BreadboardBot

Web-steerable FPV robot (ESP32S3 Sense, Arduino)

This is an Arduino-based version of the Web-based control example for the Xiao ESP32S3Sense microcontroller with improved UI.

• Wiring

  Use the base assembly wiring.

• Programming

  • The code is under WebFPV.
    • If you are using GeekServo motors, edit config.h and uncomment #define MOTORS_GEEKSERVO.
    • Optionally, edit WebFPV.ino, comment out setupWifi() and instead uncomment the line // setupWifi(false, "<SSID>", "<password>");, substituting the correct SSID and password. Otherwise the robot will start an access point named BreadboardBotFPV.
  • Using Arduino CLI:
    • Run arduino-cli compile --log (in the WebFPV folder).
    • Connect the MCU to USB while holding the BOOT button and run arduino-cli upload -p <port>. Release the BOOT button when the upload starts.
  • Using Arduino IDE:
    • Install the ESP32 board and the ESP32Servo library.
    • Open WebFPV.ino, choose the esp32->XIAO_ESP32S3 board, select Tools->PSRAM->OPI PSRAM, choose the correct port, then compile & upload the sketch. You will probably need to hold the BOOT button while connecting the board and waiting for the upload to start.

• Result

  If you configured the robot to connect to your Wifi, open breadboardbot.local on your smartphone and have fun steering it.

  If you did not configure the robot to connect to your Wifi, then connect to the BreadboardBotFPV access point with your smartphone and go to 192.168.4.1 (for some reason mDNS does not seem to work for me in access point mode).

  As in the CircuitPython ESP32S3Sense example this is an impractical proof of concept demonstration, as the MCU heats up and consumes the battery quickly, which can result in disconnects or disappearing camera image after prolonged (> 10 minutes) use.