No Sheepdog? No Problem!

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Here we see a guy using PA system to herd cattle. Not all fixes are duct tape and zipties!

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!

I've Been Doing It Wrong for So Many Years!

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By Unknown
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How was I supposed to figure that out? What am I? Some kind of candy wizard?