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 cooking dual use not a kludge toaster - 5295612416
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Hear that? That's the sound of people around the world scooping burnt cheese out of their toaster after attempting this.

~NSHA