A short note and example schematic for using LED flash with OV2640, OV5640, and any other OmniVision camera sensor module.
Notes on how to connect ESP32 with quad SPI PSRAM memory. Example ESP32 PSRAM schematic using ESP-WROOM-32 and ESP-PSRAM64.
Here is how you can power multiple servo motors from a LiPo battery pack. This is the best option to power hexapods and humanoid robots.
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.
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.