The Gertboard is an expanding board for the $35 Raspberry Pi which lets the little computer interact with the world around it. While you can use the Pi to run a full desktop style operating system, ...

When it comes to cleaning your hands, [Arnov Sharma] is not messing around. He built an automatic soap dispenser using ultrasonic sensors, a stepper motor for activating the pump, and 3D printed ...

Deep freezers are a great thing to have, especially when the world gets apocalyptic. Of course, freezers are only good when they’re operating properly. And since they’re usually chillin’ out of sight ...