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.
Some useful MIPI DSI PCB layout notes, guidelines and tips for MIPI DSI systems. Applicable to MCUs such as STM32 and STM32MP1.
SDRAM swapping rules for bit and byte swapping are not usually described clearly for slow SDR memories. Here are some rules for SDRAM chips.
An ESP32 Bluetooth audio player demo project based on the PCB Artists ES8388 and Espressif ESP-ADF framewor
Replace the AMC7135 constant current 1 watt LED driver IC with something more efficient with PWM brightness control.
i.MX6 DDR3 PCB layout can be a difficult task if you are new to routing DDR3 memory chips. Here are some notes on how to do it right.
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.