Possibly goofy idea...

[Scott Gravenhorst]

I haven't seen this one (but that doesn't mean it doesn't exist)...

One of my favorite things to do with my FatMan is to hold down
a key to play a constant pitch and fiddle with the filter cutoff
freq knob with rez at max.  One can "select" harmonics.  What I
would like to do is to build a very simple device that has 5 to 8
micro switches (perhaps a salvaged keyboard).  These switches
would conduct to a common point, a DC signal from the wiper of a 
pot wired as a voltage divider supplying 0v to max CV.  The CV 
seen at the common point is supplied as the filter's cutoff freq 
CV.  Each key could be "tuned" by pressing it and adjusting it's 
pot.  A sort of human clocked and human programmed analog 
sequencer.  I would think I could then "play" these harmonics.  
The control voltage output of this could probably be used other 
ways as well.

In the real circuit, I'd probably use analogue switches, controlled by
the physical switches.

Does this sound useful to anyone else?

-- Scott Gravenhorst
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