Industrial RGB LED Control: Low-Cost Modbus HMI System with W5500
A low-cost Modbus-based WS2812 control system combining C# HMI, STM32 firmware, and WIZ750SR TCP/IP—an affordable alternative to industrial LED controllers.
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Components
Hardware components
WIZnet - WIZ750SR
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Project description
Why This Project Matters This isn't a typical LED blinker project. It's a fully-functional industrial HMI system with complete Modbus protocol implementation, a professional GUI, STM32 firmware, and TCP/IP network expansion. It was created by SeongmiAppa (성미아빠), a well-known maker and community contributor in Korea’s electronics scene—actively involved in the “Electronics Craft Knowledge-Sharing Community (전자공작 지식나눔 전문 카페)” and “Danggeuni’s AVR Playground (당근이의 AVR 갖구 놀기)” on Naver. His projects are widely recognized for their depth, polish, and practical engineering value, and this system…
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