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Elektuur (Elektor) Optical Theremin (1973) - from the Theremin.info Archives

Elektuur (Elektor) Optical Theremin

1973

This is an optical 'theremin' circuit. It does have both pitch and volume control. Both are controlled by the amount of light that reaches the two LDR's that are part of the circuit. It's a very simple design with only a few parts.

 





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