Arduino Kit Information: TCRT5000
IR Reflective Sensor
The TCRT5000 is a combination of an IR Emitter and an IR Detector mounted in an arrangement to allow detecting of reflective materials. It's sensing range is from 0.2mm to 15 mm.
The TCRT5000 image and Pinout Diagram:
I have more information and a sample Sketch for the TCRT5000 in Hackers' Notebook Forums @ TCRT5000 IR Sensor
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