Photoreflector
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
- ↑ "Active Robots - Fairchild QRB1134 IR Photoreflector - UK". www.active-robots.com. Archived from the original on 2005-11-24.
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