locked up

cars,locked up,steering wheel,the club
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But unlike his brother, he unfortunately does not double as a zombie weapon.

~NSHA

door knob,dual use,locked up,scissors
By Unknown
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Proof that running with scissors can sometimes yield positive results.

~NSHA

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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!

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