Turn off the FLASH-Light on ESP-CAM

Yes. Here are two ideas:
https://forum.arduino.cc/t/esp32-cam-led-does-not-shut-off-between-photos/1257907/8?u=gfvalvo
https://forum.arduino.cc/t/esp32-cam-led-does-not-shut-off-between-photos/1257907/9?u=gfvalvo