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Garage Door Deadbolt Automatic Lock

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Uploaded by on Jul 30, 2010

Built a electric deadbolt system for my garage door using solenoids.

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Science & Technology

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  • Liftmasters model 3800 direct drive opener uses this same kind of idea but on a low voltage system.

  • dude!!! awesome job with that retractable solenoid bolt on the garage door. i've been looking all over for that solenoid. can you guide me in the right direction and tell me where to find it. i built some nice doors but they really need a bolt to keep the wind from swinging them open.

    thanks again.

  • I am curious as to what would happen if you left the door open and the light goes off... Does it then engage the lock which will then open again when you close the garage and lock when the light goes out? I'm wondering if a latching relay might solve this....

  • In a power failure how do you unlock the door to open it manually?

  • Where would someone find solenoids like that to create the same setup?

  • thats a great setup. hope you dont mind if I copy it. Whats the stroke like on that solenoid? I can easily get ones with a 15mm stroke which I think would probably be enough.

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