Left for archival purposes.

User avatar
By alonewolfx2
#8234 I created a pull request for reading internal vdd33 pin voltage.
return value=mV
example usage and result
Code: Select allprint(node.readvdd33())
3348
>
print(node.readvdd33())
2399
> print(node.readvdd33())
2821
> print(node.readvdd33())
3054
> print(node.readvdd33())
3318
User avatar
By alonewolfx2
#8463
milikiller wrote:Best function. Many thanks. Now I have free adc for another function. What is limits of value? Can i use Esp8266 around 2,7V from two AA cell and monitor voltage?

you can use.i tried and its working 2.4v between 3.5v. but it seems station mode not supported. its crashing when connected router. you can use stationap mode or disconect ap,meassure and connect ap again.