ESP8266 Community Forum

- Sun Jul 01, 2018 10:41 am #76761 ESP8266 's ADC accepts as input a voltage range from 0 to about 1V.
I 've built this project and works fine.
In this circuit, the output of the voltage divider has a range from 0 to 3.3V.
This output is fed to the ADC of the ESP8266.

So, why this working correctly? Shouldn't it show wrong measurements? (because ADC is given voltage above 1V)

Last edited by panoss on Tue Jul 03, 2018 8:54 am, edited 2 times in total.

- Mon Jul 02, 2018 1:22 pm #76802 if you built "this project" you are not using esp8266 analog input per se but an adapted 3.xV as you could have found out yourself by looking at the NodeMCU schematic ...

- Mon Jul 02, 2018 2:31 pm #76807 I always find it, at the very least, odd when someone posts a question about another site's stuff. Why do you not ask the other site's forum? It just saves everyone time and is more efficient, except if you are impatient, I guess?

- Tue Jul 03, 2018 1:53 am #76824

if you built "this project" you are not using esp8266 analog input per se but an adapted 3.xV as you could have found out yourself by looking at the NodeMCU schematic ...

You mean that the NodeMCU 's ADC is adapted to sense from 0 to 3.3V?

I always find it, at the very least, odd when someone posts a question about another site's stuff. Why do you not ask the other site's forum? It just saves everyone time and is more efficient, except if you are impatient, I guess?

I asked at their forum but I got no answer.
Nobody forced you to spend your time reading my topic, except you have no other way to spend your time, I guess?