Theremin Synth Controller @256byteram
Theremin Synth Controller  @256byteram
Uploaded April 2016 | Updated September 2026, 1 week ago
This is pretty much just the volume control circuit out of a Theremin, repurposed as a CV controller for a synthesizer.

Never mind about my schematic. This one's much better: theremin.us/144/schematicp1.gif from theremin.us/144/144.htm

My original one would've been broadcasting everywhere.
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Theremin Synth Controller

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