Using ethernet with ESP32 is very easy, thanks to the built-in RMII PHY. In this article, a simple ESP32 ethernet example is outlined.
Detailed notes on which ESP32 ethernet PHY options are supported by the most recent ESP32 Arduino releases and ESP-IDF.
ESP32 with passive PoE is very useful in several applications such as sensor nodes or industrial control units that use power over ethernet.
The ESP32 WiFi/BT SoC from Espressif Systems supports wired ethernet along with wireless networking, which could be a huge advantage for applications that need wired connectivity. Ethernet is still a …