A DIY 4WD line following robot car kit designed for hands-on robotics learning, Arduino programming, and STEM education. Equipped with dual-sensor technology, this robot can precisely track lines on the ground and automatically detect and steer clear of obstacles in its path, making it an excellent practical tool for students, beginners, and tech hobbyists.

Component List:-

1. 4WD Wooden/MDF Robot Car Chassis Set (Top & Bottom Plates)
2. 4 × High-Torque DC Geared Motors
3. 4 × High-Grip Rubber Wheels
4. Arduino Uno R3 Compatible Controller Board
5. L298N Dual H-Bridge Motor Driver Module
6. HC-SR04 Ultrasonic Sensor Module
7. Infrared (IR) Line-Tracking Sensor Module Set
8. 400-Tie Point Mini Solderless Breadboard
9. 2× 18650 Battery Holder with Integrated Rocker Switch
10. Premium Multicolor Jumper Wires (Male-to-Male / Female-to-Female)
11. Complete Mounting Hardware Set (Screws, Nuts, and Spacers)

Features:-

1. Dual-mode functionality (Line Following & Obstacle Avoidance)
2. Stable and powerful 4-wheel drive (4WD) system
3. Rugged, dual-layer eco-friendly wooden/MDF chassis
4. Solderless breadboard design for quick and easy prototyping
5. Arduino compatible platform for flexible coding
6. Integrated battery power system with a dedicated ON/OFF hardware switch
7. High-traction rubber wheels for smooth multi-surface movement
8. Expandable layout for adding extra sensors and modules

Applications:-

1. STEM and school robotics curriculum
2. Hands-on Arduino programming and C/C++ training
3. Electronic circuit building and sensor integration practice
4. Autonomous vehicle and algorithms prototyping
5. Science fairs, college engineering projects, and exhibitions
6. Interactive DIY electronics and weekend maker projects