GitHub

caosdp-rs/arduino-Modbus

The Modbus library provides a way to transform our PLCs in Modbus masters or slaves over various hardware interfaces, such as RS-485/RS-232 or Ethernet. It provides ...
GitHub

arduino-modbus-slave-rtu-over-rs485

This library was created to make it easier to create communication between devices using ModBus RTU protocol, based on RS485 wiring. As it state in the title, library is written only for handling ...
IEEE

Communication between PLC and Arduino Based on Modbus Protocol

Abstract: This paper explains how to set up the communication between PLC and Arduino based on Modbus Protocol. PLC is a master and Arduino is a slave. A Fx2N-48MR, a Fx2N-485BD, an Arduino main board ...
EDN

Modbus RTU Relay Module

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 ...
CNX Software

ESP32 Modbus gateway handles RTU, TCP/IP, and MQTT for industrial IoT

Designed by Namnam in Vietnam, the ESP32 Modbus gateway is built to communicate with PLCs and industrial sensors over Modbus RTU (RS-485) or Modbus TCP/IP (Ethernet/Wi-Fi). Designed for use in farms, ...