Bad readings from ADC

Archibald
Posts: 107
Joined: Mon Mar 05, 2018 12:44 am

Re: Bad readings from ADC

Postby Archibald » Mon Oct 08, 2018 11:05 pm

Pibbotley wrote:Could be induced voltage on the connection between pot and pin. Put a 100nF cap as close as possible to pin and ground and use exponential filtering in software.
Thanks, but as I get readings from a potentiometer on an Arduino Micro that only vary between adjacent values, I don't think induced voltage can be the cause.

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