The Firebeetle ESP32, together with the RAK811, joining, sending, and receiving downlink(Only int implemented; for downlinks).
Set the DevEUI, AppEUI, and AppKey in config.py
For AT commands, error codes, and RAK811 information, see the RAK811 Breakout Board AT Command Manual.
The default setting is connected to UART1 on the Firebeetle ESP32, and the UART response timeout is set to 5 seconds.
Implementation on the Raspberry Pi Pico