1) Entertainment robot 
The Robopet is a robotic dog produced by WowWee that is based on the biomorphic work of Mark W. Tilden. The Robopet has IR, audio and tilt sensors and is able to wander around autonomously detecting and reacting to objects and sounds. It also performs random `tricks` such as howling, begging, rolling over and playing dead. == Hardware and Softwa.....