Smart 2WD Robot Car Chassis Kit for Obstacle Avoidance and Line Tracking A compact, readytointegrate kit designed for hobbyists, students, and makers who need a practical platform for learning and prototyping mobile robotics. This singlepiece kit combines motion, sensing, and power components so you can focus on programming and testing instead of parts sourcing. Key benefits Readytouse functionality: Includes motors with speed encoders and an ultrasonic sensor to enable obstacle avoidance and distance sensing out of the box. Precise motion control: Builtin speed encoders provide feedback for more consistent speed and smoother turns, improving navigation accuracy. Simplifies prototyping: A 2WD chassis and onboard battery box let you power the robot independently and mount controllers and sensors quickly. Versatile integration: Designed to work with common microcontroller platforms and motor controllers, making it easy to add your preferred control board and sensors. Saves development time: Combines essential hardware in one kit so projects move from idea to testing faster. What it does Obstacle avoidance: Ultrasonic module detects objects and measures distance to avoid collisions. Tracking support: Chassis and motor setup supports line tracking and basic autonomous navigation routines. Speed feedback: Encoders on the motors enable closedloop control or encoderbased odometry for improved movement precision. Mobile power: Included battery box provides an onboard power source for motors and sensors. Important attributes Function: Obstacle avoidance and tracking platform with speed encoder feedback and onboard power. Drive: Twowheel drive configuration for straightforward control and compact size. Sensors: Ultrasonic distance module for reliable shortrange detection. Feedback: Motor speed encoders for realtime speed and position feedback. Power: Integrated battery box for portable operation. Compatibility: Compatible with common microcontroller platforms and standard motor driver modules, suitable for integration with development boards. Typical applications Education and training: Build lessons or lab exercises to teach sensor integration, PID speed control, and basic robotics concepts. Prototype autonomous robots: Quickly test obstacle avoidance algorithms, encoderbased odometry, and linefollowing behaviors. Hobby and maker projects: Create small mobile projects such as mapping demos, interactive exhibits, or remotecontrolled vehicles with sensing capabilities. Package contents 1 piece 2WD robot car chassis with motors and speed encoders 1 piece ultrasonic distance sensor module 1 piece battery box for onboard power Why users choose this kit This kit provides the core mechanical and sensing components needed to develop and test mobile robot functions without requiring extensive parts sourcing. The inclusion of speed encoders and an ultrasonic sensor makes it practical for projects that require both motion feedback and obstacle detection, while the 2WD chassis and battery box keep the platform compact and selfcontained. Suitable for classroom projects, maker workshops, and prototyping where a straightforward, modular robotics platform is required.