[sdiy] looking for CASIO 1v/Oct mods ??

Joel Kirchartz joel_kirchartz at hotmail.com
Sun Nov 28 23:41:19 CET 2004


Yah, sorry, I meant EFM .... do you have any suggestions on a particular d/a 
converter that would do the trick ??

~kirch




>From: harrybissell <harrybissell at prodigy.net>
>To: Joel Kirchartz <joel_kirchartz at hotmail.com>
>CC: synth-diy at dropmix.xs4all.nl
>Subject: Re: [sdiy] looking for CASIO 1v/Oct mods ??
>Date: Sat, 27 Nov 2004 19:53:10 -0800
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>You mean EFM ?
>
>The trouble with the Casio is the conductive rubber keypads. They have some
>substantial contact resistance.  The resistors in the string will have to 
>be
>a high value.
>I'd recommend using the keys, with the diodes... in a scanning type 
>keyboard
>with a
>D/A converter if Casio is your choice...
>
>H^) harry
>
>Joel Kirchartz wrote:
>
> > I thought they used to be on the EMF page, but they're not .... where 
>you
> > take an old casio (the type with a diode for every key) and replace them
> > with a resistor .... well, I forget what value the resistors are, and I
> > can't find the page ... any help ?
> >
> > ~kirch
>





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