Fetch-O-Matic: Automatic Ball Launcher

Several years ago I watched a viral YouTube video that starred Jerry the Dachshund, whose engineer owner had built him his very own automated ball launcher. I had two dogs at the time, and was also unemployed with some time on my hands, so I decided to try my hand... Read more »

$30 Gobo Arm: Mobile Document Camera Stand

If you’re familiar with tabletop product photography and video, you know what a pain it can be to shoot overhead shots while working on your subject. Tripods just get in the way. The usual remedy is a document camera, the modern equivalent of the overhead projector. These cameras let you... Read more »

Wind Lantern

In this project, we’ll build a small, vertical-axis wind turbine, or VAWT for short. These are not as efficient as their horizontal-axis cousins, but they are better suited to urban environments where wind can come from all different directions. Normally, when you give electricity to a motor, it spins. The... Read more »