security

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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!

dual use holding it up rake security - 5630183424
By M
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From the submitter:

It's actually a clever theft deterrent - it shows thieves you have nothing worth stealing.

cars holding it up security - 5491970560
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From the submitter

Just happy this isn't my car. It was actually being driven. The driver used a rope to keep the door closed while driving.

locked up Professional At Work security - 5126783232
By Unknown
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They were so close to stealing the whole extension cord.

~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