security

security lock gate - 6970393344
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There's no way anyone is getting in here. Don't even try.

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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!

bad puns bathroom kludge dual use pencil security - 4963804928
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Did I just make a pun about writing utensils and poop, based on a popular idiom? Yes. Yes I did. You're welcome.

~NSHA