This DIY project sees a joystick controller and an arcade button joined with the Hackvision library, to create your own old-school console.
The RN-9090 is an extremely well-built MIDI step sequencer that outputs pure MIDI to control external synths.
20MHz not fast enough for you? Why not overclock your Arduino to 65.3MHz? All you need is some liquid nitrogen...
Waste too much time on Facebook? Pavlov Poke sorts that problem out by electrocuting you if you do too much procrastinating!
Pretend you're James Bond, and make your way through this laser maze. The challenge is to make it through in 3 minutes.
Do you need to know wind direction, but don't want to go online to check? This Arduino wind-sock will solve your problem!
Arduino models before the Due aren't well known for being able to do audio, but this Arduino-based MP3 Alarm Clock can play lo-fi MP3s.
A rather cool yet impractical project considering how cheap phones are these days, but you can now build your own phone with an Arduino.
This paintball sentry gun can be used to stop unwelcome intruders in their tracks. It's an open-source project and powered by Arduino.
This chess game allows you to play with opponents across the world. It's automated, so the pieces move as if your opponent was there.
A useless machine is a box with a switch on top. Flick the switch, and a little hand will come out of the box and un-flick the switch.
