New answers tagged garage-door-opener
Has some one changed the codes? Match the remote to the operator setting, or reset both.
I think you might be over-thinking this... Having some form of motion-capture still won't help if someone is planning on making a shopping trip in your garage while you're out. If your garage door is opening when you're not there, the likely reason is probably that someone else's remote is using the same frequency. Either way, there's probably a way to ...
If you're into DIY; you could easily create a setup with arduino, you can check if the door is open with infrared distance sensor or a magnetic switch. Or you could just create a circuit that is closed when the door is closed and feed that information into an arduino? http://www.robotshop.com/blog/en/arduino-5-minute-tutorials-lesson-4-ir-distance-sensor-...
It looks like this one which has a manual, which says: Remove the push button cover by gently prying off the top edge with a screwdriver
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