clever

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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!

clever,DIY,Hall of Fame,plastic bag,water bottle
Via: fulgerica.com
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Oh wait, there's this new invention called ziplocks. ~Not-So-Handy Andy

awesome product,clever,lightbulb,not a kludge
By Unknown
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The perfect accessory for all my sideways ideas. ~Not-So-Handy Andy

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