[sdiy] Keyswitches

[Scott Stites]

Hi Tim,
I don't know if this will make it to list - I can't seem to get through to
it much anymore.

Anyway, there is such a design here with oodles of info:

http://atlas.csd.net/~rjwsoft/keybrdcontroller.html

Cheers,
Scott


----- Original Message -----
From: "Tim Johnson" <ifixaudio at hotmail.com>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Thursday, October 30, 2003 9:35 AM
Subject: [sdiy] Keyswitches


> Hi Group,
> How about a dumb newbee question to brighten your day?
> I was wondering if anyone had or knew of a circuit that made use of ONE
set
> of switches to generate both, the C.V. and trigger signal. The organ I am
> going to use for my project only has one switch per key.
> I thought I saw a circuit that did this by superimposing an A.C. signal on
> the ladder resistors. Another circuit detected the A.C. signal (or D.C.
for
> that matter) and generated the trigger while sending the ladder D.C. to
the
> C.V. circuits.
> Am I crazy of would this work?
> Also what would involved in making it play more than one note at a time?
>
> Thanks
>
> Jim
>
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