locked up

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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!

bicycle,bike,dual use,handcuffs,locked up,police
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Correct me if I'm wrong, but I'm pretty sure your evidence bag should be locked up as well. At the very least, protect your 32oz soda! ~Not-So-Handy Andy

car windows,cars,dangerous,duct tape,locked up
By Ebolavirus
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Especially if I just reversed into another car, and couldn't find the key to the trunk. Which is where I keep my proof of insurance. ~Not-So-Handy Andy

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