Olimex UEXT-CH390 SPI to Ethernet module targets Raspberry Pi and ESP32 MCU boards running ESPHome

Olimex UEXT-CH390 is a small open-source hardware module that adds 10/100 Mbps wired Ethernet connectivity to microcontroller boards through an SPI interface. It is designed for Raspberry Pi Pico and Pico 2 boards, as well as ESP32-S3, C3, C5, C6, and other microcontrollers without built-in Ethernet connectivity. The module is based on the WCH CH390 Ethernet controller and features an RJ45 connector, a standard UEXT connector, and a smaller 1.0mm-pitch pUEXT connector. It measures 50 x 21 mm and is…

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