digital keyboard controller...how to build one...?

[Matti E. Leino]

> I was surfin on hyperreal's pages, and I found a message, posted by gene
> stopp, where he tells, that that it possible to build digital cv
> controller...Ok, that's not big news, but how difficult it is to
> build...? I own this old Yamaha synthesizer ( broken one...) and there's
> quite good keyboard I wouöld like to use. It is diode matrix type, and
> has two switches per key. Now I would like to modify it like gene stopp
> sayed in that message, " digital scanner into latched D/A"

But how I can build this...? If one of you guys could help me in this
little problem, I would really appreciate it!

And schematics would be nice too....=)

Thanks in advance!

 - Matti


--
Matti E. Leino                  email:mle at nic.fi
Mäntysalontie 2                 http:www.nic.fi/~mle
28800 PORI                      gsm:+358400880666
Finland