[sdiy] push button CV wanted

[Cornutt, David K]

From: Roy J. Tellason [mailto:rtellason at blazenet.net]
> I have an application in mind for which I'd like the user 
> interface to be a 
> couple of push buttons,  one that would raise and the other 
> one of which 
> would lower a control voltage.  

Sounds like a job for one of those programmable
pots.  Put one in as the bottom half of a voltage
divider, connect buttons to the increment and decrement
inputs, and there you are.