A demo of ESP32 MP3 audio playback using the PCB Artists ES8388 module. The MP3 file is fetched from an SD card connected to the ESP32.
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Design Blog
ESP32 with passive PoE is very useful in several applications such as sensor nodes or industrial control units that use power over ethernet.
Here is a detailed schematic to generate VGH, VGL, VCOM, AVDD, and some other voltage rails needed by TFT LCD panels to function properly.
Can you use a 4 lane MIPI DSI display with a 2 lane DSI host? STM32 series, RT1050, etc tend to have a 2 lane DSI host.
The ESP32 CH340 programmer schematic is described in brief in this article. This can be used for auto-programming both ESP32 and ESP8266.