Firmware for FX3U-slave and OP320-master, communication via modbus, based on Arduino Framework. More stable, faster response version of "fx3u-m-op320-s-rs232" with solved issues - Yelgurk/fx3u-s-op320 ...

Most complete Modbus library for Arduino. A library that allows your Arduino board to communicate via Modbus protocol, acting as a master, slave or both. Supports network transport (Modbus TCP) and ...