Spend the $16 on a padlock and lock the garage door.
Job done.
DNA
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- posted
17 years ago
home project (garage door open detector)
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- Vote on answer
- posted
17 years ago
Well, one thing you could do is bury a cable alongside the footpath, but what'd be more fun is an in-or-out detector, which, using PIR or sonar, detects when someone is leaving the garage without having closed the door, and blares at about 90 dBa, 'CLOSE THE GARAGE DOOR!!!!" ;-)
Good Luck! Rich