Dave Lynch owns a guitar workshop in Sacramento, California. One day, the bell on his front door broke off. Since he was in a guitar workshop, he made an appropriate replacement: a guitar mounted above the door.Over the...

Keith Jin didn't like how much damage his dog Pebble scratched into the doors of his house whenever he wanted out. So he invented a portable, mountable doorbell that his dog can use. Now Pebble has Mr. Jin trained to ope...

An intrepid Nintendo fan hacked a wireless doorbell together with a NES controller. It looks really cool, I just wonder which button actually makes the door ring. Link...