This example demonstrates how to use the IS4310 Modbus RTU Slave chip with the Arduino platform. The sketch creates a Modbus actuator using the IS4310. The Arduino reads Modbus Holding Registers 1, 2, ...
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 ...