car sensors

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Lionel
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Joined: Feb 09, 2017
car sensors
February 9, 2017 - 10:22pm

is it possible to design a 180 degree fan shape led light beam from a bumper of a car that will trigger an alarm when the light beam is interrupted ?

 or has the light beam and the sensor have to work off independent circuits?

sorry for such a simple question

Thanks

Lionel