Contains examples of Modbus (RS485) communication with Arduino. In the examples, Arduino Mega is used as the Master, and Arduino Uno is used as the Slaves. The Arduino RS485 Module is used for RS485 ...

Contains examples of Modbus (RS485) communication with Arduino. The Arduino RS485 Module is used for RS485 communication. In the examples, Arduino Mega is used as the Master, and Arduino Uno is used ...

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 ...