1. Introduction
This manual provides detailed instructions for the assembly, operation, and expansion of the Yahboom DIY 4-Wheel Drive Smart Car Chassis Kit, V1 Separate Chassis model. This kit is designed for electronics enthusiasts, students, and educators interested in robotics, embedded systems, and programming platforms like Raspberry Pi, UNO R3, Jetson, and MSPM0.
The V1 chassis features an all-metal aluminum alloy frame, providing durability and a compact design. It is equipped with 310 encoder DC reduction motors, allowing for precise speed control and directional movement. The chassis offers extensive expandability with multiple mounting holes, making it suitable for integrating various robot accessories and development boards.
Figure 1.1: Overview of the Yahboom V1 Chassis and available kit configurations.
Figure 1.2: The V1 chassis with key dimensions (19.5cm length, 14.2cm width, 4.5cm height) and a maximum load capacity of 4.5kg.
2. What's in the Box
The Yahboom V1 Separate Chassis Kit includes the following components:
- Aluminum alloy chassis: 1 unit
- 310 encoder motor: 4 units
- 310 motor bracket: 4 units
- 48mm rubber tire: 4 units
- PH2.0-6Pin to DuPont line (20cm): 4 units
- Screwdriver: 1 unit
- Velcro strap: 1 unit
- Several screws (various types for assembly)
Figure 2.1: Detailed view of the chassis dimensions and the complete shipping list for the V1 Separate Chassis kit.
3. Setup and Assembly
The V1 Separate Chassis kit requires assembly. Follow the steps below for proper construction. Detailed installation videos and 3D model files are available as supplementary resources to guide you through the process.
3.1 Motor and Wheel Installation
- Attach the 310 motor brackets to the chassis using the provided screws.
- Mount the 310 encoder motors into the brackets.
- Secure the 48mm rubber tires onto the motor shafts. Ensure a firm fit.
3.2 Chassis Assembly
Connect the motor assemblies to the main aluminum alloy chassis. The chassis is designed with specific mounting holes for easy alignment. Use the provided screwdriver and screws to secure all components.
Figure 3.1: Visual representation of the installation steps for the mini car chassis, including motor bracket and universal trolley bracket installation.
Figure 3.2: Diagram illustrating the motor shaft and tire clearance, along with a schematic of chassis hole positions for accessory installation.
4. Operating Instructions
Once assembled, the chassis can be controlled using various methods, typically involving a motor driver board and a microcontroller (not included in this separate chassis kit). The 310 encoder motors allow for precise speed control, and the direction of movement is determined by the speed difference between the motors on opposite sides.
4.1 Bluetooth Remote Control APP
Yahboom provides a dedicated Bluetooth (BT 5.0) remote control application for both iOS and Android devices. This APP facilitates easy control of the robot car once a compatible motor driver and control board are integrated.
- For Android APK, refer to the product information or official Yahboom website.
- For iOS, search for "YahBoomRobot" in the App Store.
Figure 4.1: Example interfaces of the Yahboom Bluetooth remote control APP, showing main control, sensor status, and mode selection.
Figure 4.2: Detailed view of the Bluetooth remote control APP, highlighting its support for iOS/Android and various control interfaces.
5. Expansion Capabilities
The V1 chassis is designed with versatility in mind, featuring multiple mounting holes to accommodate a wide range of electronic components and expansion boards. This allows users to customize their robot for various projects and applications.
5.1 Motor Driver Module
A 4-channel encoder motor driver module (available separately or in other kit versions) can be easily integrated. This module simplifies motor control and communication with a main control board via IIC/serial port.
Figure 5.1: Diagram of the 4-channel encoder motor driver module, showing its various interfaces and connections.
Figure 5.2: Detailed diagram of the 4-channel encoder motor driver module, labeling each pin and interface for easy identification.
5.2 MSPM0 Robot Expansion Board
The MSPM0 robot expansion board (available separately or in other kit versions) can be quickly connected to the chassis. This board simplifies wiring and allows for integration with a variety of sensors and modules, supporting the MSPM0G3507 development board.
- Features include multiple competition-level accessory connections, wide voltage power supply, 40pin GPIO header, anti-reverse connection protection, onboard buzzer, custom buttons, and various tracking/visual module interfaces.
Figure 5.3: Diagram of the MSPM0 robot expansion board, highlighting its numerous interfaces and features.
Figure 5.4: Detailed diagram of the MSPM0 robot expansion board, with numbered components and a list of its product features.
6. Maintenance
To ensure the longevity and optimal performance of your Yahboom Smart Car Chassis Kit, follow these general maintenance guidelines:
- Keep Clean: Regularly clean the chassis and components to prevent dust and debris buildup, which can affect motor performance and sensor accuracy. Use a soft, dry cloth.
- Check Connections: Periodically inspect all wiring and screw connections to ensure they are secure. Loose connections can lead to intermittent operation or component damage.
- Motor Care: Avoid exposing motors to excessive force or prolonged high-load conditions. Listen for unusual noises during operation, which may indicate an issue.
- Storage: When not in use, store the kit in a dry, cool environment away from direct sunlight and extreme temperatures.
- Battery Safety (if applicable): If using batteries with your expanded setup, always follow battery safety guidelines, including proper charging, discharge, and storage.
7. Troubleshooting
If you encounter issues with your Yahboom Smart Car Chassis Kit, consider the following troubleshooting steps:
- No Power/Movement:
- Ensure all power connections are correctly made and secure.
- Verify that the power source (e.g., battery, power supply) is providing the correct voltage and current.
- Check for any short circuits or damaged wires.
- Erratic Movement/Control:
- Inspect motor encoder connections for proper seating.
- If using a control board, verify that the code is correctly uploaded and running.
- Check for interference if using wireless control (e.g., Bluetooth).
- Motor Not Spinning:
- Ensure the motor is properly connected to the motor driver.
- Check if the motor shaft is obstructed or jammed.
- Test the motor independently if possible to rule out a faulty motor.
- Assembly Issues:
- Refer back to the installation videos and 3D model files for visual guidance.
- Ensure all screws are tightened appropriately, but do not overtighten.
For more specific issues related to integrated development boards (Raspberry Pi, UNO R3, Jetson, MSPM0), consult their respective documentation and community forums.
8. Specifications
Below are the key specifications for the Yahboom V1 Separate Chassis Kit:
| Feature | Specification |
|---|---|
| Brand | Yahboom |
| Model | V1 Chassis Separate |
| Material | Aluminum Alloy |
| Chassis Weight | 472.2g (single layer) |
| Dimensions (L x W x H) | 19.5cm x 14.2cm x 4.5cm |
| Maximum Load | 4.5kg |
| Maximum Light Load Speed | 1.3m/s |
| Motor Type | 310 Encoder DC Reduction Motor |
| Motor Rated Voltage | 7.4V |
| Motor Rated Power | 4.8W |
| Motor Speed (after deceleration) | 450 ± 10rpm |
| Tire Diameter | 48mm |
| Tire Material | Rubber |
Figure 8.1: Detailed size parameters for the mini car chassis and the 4-channel encoder motor driver module.
Figure 8.2: Dimensions for the MSPM0 development board and detailed size parameters for the 310 encoder DC motor.
Figure 8.3: Detailed size parameters for the 48mm rubber tires.
9. Support and Resources
Yahboom provides comprehensive resources to assist users with their DIY projects and learning:
- Installation Videos: Visual guides for chassis assembly.
- 3D Model Files: Available for reference and customization.
- ROS Robot Expansion Practice Cases: Practical examples for advanced users.
- Open APP Codes: Source code for the remote control application.
- Development Tutorials: Extensive tutorials for MSPM0 and STM32 platforms, covering various topics from basic tracking to advanced AI applications.
These resources are ideal for school teaching projects, technical competitions, and individual DIY enthusiasts looking to deepen their understanding of robotics and programming.
Figure 9.1: Overview of the development tutorials provided by Yahboom, accessible via a laptop.
Figure 9.2: Detailed list of MSPM0 and STM32 development tutorials, covering a wide range of topics from basic control to advanced tracking and recognition.
10. Warranty Information
Specific warranty details for the Yahboom DIY 4-Wheel Drive Smart Car Chassis Kit (V1 Separate Chassis) are not provided in this manual. For information regarding product warranty, returns, or technical support, please refer to the official Yahboom website or contact their customer service directly. Keep your purchase receipt as proof of purchase.
