Description
Optical Detector / Phototransistor - QRD1114
This sensor uses an infrared emitted diode combined with an infrared phototransistor to detect the reflected infrared signal. Ideal for sensing black-to-white transitions or can be used to detect nearby objects (.5-1cm).
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1 Review
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Title of review 1038
This emitter / detector pair is very effective and easy to use. Range isn't great, but it works very reliably within it's range.
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