• 1
    Arduino IDE Setup

    Follow these instructions for Windows or these instructions for Mac to get the ESP32 Arduino package installed.

  • 2
    Example Arduino Sketch

    Open the attached Arduino sketch ("ESP32_BLE_UART_Demo.ino") and make sure you choose the right board (Tools / Board) and COM port after plugging in your ESP32 board with the USB cable. Upload the sketch to the board and open serial monitor.

  • 3
    Android App

    Install the attached APK file on an Android device by emailing it or otherwise transferring it to your device. If you want to edit the app, go to Thunkable, set up and account, and import the .aia file that I've also attached.