2018-01-30, 11:52 AM
(2018-01-30, 10:41 AM)jim321 Wrote: the drawback to esp 01 is powering it 3v., its a lot easier to use a nodemcu type module that can be powered with 5v and use a power point and a usb cigarette lighter type plug charger for powering it from 12v..more pins on them also..
Most of the esp8266 boards like the nodemcu carry a linear voltage regulator like the ams1117-3.3 so you can run the board by hooking up max 15V to Vin.