A look at ESP32 ES8388 audio codec module interface and pinout needed for maintaining compatibility with ESP-ADF examples for ESP32-LyraT.
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esp32
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 CH340 programmer schematic is described in brief in this article. This can be used for auto-programming both ESP32 and ESP8266.
The ESP32 CP2102 programmer schematic is described in brief in this article. This can be used for auto-programming both ESP32 and ESP8266.