Modular 2WD Smart Robot Car Chassis Kit for Obstacle Avoidance and Line Tracking What this kit does Provides a readytobuild 2 wheel drive robot chassis with motors and sensors for obstacle avoidance and line tracking. Combines speed encoders and an ultrasonic distance sensor to enable closedloop motion control and reliable noncontact obstacle detection. Includes a battery box to power the drive motors and electronics, so you can assemble and test on a workbench quickly. Key benefits Fast prototyping and learning: assemble a functional mobile robot quickly to test navigation algorithms, control loops, and sensor integration. Better motion control: wheel speed encoders let you monitor and regulate motor speed for smoother turns and more accurate distance estimation. Robust obstacle handling: the ultrasonic module detects objects without contact, enabling responsive avoidance behavior in indoor environments. Integrated tracking capability: builtin tracking sensors allow line following and path guidance without additional hardware. Compact and modular: designed for easy mounting of development boards and motor drivers so you can extend functionality as needed. Main features and attributes Function: 2WD mobile platform supporting obstacle avoidance, line tracking, and speed feedback via encoders. Components included: chassis base, two drive motors with speed encoders, ultrasonic distance sensor, tracking sensor module, battery box, wheels and mounting hardware. Compatibility: designed to work with common microcontroller development boards such as Arduino and Raspberry Pi and with typical motor driver modules for hobby robotics. Size and fit: compact 2 wheel drive layout suitable for tabletop projects and classroom demonstrations; mounting holes and modular layout accommodate standard boards and addon modules. Material and construction: durable chassis components and hardware made for repeated assembly and experimentation. Performance: encoder feedback supports closedloop speed control and simple odometry; ultrasonic sensor provides reliable shortrange obstacle detection for smooth avoidance maneuvers. Practical applications Classroom and labs: teach fundamentals of robotics, motor control, sensor fusion, and embedded programming with a handson platform. Hobby and prototype robots: build line following or obstacle avoiding robots as a starting point for autonomous mobile projects and algorithm testing. Rapid prototyping: integrate custom sensors or navigation code to evaluate motion control strategies and sensor configurations before full product development. What you can build Line following robot that follows floor markings while maintaining speed using encoder feedback. Obstacle avoiding rover that uses the ultrasonic sensor to detect obstacles and reroute in real time. Mobile platform for mapping or SLAM experiments using wheel odometry from encoders combined with external sensors. Why choose this kit Offers a balanced set of sensors and feedback components needed for practical robotics projects without adding unnecessary complexity. Modular design makes it straightforward to upgrade or adapt to different controllers and motor drivers. Focused on functionality and ease of integration, helping users move from assembly to programming quickly. Package contents 2WD chassis base Two drive motors with speed encoders Ultrasonic distance module Tracking sensor module Battery box and mounting hardware Wheels and fasteners Notes for integration A compatible development board and motor driver are required for full operation and are not included. Basic soldering and wiring skills are helpful for connecting sensors and power leads. Example code and wiring guides are commonly available for the referenced microcontroller platforms to accelerate setup.