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CAT # ST-1140

Reduced Price
$2.75 each
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Product Description
Measures the reflectivity of a surface using infrared emitter/ detector pair. Built around the LM393 comparator, it requires only three connections, V+, 5VDC, and GND. The output goes high when the reflectivity exceeds the threshold value, which can be adjusted with the onboard potentiometer. LED indicator. Can be used to make a robot follow a painted line or to count rotations of a motor shaft. 1.64" x 0.42" x 0.40". Three pin header, 0.1" centers. Operates on 3.3-5Vdc. 20mA @ 5Vdc.
Spec sheet available in PDF format.
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
(This item was manufactured prior to August 31st, 2018)

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