A cute Arduino powered spherical quadruped robot has been created by Gregory Leveque, using an Arduino Nano, along with a 16-channel servo driver board.

We’re all pretty well-acquainted with the obstacle avoiding robot. These little inventions use a proximity sensor to detect an object in front of the robot, then circumvent the object accordi… ...

It’s an Arduino board that has rows of holes at either end to make it LEGO compatible. It also carries an LM293D motor controller and [Sath02] added an XBee module for wireless control.