The switch is a simple but crucial component that controls the power supply to the robot. Instead of disconnecting wires or removing the battery, a toggle switch allows the user to easily turn the robot ON or OFF. In the Line Following Robot, the switch is connected between the battery pack and the circuit. This ensures safety during wiring and programming. Additionally, it prevents accidental battery drain when the robot is not in use. A well-placed switch makes the robot user-friendly, reliable, and professional, especially in classroom demonstrations and competitions.