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  • Connections

  • You can find every information about Feather MO Adalogger in: https://learn.adafruit.com/adafruit-feather-m0-adalogger/overview I have used all pins of Feather and I would like to have more pins available. These are the connections of the set: Pin00-...
  • Program the Microcontroller

  • Before mounting the prototype PCB to the housing, I recommend uploading the required sketch to the ATtiny84 microcontroller with a programmer of your choice. I used a USBtinyISP type shown in the picture. /*Sketch for the Scary Cat Project by Gene H*/...
  • Circuit Connection:

  • Connect the push buttons keypad to Arduino Uno as shown in circuit diagram.(R1~A0,R2~A1,R3~A2,R4~A3,C1~A4,C2~A5,C3~Pin 2,C4~Pin 3).Also take a extra push button(Reset Button) and connect to Arduino.(Reset,GND).Connect all the pixel LEDs.(-Ve/GND~GND,+Ve/5V~5V,Data...
  • Powersupply / MIDI / Audio Out

  • Next thing was the PSU. Since I had a spare NiftyCase laying around, and they have a PSU / MIDI In and Audio Out already in the case, I decided to just canibalize this. The NiftyCase electronics consists of two PCBs, connected with a ribon cable. I laser...
  • Step 3

  • Add ESP32 board Open the Arduino IDE.Go to File> Preferences.In the “Additional Boards Manager” URLs field, add the following URL: ‘https://dl.espressif.com/dl/package_esp32_index.json’.Click OK.
  • Instructions

  • Best Budget DIY GPS/GNSS Base Station using the UM980 and a ESP32Introduction The ESP32 is a versatile microcontroller renowned for its WiFi and Bluetooth capabilities. In this guide, we’ll walk you through setting up the your ESP32 development board...
  • Instructions

  • You can find full instructions at: https://www.instructables.com/id/IoT-Air-Freshner-with-NodeMCU-Arduino-IFTTT-and-Ad/
  • DIY Data Logger

  • Here's the code for the Spark Core. The programming for this is very similar to an Arduino. Once you go to the Spark website and get your Core setup you just click on the BUILD tab, create a new App and paste in the code and it'll upload the code over...
  • Prep Your Board!

  • Cut your protoboard to roughly fit the size of the Feather. Use your wires to take the inconveniently placed pins and turn them into tidy little rows of four. The rows should be: A0   3v   Gnd   11 A1    3v ...