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A library for reading values via Modbus TCP. Contribute to butesa/php-modbus-query development by creating an account on GitHub.

The transceiver connects to the UART of the MCU. For ESP32, pin 16 to TXD and pin 17 to RXD are the default ones but any other pins can be used as well. 3.3V to VCC and naturally GND to GND. If You ...

Abstract: The report presents a method of building a distributed measuring system using the Modbus TCP protocol. The measuring system includes WAGO programmable logic controllers, a remote personal ...