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Garage Door Sensor | Electronics Lab

Garage Door Sensor
Version 1 - Last update: Oct 4, 2015

Actually this is a car bumper sensor. The lights would blink red in the car bumper is in the say of the garage door. Although the garage door system has a sensor, the sensor beam is below the bumper. (And that's how I scratched my bumper.)

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License: CC-BY-SA 3.0
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