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,magnifying glass,video games,xbox
By Tom M
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From the submitter:

Xbox's remote control requires ridiculously precise aim. I fixed that by gluing a magnifying glass to it.

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