| 词条 | Photoreflector |
| 释义 |
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] Notes1. ^http://www.active-robots.com/products/sensors/sensors-fairchild.shtml {{electronics-stub}} 2 : Diodes|Robotics hardware |
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