Revision history of "InfraRed Beam Break Detector"

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  • (cur | prev) 21:10, 3 January 2012‎ Dye (Talk | contribs)‎ m . . (151 bytes) (+151)‎ . . (Created page with "This is a simply Infra Red Beam Break Detector. It uses a phototransistor, potentiometer, schmitt trigger and IR LED to detect when a hand is present.")
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