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 ...
Project Overview This project implements an Arduino-based industrial gateway that reads Modbus RTU registers from RS485 devices and exposes the data through a RESTful HTTP API in JSON format. The ...
SimpleModbus is a collection of Arduino libraries that enables you to communicate serially using the Modicon Modbus RTU protocol. Both SimpleModbusMaster & SimpleModbusSlave implements function 3 and ...
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