On Thu, Jan 29, 2015 at 2:40 AM, IVP wrote: > Carbon pots do tend to get crackly over time, and slide pots seem > to be worse than rotary, but that could depend on original quality I thought that was the cause too, but the replacement pot I tried had the same issue. > A capacitor at the ADC input should help integrate the jitter although > the RC effect will delay the correct reading when the pot is intentionall= y > moved. Any rule of thumb on the cap value? Josh --=20 A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. -Douglas Adams --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .