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!

closed doors dual use locked up Professional At Work - 4519435008
By NickyVeee
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Alright guys, we need to talk about your behavior. Cup's been telling me you touch him constantly. ~Not-So-Handy Andy

cars locked up padlock security - 4952212992
By -Ghost-
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I think the biggest kludge is the steering wheel on the other side. How does that happen???

~NSHA

cars locked up security wheels - 4989724416
By -Ghost-
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And they'd really want your rusted, Russian-made monstrosity to begin with.

~NSHA

bicycle bike dual use handcuffs locked up police - 4777163264
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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