A generic firmware for an ESP32 to be used as a Modbus TCP/IP gateway for any modbus RTU device. Default RX/TX pins for the TTL-RS485 communication are used from hardware-serial2 (check pinout of your ...

This library allows your Arduino to communicate via Modbus protocol. The Modbus is a master-slave protocol used in industrial automation and can be used in other areas, such as home automation. The ...