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Tired of expensive disposable batteries and rechargeable AA suck. So I made a 10k mAh pack for my deadbolt. (europe.pub)
submitted 4 days ago* by to c/3dprinting@lemmy.world
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Eneloops would only last about 3 weeks. And disposable last 2 months. This door is used a lot and since it has Zwave and a door open sensor it sends info on every open.

Bonus, since it can handle the lipo AA batteries that put out 1.8v and it gives the motor more oomph I made the battery pack give 7.2v and it never sticks anymore.

This is a garage-door so its not critical access but is used a lot.

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[–] 15 points 4 days ago* (7 children)

This did make me realize I've never seen a deadbolt reversed. As in the door having just a metal framed hole, and the bolt come out of the frame. Seems like the easiest way you would be able to run power to it. (Maybe not the most structurally sound, probably depends on the door material)

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  • [–] 7 points 4 days ago* (3 children)

    I don't know. I think that if you built the receptacle right, It could probably work pretty well... Most deadbolts are pretty shit in general (rare to see people reinforce the jamb), so, even an naive attempt probably wouldn't be that much worse. For a metal door with a chunky insert, I think it would work fine. For any other kind of door, I think you'd probably need at least a frame or large plate to distribute the loads, but it's still probably wouldn't be much worse than a conventional configuration. Huh...

    I guess the main complexity (or just oddity) would be the keyhole wouldn't be on the door.

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  • [–] 6 points 4 days ago*

    Why did you mount two hydraulic pistons with holes drilled through the door frame to have double deadbolts going into a solid wood door with metal framed slots? Because I was bored and wanted to make hole in the wall and overcomplicate something that can be bypassed by opening the windows I leave open 5 feet away. Lol

    Yeah, I guess I'll add that to the reasons I could never be rich.. id do way to many stupid things for my own amusement.

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