>
> > I would also recommend a small cap between the analog and gnd. Most
> likely
> > you
> > wouldn't need it on the bench... The real world is not the bench. :-)
>
>
> If the acquisition time is long enough and the pot resistance is inside
> the recommended range of input impedance for the PIC, the cap is
> unnecessary.
> <http://www.piclist.com/techref/piclist>
>


Agreed - "should" not be necessary. My experience has been that with age
pots can become noisy. A small cap can completely mask that.

-Denny
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