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!

cars,locked up,padlock,security
By -Ghost-
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I think the biggest kludge is the steering wheel on the other side. How does that happen???

~NSHA

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

college,lock,locked up,rubber band,stupidity
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It took him a while for him to understand why all the kids were laughing at him on his first day of engineering class. ~Not-So-Handy Andy

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