ESP32+W5500以太网硬件设计与MicroPython驱动实现

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Project description

This article is a practical technical document covering the **hardware design** and **MicroPython driver implementation** of a wired Ethernet system combining the ESP32 and W5500. The main contents are as follows: **Hardware Connection Design**: Explains the SPI 6-pin mapping (SCLK/MOSI/MISO/SS/INT/RST), the importance of setting the falling edge interrupt on the INT pin, and the correct usage of RJ45 connectors and network isolation transformers. **Power Domain Isolation**: Presents a real-world example demonstrating that if digital (VDD) and analog (AVDD) are not separated by separate…

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