Specifications Mechanical Structure Simple and easy to installTachometer 20 wire with photoelectric gun systemPower Supply Four AA battery compartment with switchDriver Module L298NControl Unit 51 control unitTracking Module Four tracking modules Features 1 Easy Mechanical AssemblyBoth the 2WD and 4WD smart car kits feature a simple mechanical structure that is straightforward to assemble This makes them ideal for beginners and hobbyists who want to start their journey into robotics without the complexity of a difficult build process 2 Integrated Tachometer SystemEach car comes equipped with a 20 wire tachometer paired with a photoelectric gun system This setup allows for precise speed and distance measurement contributing to the creation of a closed loop system that ensures accurate movement and tracking 3 Convenient Power SupplyThe smart cars are powered by four AA batteries housed in a compartment equipped with an easy to use switch This highly integrated power system ensures that the car can be started and stopped effortlessly adding to the convenience of use 4 Comprehensive Driver Module and Tracking SystemThe inclusion of the L298N driver module and four tracking modules means the cars are ready for advanced functions like obstacle avoidance and line following right out of the box Paired with the 51 control unit these components create a seamless and efficient system for various applications 5 Highly Integrated DesignThe overall design of both kits emphasiz