Aid and Trade

Retail Price: $49.95 Wholesale Price:     $44.50 Your Profit: $5.45

High-tech infrared beam. Avoids objects in its path. Walks over rough terrain. Fun to watch. 2 Motors. This 6-legged robot walks in a straight line until it sees an object in its path. The robots eye, a state-of-the-art infrared beam like those used in alarm system motion detectors, sees the object and alerts the motor control circuits which alter the robots course to avoid the object. The book discusses infrared beams, operational amplifiers, photodetectors, motor control theory, and more. Illustrated assembly instructions, schematic and block diagrams, quiz and troubleshooting guide complete the book. Requires one 9v and four aa batteries (not included).