | Arduino Uno (Pin) 1| GND 2| ------ 3| <wire to desired effect> 4| 3.3V 5| <wire to desired effect> 6| ------ (external reset) 7| ------ 8| 3.3V https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1519006009268-9JD3PLY8PZ5H7JEOSRW8/image-asset.png Blog - ESP8266 WiFi Module - Flashing with Arduino Uno and Smart Home Web Server LED Blink Figure 9: On and Off functionality of the web server printed on the Serial Port. The toggle switch turns the LED on and off via GPIO 0 on the ESP8266. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1519006282151-7D5AZ3MWPT5RPWKT7O5K/image-asset.jpeg Blog - ESP8266 WiFi Module - Flashing with Arduino Uno and Smart Home Web Server LED Blink Figure 10: Screenshot of the ESP8266 web server that turns an LED on and off using a toggle button. https://makersportal.com/blog/2018/2/14/publication-quality-plots-using-matlab-and-metar-data-from-nearby-airports monthly 0.5 2021-06-03 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1518647461574-M7G3F0M95NF7IMOWP4MX/home_page_weather_gov.png Blog - Publication-Quality Plots Using MATLAB and METAR Data From Nearby Airports Figure 1: Find a METAR station at weather.gov by inputting a zip code into the red box highlighted above. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1518647885288-NVPAVT5O5V659P1WMA9S/METAR_code_weather_gov.png Blog - Publication-Quality Plots Using MATLAB and METAR Data From Nearby Airports Figure 2: The Zip Code '10024' has outputted the station for Central Park, NY. The station identifier is 'KNYC,' which I have highlighted in the red box. We will be using this identifier in MATLAB to pull the atmospheric conditions of the METAR station and plot different variables. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1518649392534-29D1969CEUM05AQS61WP/KNYC_METAR_Feb_13_2018.png Blog - Publication-Quality Plots Using MATLAB and METAR Data From Nearby Airports - Figure 3: KNYC METAR STATION DATA https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1518650672593-SU8D3RT32SBYA2W9H17U/METAR_station_MATLAB_table.png Blog - Publication-Quality Plots Using MATLAB and METAR Data From Nearby Airports Figure 4: MATLAB table showing the METAR data for station 'KNYC.' The table shows all of the data for the last 72 hours for the station. It mimics the table shown in the html link above. From here, I will demonstrate how to plot the data and update the plot with a push button. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1518655522641-RP0WSI8O5KJBZWR1K92A/figure_template_ggplot.png Blog - Publication-Quality Plots Using MATLAB and METAR Data From Nearby Airports Figure 5: MATLAB figure template for plotting publication-quality figures. The font size is visible, the axes are bold, the grid lines are visible and there is a nice black, white, and gray contrast in the figure. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1518658689090-50E1W9IQ54BHCHGOTTZ2/raw_temp_plot.png Blog - Publication-Quality Plots Using MATLAB and METAR Data From Nearby Airports - Figure 6: Raw Temperature Plot Not publication quality yet, but we're getting there! https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1518663927023-K3K51X1F12LTO3SYBO6T/temp_axis_title_600dpi.png Blog - Publication-Quality Plots Using MATLAB and METAR Data From Nearby Airports - Figure 7: Upgraded Temperature Plot Figure 7: Temperature Plotted with proper axis labels, title, and visible line width. The figure also includes scatter and line plots to mark the actual points of data. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1518722180790-B845TB3JJ9167NFEL3SZ/temp_humiditiy_2_axis_title_600dpi.png Blog - Publication-Quality Plots Using MATLAB and METAR Data From Nearby Airports - Figure 8: Temperature and Humidity Here we have a publication-quality figure that contains all the characteristics found in scientific research journals https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1518724163352-398WUUMBGU5AEBUVJGCD/temp_dew_pt_2_axis_title_600dpi_KAUS.png Blog - Publication-Quality Plots Using MATLAB and METAR Data From Nearby Airports Figure 9: Final representation of MATLAB's plotting capabilities using METAR data for an Austin, TX airport ('KAUS'). https://makersportal.com/blog/2018/1/29/driving-any-stepper-motor-for-less-than-1-with-the-l293 monthly 0.5 2022-11-14 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1518055017884-S4A1HI14TVVGU8BBF5YT/stepper_l293d_zoom.jpg Blog - Driving Any Stepper Motor for Less Than $1 with The L293 L293D and Several mini stepper motors that I acquired to test the L293D circuit with Arduino. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1518107899702-TQBDN2WXMMMA8QV5I7FU/wiring_diagram_L293_external_power.png Blog - Driving Any Stepper Motor for Less Than $1 with The L293 - Wiring the L293D The wiring may seem involved, but the sequences are very complementary. Pins 8-11 correspond to the electromagnets in the stepper motors. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1518108653583-L19RBRIVT628NI2270D4/l293_drawing.png Blog - Driving Any Stepper Motor for Less Than $1 with The L293 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1518049719485-0UXNAR5TTNUCL8VYFQBI/stepper_box_of_motors.JPG Blog - Driving Any Stepper Motor for Less Than $1 with The L293 A box of 4-wire stepper motors of varying size, speed, and torque. All of these steppers can be powered and controlled by the L293D and the Arduino code presented here. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1518103757525-1HOAEE2HZ1Y5PAWIMZEN/arduino_stepper_library_cropped.png Blog - Driving Any Stepper Motor for Less Than $1 with The L293 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1518103559530-7HCD4TSH4OOPS9D3PBE8/stepper_functions.png Blog - Driving Any Stepper Motor for Less Than $1 with The L293 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1518055098129-JCT9PV8GZ61HDS28YPMG/stepper_and_l293_side.JPG Blog - Driving Any Stepper Motor for Less Than $1 with The L293 The L293D and mini steppers https://makersportal.com/blog/2018/2/2/arduino-randomly-blinking-multiple-leds-with-only-9-lines-of-code monthly 0.5 2022-11-14 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517613860743-NIA79Q7K8HGE8IU1X1E5/IMG_1293.JPG Blog - Arduino - Randomly Blinking Multiple LEDs With Only 9 Lines of Code Figure 1: Always remember to wire your LEDs from anode to cathode (long leg to short leg). The anode should be connected to an Arduino digital output, and the cathode should be wired to ground. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517616073101-KTWZI3Y7QEU394M3KVYZ/multi_LED_cover_photo.JPG Blog - Arduino - Randomly Blinking Multiple LEDs With Only 9 Lines of Code https://makersportal.com/blog/2018/2/1/how-i-take-high-quality-tech-photos-with-an-iphone monthly 0.5 2018-02-08 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517366629423-M29YQ9KGNNKHD0O234MO/setup_pieces_whiter_tripod.jpg Blog - How I Take High-Quality Tech Photos with An iPhone Figure 2: My setup that includes mirrors, lenses, an LED light, and flexible tripod. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517366602761-A05UQX5KSOV0MAZE3LVE/lenses_whiter.jpg Blog - How I Take High-Quality Tech Photos with An iPhone Figure 3: My three main lenses (from left): 15x macro, 0.6x wide-angle, 0.4 wide-angle/20x macro. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517412596115-V5MF6IH33ON62FYCV7LQ/board_bare.jpg Blog - How I Take High-Quality Tech Photos with An iPhone - No LED Light, No Mirrors https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517412596093-VPSXZJ9SES4G4J9918GC/board_LED.jpg Blog - How I Take High-Quality Tech Photos with An iPhone - One LED Light, No Mirrors https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517412604384-NHSPRMWFU4HA1BNL3MEY/board_mirrors.jpg Blog - How I Take High-Quality Tech Photos with An iPhone - One LED Light, With Mirrors https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517412603852-4DJD3WWS2LNKI8UNK2A7/board_mirrors_extra_LED.jpg Blog - How I Take High-Quality Tech Photos with An iPhone - Two LED Lights, With Mirrors https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517430156912-850ZGZ3XD1J4P4CUDYY5/board_setup.jpg Blog - How I Take High-Quality Tech Photos with An iPhone - Example Setup Here you can see the LED magnifying glass, the mirrors, the white sheet of paper, and the electronic component. These pieces help create the beautiful photo shown above. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517414028568-KUYTKS2UWYI27KKEB0BI/esp8266_one_mirror_no_white_bckgnd_no_LED.jpg Blog - How I Take High-Quality Tech Photos with An iPhone - One Mirror, No White Background Sheet, No LED Lights https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517414045123-9G635KEWRVNWWG8YXK1C/esp8266_two_mirror_no_white_bckgnd.jpg Blog - How I Take High-Quality Tech Photos with An iPhone - Two Mirrors, No White Background Sheet, No LED Lights https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517414082151-HAQYCBZO14GVLFUAIMVM/esp8266_one_mirror.jpg Blog - How I Take High-Quality Tech Photos with An iPhone - Two Mirrors, White Background Sheet, No LED Lights https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517414112349-BJP8M6G4I76P77VE3JEP/esp8266_one_mirror_LED.jpg Blog - How I Take High-Quality Tech Photos with An iPhone - Two Mirrors, White Background Sheet, One LED Light https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517414127585-1DVI7ZL0PB8T9VZ1YNG9/esp8266_one_mirror_both_LED.jpg Blog - How I Take High-Quality Tech Photos with An iPhone - Two Mirrors, White Background Sheet, Two LED Lights https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517449078716-HI1CU7LO6FBHV8CTU58J/printer_3d_driver_no_lights.JPG Blog - How I Take High-Quality Tech Photos with An iPhone https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517449094908-EKRCJAINUAZJJZVVT9GA/printer_3d_driver_two_lights.JPG Blog - How I Take High-Quality Tech Photos with An iPhone https://makersportal.com/blog/2018/1/25/heat-mapping-with-a-64-pixel-infrared-sensor-and-raspberry-pi monthly 0.5 2022-11-14 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1516929392270-13UQPSSOYL7MX8WMDIEC/amg_88_xx_drawing.png Blog - Heat Mapping with a 64-Pixel Infrared Detector (AMG8833), Raspberry Pi, and Python Figure 1: AGM8833, an 8x8 infrared detector from Panasonic (Grid-Eye series) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1516911492552-FJCM9INJCL1932SVXS3R/blog_cover.jpg Blog - Heat Mapping with a 64-Pixel Infrared Detector (AMG8833), Raspberry Pi, and Python Figure 2: Adafruit's AMG8833 breakout board. This module makes it easy to go from sensor to application with just a few solder points. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1517014434049-8F2Z2R7AUO051P9QSYIS/AMG8833_RPi_wiring_diagram.png Blog - Heat Mapping with a 64-Pixel Infrared Detector (AMG8833), Raspberry Pi, and Python https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1516931452911-VFILBEB3WAOGWYXT8V3W/amg8833_and_raspberry_pi.jpg Blog - Heat Mapping with a 64-Pixel Infrared Detector (AMG8833), Raspberry Pi, and Python Figure 3: AMG8833 (left) and Raspberry Pi Zero W (right) are the principal components for this project. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1622752945199-ANFBO7OGK20KLMFTXTAX/amg8833_handheld.JPG Blog - Heat Mapping with a 64-Pixel Infrared Detector (AMG8833), Raspberry Pi, and Python - We also have an AMG8833 available in our shop Smaller form factor, with the same functionality https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1516931257716-UK315V9P90RQ2CY3IVBG/amg8833_demo_raw.jpg Blog - Heat Mapping with a 64-Pixel Infrared Detector (AMG8833), Raspberry Pi, and Python - No Interpolation https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1516931256296-TUZX3WR6RXX2JALTQZ4M/amg8833_demo_interpolated.jpg Blog - Heat Mapping with a 64-Pixel Infrared Detector (AMG8833), Raspberry Pi, and Python - Lanczos Interpolation https://makersportal.com/blog/2018/1/17/multi-touch-sensor-and-arduino monthly 0.5 2022-11-14 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1516489116142-JEZ0EFHNXGDR72M0U274/arduino_KY_036_wiring_diagram.png Blog - Multi-Touch Sensor and Arduino - Wiring the Sensor Figure 1: Wiring diagram for the touch sensor. The three LEDs can be wired to any pin, so long as they are marked as outputs. As for the output of the sensor, feel free to select any digital pin to designate as an input for the D0 of the KY-036 sensor. https://makersportal.com/blog/2018/1/17/infrared-obstacle-detector-for-less-than-1 monthly 0.5 2022-11-14 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1515717549359-TTVELB4MTG90DW2GNUWV/IR_reflection.png Blog - Infrared Obstacle Detector for Less Than $1 Figre 1: Principal mechanism for the IR object detection: the transmitter (LED) emits light, an object reflects a portion of that light, and the photodiode receives the IR light and records it in the form of voltage, which we will then fit to a curve to approximate distance based on the specific setup. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1515713329334-H7D5B64S7S5ESQQ55UJ2/wiring_diagram.png Blog - Infrared Obstacle Detector for Less Than $1 Figure 2: Wiring diagram for the IR TX/RX pair https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1513817769358-SFGKTP8KZWCQ6XAN985I/ir_setup_arduino.jpg Blog - Infrared Obstacle Detector for Less Than $1 Figure 3: My setup that includes an LED. I chose to use an LED to notify when an object is within a certain distance. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1515686150125-HGETT1VPD7WD1LOZGOW5/image-asset.jpeg Blog - Infrared Obstacle Detector for Less Than $1 - Shielded IR TX/RX Figure 4: I chose to shield the transmitter and receiver because of the interference from nearby objects. The shielding ensures that no bias is incorporated when calibrating and using the system. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1515722217862-LY3R7N11AF468LJJIH6K/IR_obstacle_fit.png Blog - Infrared Obstacle Detector for Less Than $1 Figure 5: This plot shows my particular fit for the data I acquired using the method above. I used a 3-part fit because of the poor fit that 1 or 2 fits have and the limitations of Arduino's significant digits. The three types of fits are: 4th order exponential (in red), 1st order linear (in blue), and 4th order natural exponential (in brown). These fits comprise the model for the results section below. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1515722288089-2TIVTZPM6KFZV8LUHQ1D/IR_obstacle_verification.png Blog - Infrared Obstacle Detector for Less Than $1 - ^<b>Figure 6.1:</b> White Surface^ https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1515722288099-OYRRC6AQ1UL9T246E5WA/IR_obstacle_verification_black_and_white.png Blog - Infrared Obstacle Detector for Less Than $1 - ^<b>Figure 6.2:</b> White and Black Surface^ https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1515722289108-CCT1623YB54UI3EC6LMB/IR_obstacle_verification_blacktarget.png Blog - Infrared Obstacle Detector for Less Than $1 - ^<b>Figure 6.3:</b> Black Surface^ https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1515722289144-PTQZKAGHGH41OACA3KNZ/IR_obstacle_verification_white_timed.png Blog - Infrared Obstacle Detector for Less Than $1 - ^<b>Figure 6.4: </b>White Surface^ https://makersportal.com/blog/2017/1/9/using-raspberry-pi-hm-10-and-bluepy-to-develop-an-ibeacon-mesh-network-part-2 monthly 0.5 2022-11-14 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1514744416038-5GA4BSB0L66Y2A59PQA1/RSSI_Distance_strength_transparent.png Blog - Using Raspberry Pi, HM-10, and Bluepy To Develop An iBeacon Mesh Network (Part 2) Figure 1: Diagram showing a peripheral Bluetooth device broadcasting a signal and the general trend of signal decay with distance. The important thing to realize when investigating radio signals is that the decay is not linear, it is exponential. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1515546333094-L6EDI0KZL36JRKLVUKHE/distance_approx.png Blog - Using Raspberry Pi, HM-10, and Bluepy To Develop An iBeacon Mesh Network (Part 2) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1514744809487-UA587MER827GNNP5A344/CodeCogsEqn-30.png Blog - Using Raspberry Pi, HM-10, and Bluepy To Develop An iBeacon Mesh Network (Part 2) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1514745269897-5MCRB74VVLG2KFY6UCJ1/CodeCogsEqn-29.png Blog - Using Raspberry Pi, HM-10, and Bluepy To Develop An iBeacon Mesh Network (Part 2) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1514745457359-BMA0KH6PU5CMMMQKAK3W/d4-36-39-9d-9c-5e_distance_approx.png Blog - Using Raspberry Pi, HM-10, and Bluepy To Develop An iBeacon Mesh Network (Part 2) Figure 2: This figure shows a complete route for a transceiver. The transceiver starts just a few inches away from the receiver, then moves to roughly 5.5 meters, then returns to its starting position. There is some noise due to obstacles which creates the jagged start, however, the return trip proves to be smoother. Also note the statistical variables that indicate changes in standard deviation (transceiver moving), changes in time between received signals (further away/more obstacles in path), and average changes in the RSSI (transceiver moving away or toward receiver). https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1514745365787-9B5I05P40D9SPO0CQZTF/d4-36-39-9d-9c-5e_data.jpg Blog - Using Raspberry Pi, HM-10, and Bluepy To Develop An iBeacon Mesh Network (Part 2) - RSSI Plot with Statistics Figure 3: This plot demonstrates the complex nature of RSSI plots. This particular plot consists of 30 seconds of RSSI data averaged every 15 samples. The transmitter was placed about 3 meters away from the receiver and was in open air. Notice the sudden decline (despite there being no change in surrounding). This type of behavior makes analysis of RSSI difficult. https://makersportal.com/blog/2017/12/31/using-raspberry-pi-hm-10-and-bluepy-to-develop-an-ibeacon-mesh-network-part-1 monthly 0.5 2021-06-03 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1514500711589-VGBSABK4JN3RE2HPQEEA/hm_10_1_cropped.png Blog - Using Raspberry Pi, HM-10, and Bluepy To Develop An iBeacon Mesh Network (Part 1) Figure 1: HM-10 Bluetooth Module. If the board you are buying does NOT contain the rectangular crystal, then it is likely a counterfeit board and may not work properly. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1514566329537-DYMZRM8KEHQX7WLILM0Q/HM_10_ibeacon_programming.png Blog - Using Raspberry Pi, HM-10, and Bluepy To Develop An iBeacon Mesh Network (Part 1) Figure 2: Wiring the HM-10 to active its iBeacon capabilities. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1514503449931-R5ROUSMI0H488GWQAPGW/AT_commands_screenshot.png Blog - Using Raspberry Pi, HM-10, and Bluepy To Develop An iBeacon Mesh Network (Part 1) Figure 3: AT command set for a specific Bluetooth module (CC2541a). The full AT command set is much larger for an HM-10, but should contain all of those shown above. Full set of AT commands can be found in the datasheet here. https://makersportal.com/blog/2017/12/20/liquid-crystal-displays-and-pixels monthly 0.5 2021-06-03 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1510101232853-DS3TCNJHCICU8MN311MS/IMG_2685.jpg Blog - Liquid Crystal Displays and Pixels https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1510101236696-6GJ4DO10VQ3JABMJNGJF/IMG_2688.jpg Blog - Liquid Crystal Displays and Pixels https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1510101240883-U5WXPVTANLR18FYY89YQ/IMG_2690.jpg Blog - Liquid Crystal Displays and Pixels https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1510101247637-YWVNQPNKMDU6QTHYJHQ3/IMG_2692.jpg Blog - Liquid Crystal Displays and Pixels https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1510101249122-IL1S7PPWLT1DOXFMHOG5/IMG_2694.jpg Blog - Liquid Crystal Displays and Pixels https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1510101251107-SQU27H60HIVT0VOCF3CY/IMG_2695.jpg Blog - Liquid Crystal Displays and Pixels https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1510101254638-S22X597N9UO7ZPL33ZXZ/lcd_last.jpg Blog - Liquid Crystal Displays and Pixels https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1513786504979-33XHFCUNVS3PG6MDUBL7/lcd_composition_6_parts.png Blog - Liquid Crystal Displays and Pixels Figure 2: The six primary components of an liquid crystal display: 1. polarizing film, 2. electrode, 3. liquid crystal layer, 4. second electrode, 5. second polarizing film, 6. mirror or backlight. Image courtesy of Wikipedia under GNU Free Documentation License. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1505934529968-AC4SJR5X55ID63DPRGEL/Liquid-crystal_display_visual.jpg Blog - Liquid Crystal Displays and Pixels Figure 3: Polarizers and liquid crystals rotating light to produce light and dark spots. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1513788913387-JJOJVB7EXMK6JYQ4C0QU/twisted_nematic_liquid_crystals.png Blog - Liquid Crystal Displays and Pixels Figure 4: Twisted nematic liquid crystals rotating light to produce a bright pixel. Image courtesy of Wikipedia under GNU Free Documentation License. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1513795170962-15431R60IDJYKUHQYKUZ/LCD_backlight.jpg Blog - Liquid Crystal Displays and Pixels Figure 5: Illustration showing the significance of electrodes and backlighting in an LCD. Taken from NewHaven Display International. https://makersportal.com/blog/2017/11/15/bluetooth-home-automation-light-bulb-switch-using-an-hc-05-a-relay-and-arduino monthly 0.5 2022-11-14 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1510766552100-XRQNJ6F1F0DAQGODG4P4/IMG_2728.JPG Blog - Bluetooth Home Automation Light Bulb Switch Using An HC-05, A Relay, and Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1510529544946-DSIR4R38ZVKZYTGAF9JN/IMG_2738.jpg Blog - Bluetooth Home Automation Light Bulb Switch Using An HC-05, A Relay, and Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1510530681074-HP7QKLF2UC908ST9YCHH/socket_whole.jpg Blog - Bluetooth Home Automation Light Bulb Switch Using An HC-05, A Relay, and Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1510530644296-GBP6CK7SX2FX1I3Q77VV/relay_zoom.jpg Blog - Bluetooth Home Automation Light Bulb Switch Using An HC-05, A Relay, and Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1510529728198-ECPH6H4X9FPGVHVSKCR6/IMG_2739.jpg Blog - Bluetooth Home Automation Light Bulb Switch Using An HC-05, A Relay, and Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1510765130038-1MH1OFINAEW7WWX5WWHP/wiring_diagram.png Blog - Bluetooth Home Automation Light Bulb Switch Using An HC-05, A Relay, and Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1510533284274-FXA4WTEROO9331WFSFLI/android_app_arduino.png Blog - Bluetooth Home Automation Light Bulb Switch Using An HC-05, A Relay, and Arduino https://makersportal.com/blog/2017/11/1/disassembling-a-pair-of-bluetooth-headphones monthly 0.5 2022-11-14 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509578236488-N2OV7I5O2C8KK628QVT3/magnet_picture_edited.png Blog - Disassembling a Pair of Bluetooth Headphones https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509577479021-LF156V5FTJX6KAUVRGUE/full_image_edited.png Blog - Disassembling a Pair of Bluetooth Headphones https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509578135734-LVEWC37CSAH2OO2GBPE7/button_component_picture_edited.png Blog - Disassembling a Pair of Bluetooth Headphones https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509577301899-QIKQ3EFE4LPUDUSONQJB/all_components_edited.png Blog - Disassembling a Pair of Bluetooth Headphones https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509574751594-D8P6EOHWVS8ZS9NVGHHC/IMG_2524.JPG Blog - Disassembling a Pair of Bluetooth Headphones Full layout of parts disassebled from the Phaiser Bluetooth Headphones. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509575041832-1XBCF6FHSI18LX4LFRGA/IMAGE.JPG Blog - Disassembling a Pair of Bluetooth Headphones One earbud with the speaker grill exposed. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509632892711-6Y36XA17MGOXRVDWMZVP/labeled_parts.png Blog - Disassembling a Pair of Bluetooth Headphones https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509639016151-507K456WIBREPU4TUFBB/speaker-diagram_online_edited.png Blog - Disassembling a Pair of Bluetooth Headphones Basic speaker component diagram demonstrating the three necessary parts of a speaker: coil, cone, and magnet. Taken from: https://www.sciencebuddies.org/Files/7472/6/speaker-diagram.png https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509574642653-XMTPJ8AM01IUCEDL59GY/IMAGE.JPG Blog - Disassembling a Pair of Bluetooth Headphones Closer view of the speaker parts showing the voice coil and cone together next to the magnet. You can also see a better view of the top cover with the guiding channel as well as the gel tip and the casing. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509637632428-ULGGRDV2EKKBQQ0RZ7P9/all_components.jpg Blog - Disassembling a Pair of Bluetooth Headphones Principal components https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509637709951-32HABPCV085LOIWIJ2G7/bluetooth_module_speaker.jpg Blog - Disassembling a Pair of Bluetooth Headphones Bluetooth module showing the CSR-8640 and the microphone for talking https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509637737712-TVYBFLKU4FSZVU5VOGDW/button_pads.jpg Blog - Disassembling a Pair of Bluetooth Headphones Reverse side of the Bluetooth module showing the 3 button pads for the headset, hands-free, and audio/visual control https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509637638197-4ZUWEL6CDAV53JVXKBXT/charge_earbud.jpg Blog - Disassembling a Pair of Bluetooth Headphones Right earbud before disassembly showing the power contacts that charge the device https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509637760089-PNCOOL6T6AEH2BNWARVR/charge_earbud_2.jpg Blog - Disassembling a Pair of Bluetooth Headphones Removed micro USB charging port https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509637687869-A5C1B303PUW9WNT5D0V1/all_components_side_view.jpg Blog - Disassembling a Pair of Bluetooth Headphones Principal components https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509583776862-8ZKPYDLK0C6LWZ2U61LF/IMG_2555.JPG Blog - Disassembling a Pair of Bluetooth Headphones Top view of the circuit atop the capacitor. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509583784077-SI3U93KOESTN2N8UVS33/IMG_2556.JPG Blog - Disassembling a Pair of Bluetooth Headphones Capacitor laying on its side. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509634647744-5L4449WK4CVNYQULIHYA/csr_8640_component_zoom.jpg Blog - Disassembling a Pair of Bluetooth Headphones Bluetooth module that houses Qualcomm's CSR-8640 chip. See the spec sheet here. https://makersportal.com/blog/2017/10/31/investigating-turbulent-channel-flow-for-low-reynolds-number-using-rans monthly 0.5 2019-01-11 https://makersportal.com/blog/2017/10/30/geospatial-analysis-using-qgis-and-open-source-data monthly 0.5 2022-11-11 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509393492320-4UH2WUSLMUD18LWRIYPV/image-asset.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509394482585-BL80O8O2L070E6C5R32N/image-asset.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509394683095-HKKS9EIW2XAKGIJV8J1I/image-asset.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509394922280-SZ2180D3J0UAU19T4YQ6/add_delimited_text_layer.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509395267360-HCNRW4QBJR7GQFHX3NRM/zip_code_layer_properties.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509396663876-PT3RELL6P74Q7MXOF14M/identify_features.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509397145014-ZAVK5FGTGGWCTVWCZ3ZZ/image-asset.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509397801326-PK5BOE7N35C7N73S4U9T/graduated_layer_property.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509397452028-N0MS95UV9SQCHSKBO6N8/GJ_raw_data_colorramp.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509128592410-9INUKMUFPUE6NWEUE15L/natural_gas_consumption_per_person_NYC.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509130542501-QRP585ESYZFKQ4KEH9RX/image-asset.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509399505635-KPX7L9MSY97I3FLBU53H/image-asset.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509401071393-JKUW92JQWFT0QCSXA5R3/image-asset.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509143122752-B46OU908HHBWVE637OOP/water_quality_index_WASH_State_2013.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509401778530-ZCQX1DHZ4RFSKU11GNK8/image-asset.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509402712836-789J6FPKTWZ7OP47VGM8/field_calculator_demo.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509137194475-7XSI7PX0FEMBM2QBOEZ8/water_quality_index_WASH_State_20_yr_avg.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509381788627-XTOPBSYKN4ET3NU4L46Y/heart_disease_deaths_17yr_avg_CONUS.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509385164834-JYFINO4WEA8BREXWOWO8/heart_disease_change_in_deaths_17yr_CONUS.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1509387445966-K7EBYRUJ0ZOZ9LT80CTS/GDP_world_2016.png Blog - Geospatial Analysis Using QGIS and Open-Source Data https://makersportal.com/blog/2017/9/25/accelerometer-on-an-elevator monthly 0.5 2022-11-11 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508344803417-E6T8138KG330EK4HWMPP/mass_spring_diff_eqn.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508344964422-DBNTCRTYN2C1MD8SGDU4/accel_kx_m.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508284232658-INRZZ4Y61Y8QUNN4MITM/mass_spring_system.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator Figure 1: Mass-spring system. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508347777829-QK4QNWJB99O5OFTLJDQ0/mass_spring_double_wall_professional.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator Figure 2: Double-walled mass spring system in a moving inertial reference frame. The walls are the primary while the ball moves in opposition to the https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508353788689-Q2DDQIS2BD4A4TMCB4AT/capacitor_parallel_plate.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508284773318-2K17Q2ZQ9625R63S723B/1000px-Parallel_plate_capacitor.svg.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator Figure 3: Basic diagram of a parallel plate capacitor. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508356298904-OTLLST2FV92D1NSZ35UU/image-asset.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator Figure 4: Simplified MEMS accelerometer in equilibrium. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508368579409-GHOKC82ZFE50UT1DK61C/image-asset.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508369472379-4RLEF9Z2GV58FE8VPGF1/image-asset.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator Figure 5: Fully labeled diagram of a simplified MEMS accelerometer. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508368586743-2JUSCVWHUGYCM1IYQC3A/image-asset.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508368750337-GTBKJ1FE5OHMSIHUPD62/image-asset.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508368758527-O6D01WS3JEN6JBQVX4B4/image-asset.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508369826857-AN7O2YRV31FEJE6K1AK4/final_mems_accel_eqn.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508374889310-DYU37B3JZ142UZ7PQDS2/image-asset.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator Figure 6: An elevator moving upward will increase a person's weight, while the opposite is true for a downward moving elevator. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508427658800-BF6ZZTFB3UPCB9WFDI7N/marshaklarge2.jpg Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator Figure 7: Marshak Science building where the acceleration measurements were made on several of the elevators. Image courtesy of www.rsdeng.com https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508425994017-6FD2LJSJFYWP5MBB1KEJ/image-asset.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508447837581-ECQMZAQV7WMCRFX9JLKA/trapz_rule.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508448349217-D2PZOACH8NYH88ZHNR77/displacement_from_vel.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508443891102-CLRW5OLZSRTGBV8IKDR9/image-asset.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator Figure 9: Plot of number of floors traversed vs. distance calculated. This plot contains the raw approximations with the linear fit. It can be seen that the approximate height of each floor is about 11 ft. This makes perfect sense considering the height of the building (166 ft). There are 13 regular floors, plug roughly two others to get to the roof. Therefore, if the building is approximated to be 15 stories, then 10.91 x 15 = 163.7 ft. This appears to be a decent approximation, considering the level of accuracy of the sensor. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508449869365-TE0O9PB9UP91XDCJYOHH/image-asset.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508450128119-DJVKPC4ZJV5S9X1JD94X/image-asset.png Blog - Introduction To Capacitive MEMS Accelerometers and A Case Study On An Elevator https://makersportal.com/blog/2017/9/20/hm-10-bluetooth-module monthly 0.5 2021-06-03 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508031444308-CXNOP9ALT2ZTXAPX873G/hm_10_1.jpg Blog - Arduino - Sending A String Over Bluetooth Using The HM-10 - HM-10 Bluetooth low energy Module Ideal for bluetooth interfacing with a smartphone and an arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1508035786779-R3KF2Q9YKOS8DDXRXLUZ/arduino_hm_10_wiring_smaller.png Blog - Arduino - Sending A String Over Bluetooth Using The HM-10 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1542381391342-NSHGBHILXTH7O29Z5Z8A/BLExAR_logo_rounded.png Blog - Arduino - Sending A String Over Bluetooth Using The HM-10 BLExAR iOS Arduino App https://makersportal.com/blog/2017/9/24/acoustic-signature-of-a-tea-kettle monthly 0.5 2021-06-03 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507514103637-IH0MGYT7WQXZIXC66YIW/CodeCogsEqn.png Blog - Acoustic Signature of a Tea Kettle https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507577843654-OBE9K12SDYFZ870C1F2W/CodeCogsEqn.gif Blog - Acoustic Signature of a Tea Kettle https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507582425472-FLTOASP7RYJL5IU8YVWS/CodeCogsEqn-5.png Blog - Acoustic Signature of a Tea Kettle https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507583588779-J1S6Q8IO6H06Z0XCVVI0/CodeCogsEqn-6.png Blog - Acoustic Signature of a Tea Kettle https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507595144452-JAW64JKFXLJMVZAFHCRU/ClosedCylinderResonance.svg.png Blog - Acoustic Signature of a Tea Kettle - Depiction of standing wave phenomena in closed-ended channels. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507595403017-SJ0WXOOJNPM3SZQ1D5YN/image-asset.png Blog - Acoustic Signature of a Tea Kettle https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507595569699-YT0NRM6L67NW4UK3LQKA/image-asset.png Blog - Acoustic Signature of a Tea Kettle https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507595636769-ADOZZ2AHGIMVPZOYITFW/CodeCogsEqn-14.png Blog - Acoustic Signature of a Tea Kettle https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507586829199-PZ3J1HU8FW8CJYAYVBKB/CodeCogsEqn-15.png Blog - Acoustic Signature of a Tea Kettle https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507588123459-6UBWHHAOD74OBZNSH89S/helmholtz_res.png Blog - Acoustic Signature of a Tea Kettle Helmholtz resonator showing the primary components that contribute to the resonance: cavity volume, neck length, and neck cross-sectional area. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507591859754-YAA34PZ1AG6YBSN6XYNH/CodeCogsEqn-18.png Blog - Acoustic Signature of a Tea Kettle https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507417881701-NBJVDMCH09HI3C4ACULB/full_tea_kettle.jpg Blog - Acoustic Signature of a Tea Kettle https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507592360804-B963GH6FCPU0MFFN69JL/image-asset.png Blog - Acoustic Signature of a Tea Kettle https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507592515732-HPAH5NAU627V5B2J9UY5/tea_kettle_neck_profile.jpg Blog - Acoustic Signature of a Tea Kettle Tea kettle neck profile - the upstream neck is the proposed mechanism for the standing wave frequency found for high reynolds numbers. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507597715062-EHHDP1Z1GOCC3EILUMUU/CodeCogsEqn-24.png Blog - Acoustic Signature of a Tea Kettle https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507604378589-S6B8MAUVK1OM7IDM4IA9/tea_kettle_spec-2.png Blog - Acoustic Signature of a Tea Kettle Spectrogram of a whistling tea kettle. The dominant frequency starts around 1500Hz and continues to climb toward 3000Hz. Several harmonics are present as well, however, they are not open-tube harmonics, which indicates that the theory proposed was incorrect or invalidly applied. While the beginning Helmholtz approximations were somewhat correct and in the correct range, once the steady-state was reached, the theory involving the neck standing waves broke down. It is possible that two mechanisms are at work, such as a fundamental at 2kHz and its open-tube resonance exists at 6kHz, while a second mechanism (such as the Helmholtz tone) is dominant at the 3kHz range. This could be one explanation for the breakdown of the two suggested theories. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507607424867-UX05YF7D008XBRZG1HHV/tea_kettle_spec_1cup_2.png Blog - Acoustic Signature of a Tea Kettle https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507607424289-QJM534D6H5OYKDFFN4JS/tea_kettle_spec_2cups_2.png Blog - Acoustic Signature of a Tea Kettle https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507607427305-ICUQ2DMMU50VCTBXWW4A/tea_kettle_spec_4cups_2.png Blog - Acoustic Signature of a Tea Kettle https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507607426604-MQ5J2N6Y4FDAEGKXVSYH/tea_kettle_spec_6cups_2.png Blog - Acoustic Signature of a Tea Kettle https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1507607428303-D8QP5XY6GP81YW5AKEVK/tea_kettle_spec_7cups_2.png Blog - Acoustic Signature of a Tea Kettle https://makersportal.com/blog/2017/9/24/perfecting-data-visualization-with-plotly monthly 0.5 2021-06-03 https://makersportal.com/blog/2017/9/22/a-heat-transfer-experiment-with-coffee monthly 0.5 2022-11-11 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1506558640526-G13E8AX5WCAE8M7F6NAA/nespresso_prod_3.jpg Blog - A Heat Transfer Experiment with Coffee Nespresso Prodigio and a ceramic espresso mug. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1506559448424-RNKBCXUC9967ZAJAYQBW/newton_law_eqn.gif Blog - A Heat Transfer Experiment with Coffee https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1506610636146-NZ4EFYRDKTTTFCOJWQ88/temp_time_deriv_newton.gif Blog - A Heat Transfer Experiment with Coffee https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1506612766540-OBTZEJOK75EI3F4A20GR/try_as_solution_newton.gif Blog - A Heat Transfer Experiment with Coffee https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1506613007485-7645CACJEHNG2C7VHOTE/final_solution_newton.gif Blog - A Heat Transfer Experiment with Coffee https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1506554247569-RXW5R9G0HBO5VW832E6B/side_view_thermocouple_esp_cup.jpg Blog - A Heat Transfer Experiment with Coffee - Experimental Setup Experimental setup for testing Newton's Law. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1506618894403-14HCR6Q9UZHB3SY74HSF/wiring_table.png Blog - A Heat Transfer Experiment with Coffee https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1506618445125-9T6HFHOLIEPO9Q3G6Z5G/arduino_max6675_wiring_transparent.png Blog - A Heat Transfer Experiment with Coffee - Wiring the arduino goes as follows: https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1506622666959-SEMH4E7LLEZZVAP1CFCO/poly_fit_newton.gif Blog - A Heat Transfer Experiment with Coffee https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1506554228752-4QTS32UTUGAQZUGY949Q/thermocouple_in_espresso_cup.jpg Blog - A Heat Transfer Experiment with Coffee https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1506613975342-69IPZJEBHFOF5UFKYPBP/coffee_setup.jpg Blog - A Heat Transfer Experiment with Coffee https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1506623169061-S7YWYCNPAQSC82IMHPOS/fit_constants.gif Blog - A Heat Transfer Experiment with Coffee https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1506614013067-UPJI9H4W4PF47431X59P/coffee_testing.jpg Blog - A Heat Transfer Experiment with Coffee https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1506554174293-3H6AHOFKZYWAJF54EY5R/zoom_thermocouple_in_cup.jpg Blog - A Heat Transfer Experiment with Coffee https://makersportal.com/blog/2017/9/23/using-raspberry-pi-and-python-to-send-email-alerts monthly 0.5 2022-11-11 https://makersportal.com/blog/2017/9/22/on-the-importance-of-datasheets monthly 0.5 2018-02-02 https://makersportal.com/blog/2017/9/20/ultrasonic-range-finder-with-arduino monthly 0.5 2022-11-11 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1506030173841-FXTZFAXQP41XLM2WNYKM/c_d_t_sound_basic_eqn.png Blog - Ultrasonic Range Finder with Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1506032406920-EFPKMG7VGSP7QPIL79E7/time_of_flight_geometry.png Blog - Ultrasonic Range Finder with Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1506026887783-MCW16CK1LKJLASJW1ZXR/uno_circuit_diagram.png Blog - Ultrasonic Range Finder with Arduino Wiring diagram for ultrasonic sensor. Note that the SIG output shown here should be Trig and Echo, connected to pins 2 and 3, respectively. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1505953044980-O0ZBU27AS1AILS4Y146S/data_hc_sr04_RAW_transparent.png Blog - Ultrasonic Range Finder with Arduino Plot showing the raw moving target experiment. Each horizontal trend signifies a 1 inch move away from the sensor. https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1506038749803-OTWBTRTJ9FV5V26TDNIJ/polynomial_fits.png Blog - Ultrasonic Range Finder with Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1506026326853-S09PVS8GIC0GA4BP91RQ/data_fit_corrected.png Blog - Ultrasonic Range Finder with Arduino https://makersportal.com/blog/2017/9/18/engineering-paper-a-different-perspective monthly 0.5 2019-01-11 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1505774019906-YQLC13KAVQMEQ9YGM90S/Engineering-pad-simulation.png Blog - Engineering Paper - A Different Perspective Get Yourself a Few Pads here [rendering courtesy of Xiong under CC BY 3.0]. https://makersportal.com/blog/2017/9/18/arduino-the-makers-toolbox monthly 0.5 2021-06-03 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If the user inputs “AT” into the serial monitor of the Arduino IDE and gets back “OK” - then we know the BLE module and Arduino are communicating. If the monitor does not return “OK” then there is a possible error in wiring, or an issue with the “Both NL & CR” selection. Try changing the line break to something else. Some other options are: “No line ending,” “Newline,” and “Carriage return.” If this still does not work, then it’s possible that the hardware has an issue (though unlikely). https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1540853132223-4OL6VI09UXZSYV3IGA3Q/AT_command_help.png iOS and Arduino Serial Communication Using BLExAR App and Bluetooth After receiving “OK” above, try typing in “AT+HELP” into the module and review all the possible AT commands. 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Optical Fingerprint Sensor (AS608) https://makersportal.com/shop/mini-breadboard monthly 0.5 2025-12-05 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1614706233660-DW38J9HBDKKIO44WYRMR/mini_breadboards_all_colors.JPG shop - Mini Breadboard (85 ties) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1587252222624-4J75LFVO746C7GHKPZB2/BLE_nano_alone_breadboard.JPG shop - Mini Breadboard (85 ties) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1557765220201-PAIEMWQKTL3Y5RZ3QKF4/mini_breadboards_example.JPG shop - Mini Breadboard (85 ties) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1614706321943-TV6WTZXGBM5H90XPDRKD/arduino_pro_w_breadboard.JPG shop - Mini Breadboard (85 ties) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1557765221267-081PIXE5HS37GCD9UD7I/mini_breadboards_example_2.JPG shop - Mini Breadboard (85 ties) https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1575152384882-5QUJCH314C2KTNGZM4R2/ssd1306_OLED_data_display_colors.JPG shop - Mini Breadboard (85 ties) https://makersportal.com/shop/ads1115-analog-to-digital-converter-module-for-raspberry-pi-and-arduino monthly 0.5 2022-10-20 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1555683644816-ENW3KWR1C9ME6OB1W38R/ads1115_front_cropped.JPG shop - ADS1115 Analog to Digital Converter Module for Raspberry Pi and Arduino https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1555683645263-QKXX8WLP5GBY4L0ZQ6ES/ads1115_back_cropped.JPG shop - ADS1115 Analog to Digital Converter Module for Raspberry Pi and Arduino https://makersportal.com/3d-printing daily 0.75 2020-02-22 https://makersportal.com/3d-printing/on-demand monthly 0.5 2021-11-22 https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1598639197992-IYHJJCLF3RLOS30GYEI4/ender_3d_printer_LCD_menu.JPG 3D Printing - On-Demand 3D Printing https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1598640757904-6WW9OYDCPJJF8Y2EZZ4K/ender_3d_printer_top_view.JPG 3D Printing - On-Demand 3D Printing - Ender 3 Pro 220mm x 220mm x 250mm print volume https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1598640811180-QBGGMQ0PU184UN61XH4G/DSC_0083.JPG 3D Printing - On-Demand 3D Printing - 3D Printed Weighing Scale Designed and used by our team for calculating shipping costs https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1598640919288-KZS1BWG6MKKQJBTWG01G/DSC_0837.JPG 3D Printing - On-Demand 3D Printing - 3D Printed Manometer Designed and used by our team for calibrating pressure sensors https://images.squarespace-cdn.com/content/v1/59b037304c0dbfb092fbe894/1598640989089-5YIZIMP0VBT0CTDEPAP0/venturi_tube_flow_meter_kit.JPG 3D Printing - On-Demand 3D Printing - 3D Printed Venturi Tube Designed by our team for measuring DC fan airflows