line following and object avoidance bot

This project presents an autonomous mobile robot capable of line following and obstacle avoidance, built using an Arduino Uno, 5-channel IR line sensor array, L298N dual motor driver, and four BO DC motors. The IR array continuously senses the contrast between the black line and the white background, enabling the robot to adjust its direction by independently controlling the left and right motor speeds. To enhance autonomy, an obstacle detection module (ultrasonic/IR sensor) stops or reroutes the robot when an object is detected on the path. The combination of precise line tracking and dynamic obstacle avoidance makes the robot suitable for applications such as warehouse navigation, path-guided delivery, and basic AGV demonstrations.