Usually you use a usb cable to power and programAdafruit Feather HUZZAH ESP8266 via the mini usb port:
But what if you want to use external 3.3V (or 5V) power supply? To which pin should you connect it?
Usually you use a usb cable to power and programAdafruit Feather HUZZAH ESP8266 via the mini usb port:
But what if you want to use external 3.3V (or 5V) power supply? To which pin should you connect it?