Cannon Hacks

Motion Activated Water Cannon

Motion Activated Water Cannon

By combining the technologies of the Arduino and a simple motion sensor, you can create a water cannon which sprays a target when it senses motion. It uses a window washer pump and a servo for aiming. See more details and code. View the Full...
Build Your Own Vortex Cannon

Build Your Own Vortex Cannon

We’ve covered some superb giant smoke ring generators in the past, and here’s a smaller, simpler version you can build in a few hours. The smoke-ring shooting cannon is powered by a 12″ speaker which is boosted by an amplifier. As the...
How to: Build a Gigantic DIY Pumpkin Cannon

How to: Build a Gigantic DIY Pumpkin Cannon

Straying slightly from our usual daily doses of electronics and hacking, today we’re getting into the spirit of Fall by showing off some extraordinary pumpkin cannons.  First up is the world’s most powerful cannon capable of launching a...