Engineering:Photoreflector

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A Photoreflector is a light emitting diode and a phototransistor housed in a compact package that can be used for detection of proximity and colour of objects. They are a popular component in line following robots and other robotics.[1]

Notes

  1. ↑ "Active Robots - Fairchild QRB1134 IR Photoreflector - UK". http://www.active-robots.com/products/sensors/sensors-fairchild.shtml. 




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