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Aircraft Actuator Test Platform: STM32 and W5500 Modbus TCP Link to a CLICK PLC

A prototype actuator test bench where an STM32 NUCLEO-F446RE uses a WIZ550IO (W5500) as a Modbus TCP server for a CLICK PLUS PLC, plus a Python HMI.

josephsr

Published October 26, 2026 · Updated October 27, 2026

150 UCC

15 WCC

11 VAR

Original author: HelloWorld-123-starOriginal source (new tab)

Aircraft Actuator Test Platform: STM32 and W5500 Modbus TCP Link to a CLICK PLC

Components

Hardware components
W5500

WIZnet - W5500

x 1

HelloWorld-123-star/Aircraft-Actuator-Control-and-Test-Platform

WIZnet parts

Project description

https://github.com/HelloWorld-123-star/Aircraft-Actuator-Control-and-Test-Platform Overview The Aircraft Actuator Control and Test Platform is an embedded test bench in which an STM32 NUCLEO-F446RE drives a 12 V geared DC motor, reads its quadrature encoder and a set of sensors, and exposes its data to a CLICK PLUS C2-01CPU PLC over Modbus TCP through a WIZ550IO Ethernet module built on the WIZnet W5500. A Python HMI on macOS connects to the same STM32 over USB serial for live monitoring and command testing. This description is based on the repository as of 2026-10-19 (last push); the…

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