![]() In the ESP32-CAM AI‑Thinker, the flash is connected to GPIO 4. Create a variable to hold the flash LED pin (FLASH_LED_PIN). This is the pin definition for the AI-Thinker board, if you’re using another camera model, check the pinout for your board: ESP32-CAM Camera Boards: Pin and GPIOs Assignment Guide.It can either output 5V or 3.3V, whether it is powered … ems logĮSP32-CAM Shield PCB with Telegram: Photos, Outputs, … You should not use that pin to power the board. Attention: There is also the pin VCC (yellow color). However, a lot of people recommend powering the board through the 5V pin. ![]()
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