Thank you so much. It worked perfectly .
It can be read only through wiper, right?
Correct. That is a relatively simple potentiometer so you cannot get a digital read out of its current status.
https://www.renesas.com/us/en/document/dst/x9c102-x9c103-x9c104-x9c503-datasheet
It is very unlikely that you would be able to get a meaningful analog reading from its wiper without a large impact on the connected circuit. You've simply got to remember the commands fed to it in the current session for the display.
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Thank you. would it be accurate this way?
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