Linearity of esp 32

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Joined: Fri Mar 31, 2017 2:57 am

Linearity of esp 32

Postby harshcht » Thu Jun 08, 2017 5:43 am

I have read about the linearity issue on esp forums.
I recently did a test on it and found the following result (I am using the analog read function on the arduino IDE) :
2017-06-08.png (60.76 KiB) Viewed 2958 times
the excel sheet attached has the input value and the output no. of the esp.

It is pretty linear above 1V however the below that it is quite non-linear.
Is there a way to solve this issue?

referring to :

Has the look up table been included ? If not by when can we expect the issue to be solved?
adc linearity.xlsx
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