The robot itself measures about 19 centimeters in diameter (about 7.5 inches) and 10 centimeters (around 4 inches) tall, and it’s comprised of two stacked Arduino boards on wheels.

I'm a sucker for chess technology stories, so I've been meaning to flag this one up for a while - the Arduino team have taken a look at the history of chess technology - in various forms of automation ...

The Arduino micro controller can be easily removed from the robot, and it is placed on the prototyping board so that you can program to your heart's content. It easily connects to a PC or laptop ...

Arduino Robot is a circular device with a diameter of about 7.5 inches, and it measures about 3.9 inches high. The kit is fully open source and can be programmed using the Arduino IDE.