"Alright Man, Just Smash the Front Window and Grab the Goods!"

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anti-theft,burglars,car security,criminals,security,theft
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"Oh, wait a second dude, they've got the sticker." "Damn, bro! Another one?"

Security is Tight!

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security,lock,gate
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There's no way anyone is getting in here. Don't even try.

Probably The Best Use For a Chastity Belt

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dual use,locked up,overkill,security
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Let me just unlock the gate, I'll be there in 2 hours after I figure out which key goes where. ~NSHA

Secret Knock Detector

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Steve Hoefer at Grathio labs shows off his Arduino based door opener, which responds to knocks on the door bye timing the gaps between the sounds. If the gap matches the programmed knock, it unlocks. Let's never use keys again!

Know a little bit about Arduino and care to make your own? Check out his Instructables post!