Casio CZ/ VZ/ FZ - Pro Series

> http://groups.yahoo.com/group/CZsynth/files/wheel.jpg
> 
> The cursor keys wont be needed much, the encoders I've got have a
> press-down feature that I will setup as an enter key.
> 
> The encoders arrived today, I'll start PIC programming soon.
> >
> > 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

As already told a friend and I built one with an AVR Tiny12.
Instead of using expensive optocouplers you could use analog switches 4066 or
4016. As you are working with the same power supply it works fine and is much
cheaper!

Ciao
Peter

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                               Ing. Peter Ullrich   
	               Hardware & Software Developer  /  Electronic Musician
                               Private Homepage: http://www.ullrich.at.tt
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