Using a Raspberry Pi and a camera, you can identify which friend is at your door and have the system announce them by name.
With a Raspberry Pi, you can create an A.I. driven alarm system that turns on sprinklers and sirens when a thief takes your packages.
Use your Raspberry Pi and an Internet connection to play an air horn any time your favorite team scores a goal.
Receive messages from the upside down (or anyone with a web browser) that light up a series of Christmas lights on your wall.
Stop yourself from visiting social media when you should be getting work done by installing a Raspberry Pi-powered DNS server that turns sites on and off with a switch.
Use a Raspberry Pi with image recognition to determine when your cat or dog approaches the door and wants to be let out.
With a Raspberry Pi, a speaker and some wires, you can play a sound any time someone opens or closes a door.