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 ...
Modbux is the tool I desperately needed four years ago. It handles both Modbus TCP and RTU, lets you assign datatypes to registers, scan for addresses and data, simulate servers for testing, and ...
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