security

Nah, it's still more creepy than sad. ~Not-So-Handy Andy

What is it again? Oh right, common sense.

~NSHA

And they'd really want your rusted, Russian-made monstrosity to begin with.

~NSHA

But then I saw this and just gave up. No chance.

Putting the "style" in turnstile, amiryte?

Nailed it!

They were so close to stealing the whole extension cord.

~NSHA

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!