[sdiy] Looking for keyboard circuits

[Matthias.Herrmann at jeppesen.com]

there is a keyboard/scanner circuit in thomas henry's book 'build a better 
music synthesizer', which i don't wanted to scan and spread without his 
permission.

cheers,
matthias
___
www.fonitronik.de


synth-diy-bounces at dropmix.xs4all.nl wrote on 06/17/2009 09:41:47 AM:
> I'm in the market for a keyboard circuit, preferably of the matrix 
scanning
> variety.  I've got two keyboards from an old organ I gutted recently, 
and I
> want to adapt them for use with my modular.  They are configured for a
> 12-row matrix (i.e., by the octave) instead of the usual 8, but I think 
I
> can work around this.
> 
> I've looked at Ray Wilson's circuit on MFOS quite closely, and I think I 
can
> adapt this to my needs.  However, I haven't found anything else, and I'm
> mostly just looking for other options to compare and get ideas from.
> 
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