Setup ESP for Pixracer

Requirements

Parts

• PixRacer with ArduPilot installed

• ESP

Tools

• Micro USB cable

• External USB power supply

• Laptop with QGroundControl

Flash MAVESP8266

• Use hints from https://ardupilot.org/copter/docs/common-esp8266-telemetry.html

Linux users can use the commandline if the ESP is connected to a serial adapter:

esptool.py --chip auto --port /dev/ttyUSB0 --before no_reset  write_flash --flash_mode dio --flash_size detect --flash_freq 40m 0x0000 firmware-esp01_1m.bin

Install it to the pixracer

• Insert the ESP as seen below into the pixracer

Configure

• connect from your PC to the wifi access point (initial access point ID is either “ArduPilot” with password "ardupilot" or "Pixracer" with password “pixracer”)

• open a browser to 192.168.4.1 and a simple web interface will appear

• click on the “Setup” link

• set config

  • AP SSID := dronenameRacer (replace "dronename" with your real drone name)

  • AP Password := cassandra

  • baudrate := 921600

• push the “Save” button and reboot the device

Testing

• Power the PixRacer with an external power supply (do not connect USB to your PC)

• Connect to the new WiFi with name "<drone_name>Racer"

• Open QGroundControl and check if you receive telemetry data via WiFi

• Open the "Vehicle Setup" menu and check if you can configure the ESP through the ESP configuration menu