An ultrasonic sensor is used which detects the presence of any obstacle and sends the signal to micro-controller which changes the direction of the robot.

1: No Human Guidance is required.

2: Useful as a tracking system.

3:Useful for Industries where automatic supervision is required.

4: The modification of this logic has been specially designed for vacuum cleaner

5: just by making small changes in software this system can be used for avoiding concealed paths

6: with proper programming we can use it as a weight lifter, auto parking assistance.