The Self Balancing Robot Car Chassis Kit using DC Encoder Gear Motors is a robust two-wheel robotic platform designed for building self-balancing robots, advanced robotics projects, PID control systems, and autonomous robotic vehicles. The chassis is designed around JGA25-370 DC encoder geared motors and 65mm blue robot wheels, providing a larger and stable platform for self-balancing applications.
The kit is available in two variants: Complete Kit with Hardware and Basic Chassis Kit without Electronics. The complete version provides the major electronic and mechanical components required to build a self-balancing robot, including an Arduino Nano, 12V LiPo battery, L298N motor driver, MPU6050 sensor, medium breadboard, jumper wires, JGA25-370 DC encoder geared motors, 65mm blue wheels, acrylic chassis, spacers, and mounting hardware.
The encoder motors provide additional feedback information about motor rotation, making them particularly useful for advanced robot control, accurate movement, speed monitoring, and closed-loop control applications.
The basic version is intended for users who already have their own electronics and includes only the acrylic chassis, spacers, JGA25-370 DC encoder geared motors, 65mm blue wheels, and mounting hardware.
Key Features
- Designed for Two-Wheel Self-Balancing Robot Projects
- Robust Acrylic Robot Chassis
- Includes 2 × JGA25-370 DC 280RPM Encoder Geared Motors
- Includes 2 × 65mm Blue Robot Wheels
- Motor Encoders Provide Rotation Feedback
- Larger Wheels for Stable Movement
- Available With or Without Electronic Hardware
- Complete Version Includes Arduino Nano
- MPU6050 Accelerometer & Gyroscope Included in Complete Version
- L298N Motor Driver Included in Complete Version
- 12V LiPo Battery Included in Complete Version
- Suitable for PID and Closed-Loop Control Projects
- Ideal for Robotics, STEM, and Engineering Projects
- Easy to Assemble and Customize
Technical Specifications
Mechanical Components
- Product Type: Self-Balancing Robot Chassis Kit
- Drive Configuration: 2-Wheel Drive (2WD)
- Chassis Material: Acrylic
- Motor Type: JGA25-370 DC 280RPM Encoder Geared Motors
- Motor Quantity: 2
- Motor Feedback: Built-In Encoder
- Wheel Type: Blue Robot Wheels
- Wheel Diameter: 65mm
- Wheel Quantity: 2
- Spacers: Included
- Mounting Hardware: Included
- Chassis: Acrylic DIY Construction
Arduino Nano, MPU6050, L298N motor driver, 12V LiPo battery, medium breadboard, and jumper wires are not included in the basic version.
Working Principle
A self-balancing robot uses the MPU6050 accelerometer and gyroscope to continuously measure the robot’s tilt angle and angular movement.
The Arduino Nano processes the MPU6050 sensor data and determines whether the robot is leaning forward or backward. It then calculates the required correction and controls the L298N motor driver to operate the two JGA25-370 encoder geared motors.
The built-in motor encoders provide feedback about motor rotation. This additional feedback can be used to monitor wheel movement and implement more precise closed-loop motor control.
For example:
- Robot leaning forward: Motors move forward to bring the wheels underneath the robot.
- Robot leaning backward: Motors move backward to correct the tilt.
- Robot approximately upright: Motor speed and direction are continuously adjusted to maintain balance.
- Encoder feedback: Provides information about motor/wheel rotation for improved movement and control.
A suitable PID control algorithm can combine the MPU6050’s orientation information with motor control to continuously calculate the correction required to keep the robot upright.
Encoder Motor Advantage
Compared with a standard DC geared motor, an encoder-equipped motor can provide feedback about motor rotation.
This makes the kit suitable for projects requiring:
- Motor speed measurement
- Wheel rotation monitoring
- Distance estimation
- Accurate movement control
- Closed-loop motor control
- Improved balancing algorithms
- Differential drive control
The exact encoder output and pulses-per-revolution specifications depend on the particular JGA25-370 encoder motor version supplied.
Complete Kit Components
The complete version contains:
- 1 × Acrylic Self-Balancing Robot Chassis
- 2 × JGA25-370 DC 280RPM Encoder Geared Motors
- 2 × 65mm Blue Robot Wheels
- 1 × Arduino Nano
- 1 × MPU6050 Accelerometer & Gyroscope Module
- 1 × L298N Motor Driver Module
- 1 × 11.1V LiPo Battery
- 1 × Medium Breadboard
- Jumper Wires
- Spacers
- Screws, Nuts, and Mounting Hardware
Basic Chassis Kit Components
The basic version contains:
- 1 × Acrylic Self-Balancing Robot Chassis
- 2 × JGA25-370 DC 280RPM Encoder Geared Motors
- 2 × 65mm Blue Robot Wheels
- Spacers
- Screws, Nuts, and Mounting Hardware
Applications
- Self-Balancing Robots
- Two-Wheel Balancing Robots
- Arduino Nano Robotics Projects
- Encoder Motor Projects
- MPU6050 Projects
- PID Control Experiments
- Closed-Loop Motor Control
- Autonomous Robots
- Robotics and Automation
- STEM Education
- Engineering Student Projects
- Control Systems Experiments
- DIY Robotics Projects
- Robotics Competitions
Advantages
- Encoder motors provide additional motor feedback
- Suitable for advanced closed-loop control
- Stable two-wheel robot platform
- Durable acrylic construction
- 65mm wheels provide a larger and stable rolling platform
- Complete and basic versions available
- Complete version includes the major electronics required for development
- Excellent platform for learning PID control and sensor feedback
- Suitable for Arduino Nano-based projects
- Can be customized and upgraded
Usage Tips
- Secure both JGA25-370 encoder motors firmly to the chassis.
- Ensure both 65mm wheels are properly aligned.
- Mount the MPU6050 securely so it does not move during operation.
- Keep the robot’s center of gravity suitable for balancing.
- Connect the encoder outputs according to the specific motor’s wiring configuration.
- Verify the L298N motor driver and encoder wiring before applying power.
- Make sure the battery voltage is compatible with the motors, driver, and overall system.
- Use appropriate PID parameters and tune them according to the robot’s weight and motor response.
- Encoder feedback can be incorporated into the control program for improved speed and movement control.
- Check that both wheels rotate freely without mechanical obstruction.
- Perform initial testing in an open area where the robot can safely fall.
Available Variants
Complete Self-Balancing Robot Kit with Hardware
Includes the Arduino Nano, 12V LiPo battery, L298N motor driver, MPU6050, medium breadboard, jumper wires, acrylic chassis, spacers, JGA25-370 DC encoder geared motors, 65mm blue wheels, and mounting hardware.
Basic Self-Balancing Robot Chassis Kit without Hardware
Includes only the acrylic chassis, spacers, JGA25-370 DC encoder geared motors, 65mm blue wheels, and mounting hardware.
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