Hi, I hooked 3 pots(100k each) to pins (A0, A1, A2) in my Arduino UNO (Rev 3). I want to map() each pot value to a LCD. I'm using the 3-wire (595 shift register) with the lcd. The problem is I got very messy readings from the pots. Sometimes in the middle position of pot A1 the LCD is showing 987…

Analogin Pot value inaccuracy

robtillaart November 20, 2012, 6:25pm 8

bad connections between pot arduino gnd and 5V ? seen them before

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