How to Choose Between LAN8720 and W5500 Ethernet on ESP32?
This project is a hands-on comparison of two common ways to add wired Ethernet to an ESP32: an RMII PHY (LAN8720) versus a SPI Ethernet controller(WIZnet W5500)
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Components
Hardware components
WIZnet - W5500
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Project description
Summary This project is a hands-on comparison of two common ways to add wired Ethernet to an ESP32: an RMII PHY (LAN8720) versus a SPI Ethernet controller (WIZnet W5500). The author’s real deployment constraint—stable connectivity inside a closed electrical cabinet while measuring power consumption—drives the decision: even though LAN8720 can reach much higher throughput, the W5500 path wins on integration simplicity and practical stability for typical industrial IoT traffic. What the Project Does Adrian Jimenez set up repeatable throughput tests to answer a very practical question: “Which…
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