Garage Door Sensor Rear Bumper Detection
I need a small tx 4-5volt @ 2ma ..
I'm adding a second garage door rcvr at bumper level
The intent is to detect when the rear bumper clears and turn
on a large STOP light ....
I don't want to run wire from door to front of garage...
I thought I could key a low power carrier and detect it ...
I'm looking for a very simple way to do this ,, but with the low current
limit its getting difficult..
any suggestions would be appreciated....
It's a garage, so just run a wire. Way cheaper, especially if you value your time at all. There's lots of beam sensors out there, if you've got a legal garage door opener it should already have a beam sensor. Just move it to bumper level and hook it up to the light.
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