Obstacle Avoiding Robot

Build a robot that senses obstacles and turns away automatically.

Project Plan

The ultrasonic sensor measures distance. If an object is too close, the robot stops, looks for a safer direction, and turns.

ArduinoHC-SR04L298NIntermediate

Steps

  1. Test the ultrasonic distance reading.
  2. Test motor forward, backward, left, and right.
  3. Stop when distance is below 20 cm.
  4. Turn and continue moving.