Stay Where I Can See You

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locked up,school bus,security
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Be careful, there are schoolchildren about.

~NSHA

Strength In Number Twos

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bad puns,bathroom kludge,dual use,pencil,security
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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

Secret Knock Detector

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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!