This book contain following information related to: 1. 8051 Microcontroller. 2. Sensors. 3. Line follower Robots. 4. Co-operative scheduling. 5. Relay Race Robot. 6. Hardware Design. 7. Software with simulation. This book says how to design an robot using 8051 microcontroller to perform relay race and line following using cooperative scheduling and also give information about its working algorithm with software code as well as simulator snaps.