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!

By Unknown
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It's also the only way to get air inside. Bullet-proof glass is intense.

~NSHA

window handles,security,window fail,home security,burglars
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Nice windows! Wait a minute... something's not right here...

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