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 ...

There are plenty of Arduino-based robots in the world, but actually building one is a bit tough if you're not familiar with Arduino programming. But a company called ArcBotics has created an ...