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JumpOff - Laser Tripwire Experiment with Phototransistor
TCRT5000L Infrared (IR) Reflective Optical Emitter / Sensor – Envistia Mall
TCRT5000L Infrared (IR) Reflective Optical Emitter / Sensor – Envistia Mall
5pcs Infrared Emitter and IR Detector Phototransistor Pair TCRT5000 Range Sensor | eBay
KY-008 Laser and Laser Detector - YouTube
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