What is Clusterbot?  He is a small, affordable, autonomous Arduino-powered robot.  He can move, see, avoid obstacles, and makes a melodic chirping sound sometimes. Clusterbot was my first Arduino project, and I think he makes a great project for a beginner.  While building Clusterbot you will learn how to use motor controllers, ultrasonic rangefinders and how to program an elementary robotic platform.  The ...