Arduino Obstacle Avoiding Robot Car – Complete Diy Robotics Kit

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# Arduino Obstacle Avoiding Robot Car – Complete DIY Robotics Kit Build an autonomous obstacle-avoiding robot car using an Arduino Uno, ultrasonic distance sensor, and servo motor. The robot automatically detects obstacles in its path, scans the surroundings, and changes direction to avoid collisions. The ultrasonic sensor is mounted on a servo motor at the front of the robot, allowing it to scan different directions and make movement decisions based on the detected distance. This project is ideal for engineering students, robotics beginners, STEM learning, college mini projects, exhibitions, and DIY robotics enthusiasts. ## Features * Automatic obstacle detection * Autonomous movement * Ultrasonic distance sensing * Servo-mounted ultrasonic sensor * Automatic direction selection * Forward movement with obstacle avoidance * Arduino Uno based control * L298N motor driver * 2-wheel drive system * Circuit diagram included * Source code included * Step-by-step assembly guidance * Beginner-friendly design * Expandable robotics platform ## Hardware Included * Arduino Uno * L298N Motor Driver Module * HC-SR04 Ultrasonic Sensor * Servo Motor * 2 × BO DC Motors * 2 × Drive Wheels * Front Caster Wheel * 2-Battery Holder * 2 × Batteries * Power Switch * Robot Car Chassis * Connecting Wires * Required mounting components ## What's Included * Complete obstacle-avoiding robot car kit * Circuit diagram * Source code * Wiring guide * Step-by-step assembly instructions * Programming guide * Project documentation * Basic troubleshooting guidance * Technical assistance ## How It Works The Arduino Uno controls the complete robot. The ultrasonic sensor continuously measures the distance between the robot and objects in front of it. When an obstacle is detected within the configured distance, the Arduino stops or changes the movement of the motors. The servo motor rotates the ultrasonic sensor to scan different directions, allowing the robot to determine a suitable direction and continue moving while avoiding obstacles. ## Suitable For * Engineering students * Diploma and Polytechnic students * Robotics beginners * Arduino learners * College mini projects * STEM projects * Robotics exhibitions * DIY electronics enthusiasts * Embedded systems learning ## Technical Specifications * Microcontroller: Arduino Uno * Motor Driver: L298N * Distance Sensor: HC-SR04 Ultrasonic Sensor * Servo Motor: Front-mounted scanning servo * Motors: 2 × BO DC Motors * Drive System: 2-Wheel Drive * Power Supply: 2 × Batteries * Battery Holder: 2-Cell Battery Holder * Programming: Arduino / C++ * Control Mode: Autonomous ## Future Upgrade Possibilities The robot can be upgraded with additional sensors and modules for features such as line following, Bluetooth control, WiFi control, object tracking, IoT monitoring, and more advanced autonomous navigation. ## Price ₹3,300 A complete hands-on robotics project for learning Arduino programming, ultrasonic sensing, servo control, motor control, and autonomous obstacle avoidance.