[sdiy] "voltage control" on the 556

Scott Gravenhorst music.maker at gte.net
Sun Mar 8 06:45:04 CET 2009


Horton <horton.andrew at gmail.com> wrote:
>I'm building an atari punk console -
>http://compiler.kaustic.net/machines/apc.html - and while I'm at it, I
>was wondering what other sorts of modifications I can add to it. Since
>I'm planning on making a bunch of little CMOS noisemakers and effects,
>I was wondering if there's any way to take advantage of the "control
>voltage" pins on the 556. My only knowledge of CV is typical 0-5V
>stuff on modular synths but I was wondering if those two pins are in
>any way similar to voltage control as I know it. My only real goal is
>extra freakout/chaos on this circuit, so I'm certainly not looking for
>something like 1v/octave control or anything like that, but I was
>imagining being able to patch in the output of something else that I
>build later.
>
>Am I totally barking up the wrong tree with this one, or what?
>

hmm...  try it?



-- ScottG
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-- Scott Gravenhorst
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