Arduino laserharp circuit

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Josey, Brian; Salvagno, Anthony; Salvagno, Anthony; j koc, Steven (2012): Arduino laserharp circuit. figshare.
http://dx.doi.org/10.6084/m9.figshare.92060

Description

Circuit for an Arduino based laserharp made from four resistors, three phototransistors and a speaker. Laser light passes through a diffraction grating at the bottom where it then splits and strikes three different phototransistors. To play a note, one of these beams of light needs to be interrupted.

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Published on 13 May 2012 - 15:22 (GMT)

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