Thought of this but I need to know the position of the pot.  It needs to
physically stop at the high limit and physically stop at the low limit.  I
couldn't find any encoders that would do this and give me 128 steps.

At 11:25 AM 1/7/98 -0600, you wrote:
>maybe you should look at an encoder. they require two inputs but are
>digital.
>www.digikey.com lists them starting at about $2.50USD.
>
>michael
>
>