New open source hardware UEXT module adds 100MB Ethernet to PICO, PICO2 and all ESP32s lacking wired Ethernet

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 […]

New open source hardware UEXT module adds 100MB Ethernet to PICO, PICO2 and all ESP32s lacking wired Ethernet

Olimex has announced UEXT-CH390 on the company blog, a small open source hardware module that adds 100 Mbit wired Ethernet to any board with a UEXT or pUEXT connector. UEXT is Olimex’s own connector standard for add-on boards. The module uses the WCH CH390 SPI-to-Ethernet controller, measures 50 x 21 mm, and carries both the […]