Relay-Module-With-ESP32 Project Description This project contains Arduino code for an ESP32 microcontroller to control a relay module, which in turn controls lights, to create a variety of blinking ...

Welcome to my quick review of an inexpensive 2-channel 5V relay module controlled via RS485 bus utilizing Modbus RTU protocol. As claimed by some online sellers, this easy-to-get Modbus RTU 2-Channel ...