I use a 10K Ohm, ends to Vcc and ground, wiper to the ADC input pin.  The
ADC will read the position of the pot, since you've just made a variable
voltage divider.  Is that what you're looking for?

Dale
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On Thu, 8 Nov 2001, Josh Koffman wrote:

> Hi all. I know this is going to sound really stupid. I have searched the
> web, and checked what reference material I have on hand (which is
> extremely limited right now). I need to read a potentiometer using the
> ADC on an f877. I figure I should use a voltage divider. However, I
> can't remember whether the fixed resistor goes to V+ or to ground. Also,
> can anyone suggest a good value for 10K, 25K, 50K, and 100K
> potentiometers? I think I'm just not phrasing my search parameters
> right, but I keep coming up with nothing on the piclist website and
> epanorama.
>
> Help!
>
> Josh Koffman
>
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> fools.
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>
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>

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