A Practical Starting Point for Mobile Robotics
The 2WD Smart Robot Car Chassis Kit provides the mechanical foundation for building a compact, programmable robot car. Its two-wheel-drive arrangement uses two geared DC motors to drive the main wheels, while a supporting wheel provides stability at the front or rear of the chassis depending on assembly.
The kit includes two 200 RPM BO geared motors and 65 mm wheels, making it suitable for hands-on projects involving motor control, differential steering, sensors and embedded programming.
The acrylic chassis provides a platform for mounting a development board, motor driver, battery holder and additional electronics. This makes it suitable for experimenting with different robot configurations without having to design the mechanical platform from scratch.
The 2WD configuration is particularly useful for learning the fundamentals of differential-drive robotics. By independently controlling the left and right motors, a controller can be programmed to move the robot forward, reverse, turn and follow programmed movement patterns.
Use it as a foundation for projects such as line-following robots, obstacle-avoidance robots, Bluetooth-controlled cars, Wi-Fi robots and sensor-based mobile platforms.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | 2WD Smart Robot Car Chassis Kit |
| Drive Configuration | Two-Wheel Drive (2WD) |
| Drive Method | Differential Drive |
| Chassis Type | Acrylic Robot Chassis |
| Number of Drive Motors | 2 |
| Motor Type | BO Geared DC Motor |
| Motor Operating Voltage | 3–6V DC |
| Motor Rated Speed After Reduction | 200 RPM |
| Motor Rated Torque | 0.8 kg-cm |
| Motor Shaft Length | 8.5 mm |
| Motor Shaft Diameter | 5.4 mm round side / 3.5 mm flat side |
| Gearbox Shape | Straight |
| Main Wheels | 2 |
| Wheel Diameter | 65 mm |
| Supporting Wheel | 1 |
| Battery Holder | Included |
| Motor Brackets | Included |
| Mounting Hardware | Included |
| Development Board | Not Included |
| Motor Driver | Not Included |
| Sensors | Not Included |
| Batteries | Not Included |
| Assembly | Required |
| Quantity | 1 Kit |
Technical Specification Pointer
2WD differential-drive platform with 2 × 200 RPM BO geared motors, 65 mm drive wheels and 3–6V DC motor operation.
Key Features
- Two-Wheel Drive: Two independently driven wheels provide the basic mechanical arrangement for differential-drive robots.
- 200 RPM BO Motors: Includes two BO geared DC motors rated at 200 RPM after reduction.
- 65 mm Wheels: Two drive wheels provide the main rolling interface for the robot.
- Acrylic Chassis: Provides a structured platform for mounting electronics and mechanical components.
- Supporting Wheel: Helps maintain chassis stability while the two drive wheels provide propulsion.
- DIY Assembly: Allows students and hobbyists to build and understand the mechanical structure of a mobile robot.
- Expandable Platform: Suitable for adding motor drivers, sensors, controllers and communication modules.
- Robotics Learning Platform: Useful for introducing motor control, differential steering and autonomous-robot concepts.
Recommended Applications
- Arduino robot car projects
- ESP32 mobile robot projects
- Raspberry Pi robotics projects
- Bluetooth-controlled robot cars
- Wi-Fi robot cars
- Line-following robots
- Obstacle-avoidance robots
- Sensor-based mobile robots
- Autonomous navigation experiments
- Differential-drive robotics projects
- DIY electronics projects
- STEM robotics projects
Educational Applications
Suitable for practical learning in:
- DC motor control
- Gear motors
- Differential-drive mechanisms
- Robot chassis assembly
- Motor-driver integration
- Sensor integration
- Microcontroller programming
- Wireless robot control
- Autonomous navigation concepts
- Embedded systems
- Basic mobile robotics
Project Possibilities
Use the platform as the base for projects such as:
- Bluetooth-controlled robot car
- Wi-Fi-controlled robot
- Line-following robot
- Obstacle-avoidance robot
- Ultrasonic sensor robot
- Remote-controlled mobile robot
- ESP32 IoT robot
- Raspberry Pi mobile platform
- Sensor-based autonomous vehicle
- Programmable differential-drive robot
Additional electronics and power components are required depending on the project.
Compatibility Notes
The chassis can be integrated with development boards such as Arduino, ESP32 and Raspberry Pi, provided the selected components can be mechanically mounted and electrically interfaced appropriately.
A suitable motor driver is required to control the DC motors from a development board. The motors should not be connected directly to standard microcontroller GPIO pins.
The power source should be selected according to the electrical requirements of the motors and motor driver.
What’s Included
- 1 × Acrylic chassis
- 2 × 65 mm wheels
- 2 × BO geared motors
- 1 × Supporting wheel
- 2 × Coded disks
- 1 × Rocker switch
- Motor mounting brackets
- M3 screws
- M3 nuts
- Mounting spacers / hardware
Important Notes
- This is a 2WD robot chassis and drive kit, not a complete programmable robot.
- Arduino, ESP32, Raspberry Pi and other development boards are not included.
- Motor driver is not included.
- Sensors and wireless modules are not included.
- Batteries are not included.
- The included motors are specified for 3–6V DC operation.
- Use an appropriate motor driver and power supply for the motors.
- Do not connect the motors directly to microcontroller GPIO pins.
- Assembly is required.
- Motor speed and robot performance will depend on the power source, motor driver, total load, surface and project configuration.
- Motor specifications are generally stated under no-load conditions unless otherwise specified.
Product Summary
The 2WD Smart Robot Car Chassis Kit is a practical mechanical platform for building programmable mobile robots. With two 200 RPM BO geared motors, 65 mm wheels, an acrylic chassis and supporting hardware, it provides a straightforward starting point for Arduino, ESP32, Raspberry Pi and other differential-drive robotics projects.
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