Casio CZ/ VZ/ FZ - Pro Series

Ingredients: small PIC, high-res encoder, 2 x isolating optocouplers,
some software on the PIC.

I'm looking for a source of high-res encoders. If I do this project
for myself I'll try to sell some on Ebay and save cash for a cute CZ-101.

My only question is: how fast can UP / Down key presses be made? (key
debouncing software on the CZ limits the maximum rate) Will it be fast
enough? (after a quick turn of the encoder the value will take some
time to update)

--- In CZsynth@yahoogroups.com, "Giles Thompson" <giles@...> wrote:
>
> oh man i would kill for this. any details would be appreciated.
> chur
> 
> > I really want a knob/wheel to program the CZ.
> >
> > I gave up on reverse-engeneering approaches but thought of a simpler
> > and more universal solution: a little PIC reads the rotation of an
> > encoder and outputs the corresponding +/- key presses at high speed to
> > the keyboard interface, using a pair of opto-couplers.
> > Has anyone done this, is it available anywhere?
> >
> > Joaquim
> >
> >
>