>Ughh...I really dislike up/down buttons for most applications e.g. volume
>controls.  A rotary encoder is the way to go for user freindliness is the
>input has to be in digital form IMO.

I concur; Digikey has one or two rotary encoders which are mechanical
rather than optical and come out to be very cheap (relative to optical),
i.e., less than $5.

In fact, it sounds like writing the code to use the rotary encoder would
probably be easier than what you're trying to do now.

Mike H.

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