Designed by Namnam in Vietnam, the ESP32 Modbus gateway is built to communicate with PLCs and industrial sensors over Modbus ...

But thanks to the rtl_433_ESP Arduino library developed by [NorthernMan54], we’re now able to pack that functionality into a much smaller package.

Connect to the ESP32 over serial, and hit enter to stop it from continually rebooting. Falling back to built-in command interpreter. Woot.