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Published on Oct 17, 2006
This is a demonstration of a "Minimum Theremin" electronic project that I got from Art's Minimum Theremin website. It is very simple to build and uses 2 hex inverter IC chips. Other components include resistors, electrolytic and ceramic capacitors, and 2 trim pots (variable potentiometers). I used a pie plate as an antenna and hope to improve it by finding a better antenna. The original design used a 9 VDC battery and a 5 VDC voltage regulator TO5 chip but I had a regulated 5 V power supply handy and substituted that.