What type of external power supply do you use and how is it connected? The ESP32 needs a power source that can source at least 500mA to function well. I tried some like 9v battery (with voltage regulator), 4 batteries (1,5v each) and 5v 700mah phone charger. None worked, only usb supply. BUT now I'...

Hi, I'm new here and also with the esp32. I acquired two pieces not long ago and started playing with them. And now I'm having a problem with them, when I use an external power supply that's not usb, the led starts blinking and won't stop, and the program also won't run. If I use the usb, it works f...