Adafruit IR Break Beam Sensor - 5mm LEDs [ADA2168]

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About This Simple way to detect motion Faster than PIR sensors and allow better control of where you want to detect the motion Works up to 20 inches Open collector transistor outpu t receiver Overview Brand : Adafruit Color : Black, Multicolor Power Source : Corded Electric Item Weight : 0.02 Pounds Maximum Range : 20 Inches Show more