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How to Build an Ethernet-Based Smart Home Device with W5500 and Arduino?

This project demonstrates a smart home device built with an Arduino board and the WIZnet W5500 Ethernet controller

chen

Published February 27, 2026

Original author: 编程的夜晚 · ChinaOriginal source (new tab)

How to Build an Ethernet-Based Smart Home Device with W5500 and Arduino?

Project description

How to Build an Ethernet-Based Smart Home Device with W5500 and Arduino? (W5500과 Arduino로 이더넷 기반 스마트 홈 장치를 만드는 방법) Project Summary (53 words) This project demonstrates a smart home device built with an Arduino board and the WIZnet W5500 Ethernet controller. By using hardware TCP/IP offloading instead of Wi-Fi, the system enables stable mobile application communication through HTTP, MQTT, or TCP, offering a reliable and educational approach to networked maker projects. System Architecture Overview Core Components Arduino MCU Handles application logic Controls GPIO or sensors Processes…

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