Casio CZ/ VZ/ FZ - Pro Series

Howdy,

 So which parts do we order? And who out there will sell a preburned 
PIC chip to complete the process. With several CZs, I'm VERY 
interested in this.

Rig




--- In CZsynth@yahoogroups.com, Peter Ullrich <synpro@...> wrote:
>
> 
> > 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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