The Arduino is an amazing piece of technology that can be used to power all kinds of gadgets, often using nothing more than a battery and various components that don’t cost more than a few bucks.

[John] wrote in to share his latest creation, an Arduino-controlled Bluetooth robot. You might remember him from one of his previous hacks, the Lawnbot 400. This time around, he has decided to scale ...

Soon, you could make everything in your life smartphone-app-controllable—or at least the things that have wires. A California-based inventor has taken to Kickstarter to fund the launch of the latest ...