Digital IR theremin
Chris from Pyroelectro developed this all-digital-hardware Theremin. He descibes, “The Digital IR Theremin uses comparators, digital logic, and a single 555 timer for tone generation. When you wave your hand in front of the infrared proximity sensor, it outputs a tone with varying pitch depending on how far away your hand is from the sensor!”
The BOM includes a 7805 +5v regulator, four LM339 Quad Comparators, two 7408 Dual And Gates, a 555 Timer, IR proximity sensor, eight 2N2222 Transistors and a handful of resistors, capacitors and miscellaneous supporting components. For more details and photos visit Pyroelectro.
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This entry was posted in infrared and tagged digital theremin, musical instrument.
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