LAFVIN Mechanical 4WD Robot Arm Smart Car Kit User Manual

1. Introduction

This manual provides comprehensive instructions for the assembly, operation, and maintenance of the LAFVIN Mechanical 4WD Robot Arm Smart Car Kit. Designed for STEM programming learners, this kit offers hands-on experience in electronics, robotics, and programming using the Arduino IDE and graphical programming tools like Mixly.

The robot car features multiple functionalities including APP control, IR control, ultrasonic sensing, gravity sensing, and line tracking. Please read this manual thoroughly before beginning assembly or operation to ensure proper usage and safety.

2. Package Contents

Verify that all components listed below are present in your kit before starting assembly.

Figure 2.1: All components included in the LAFVIN Mechanical 4WD Robot Arm Smart Car Kit.

• Main control board (compatible with Arduino IDE)
• 4WD chassis components (motors, wheels, base plate)
• Robotic arm components (servos, gripper, arm structure)
• Ultrasonic module
• Line tracking modules
• IR remote control and receiver
• Battery holder (requires 2x 18650 batteries, not included)
• USB cable for programming
• Various wires, screws, and fasteners
• CD with tutorials and code

Note: 2x 18650 batteries and a button cell for the IR remote are not included and must be purchased separately.

3. Setup and Assembly

Follow these steps carefully for proper assembly. Refer to the detailed tutorial provided on the included CD for graphical instructions.

1. Prepare the Chassis: Assemble the 4WD chassis using the provided base plate, motors, and wheels. Ensure all connections are secure.
2. Install the Robotic Arm: Attach the servo motors and arm components to the designated positions on the chassis. Connect the servo wires to the main control board as indicated in the tutorial.
3. Mount Sensors: Install the ultrasonic module and line tracking modules. Connect their respective wires to the main control board.
4. Power Supply: Insert 2x 18650 batteries (not included) into the battery holder and connect the holder to the main control board. Ensure correct polarity.
5. Connect to Computer: Use the provided USB cable to connect the main control board to your computer.
6. Software Installation: Install the Arduino IDE and any necessary drivers from the included CD. Load the provided graphical programming test code or Mixly environment.
7. Initial Test: After uploading the code, perform a basic test to ensure all motors and servos respond correctly.

Figure 3.1: Detailed parts distribution for assembly reference.

4. Operating Instructions

The LAFVIN Robot Arm Smart Car Kit supports various control methods and functionalities.

4.1. APP Control (Bluetooth)

Download the dedicated control application to your smartphone (Android only, as per product information). Ensure Bluetooth is enabled on your phone and the robot car is powered on.

1. Open the app and connect to the robot car via Bluetooth.
2. Use the on-screen controls for driving, robotic arm manipulation, and activating various modes.

Figure 4.1: The robot car being controlled by both a smartphone app and an IR remote.

4.2. IR Control

Use the provided IR remote control to operate the robot car. Ensure the remote has a working button cell battery (not included).

• Point the IR remote towards the robot's IR receiver.
• Press the directional buttons to move the car.
• Use other buttons to control the robotic arm or activate specific functions as programmed.

4.3. Autonomous Modes

The robot car can perform several autonomous functions:

• Line Tracking: The robot follows a black line on a light surface using its line tracking modules.
• Obstacle Avoidance (Ultrasonic): The ultrasonic module detects obstacles, and the robot adjusts its path to avoid collisions.
• Anti-Drop: Sensors prevent the robot from falling off edges, such as a table.
• Gravity Sensor Control: Utilize your smartphone's gravity sensor to control the robot's movement.

Figure 4.2: Overview of the robot's various functionalities.

Figure 4.3: The robot car performing anti-drop and line tracking functions.

5. Programming and Customization

The LAFVIN Robot Arm Smart Car Kit is compatible with Arduino IDE and supports graphical programming with Mixly. This allows for extensive customization and learning opportunities.

• Arduino IDE: Use the Arduino IDE to write and upload C++ code to the main control board. The included CD contains example code and libraries.
• Graphical Programming (Mixly): For beginners, Mixly provides a visual block-based programming interface to easily create and modify robot behaviors without writing complex code.
• Tutorials: A detailed tutorial is provided to guide users through programming concepts and practical applications.

6. Maintenance

• Cleaning: Regularly clean the robot car with a soft, dry cloth. Avoid using water or harsh chemicals.
• Battery Care: Remove batteries if the robot will not be used for an extended period. Use only recommended 18650 batteries.
• Component Check: Periodically inspect all connections, wires, and mechanical parts for wear or damage. Tighten any loose screws.
• Software Updates: Check the LAFVIN website or community forums for any software or firmware updates.

7. Troubleshooting

8. Specifications

9. Warranty and Support

LAFVIN is committed to providing quality products and customer satisfaction. For any issues or questions regarding your Mechanical 4WD Robot Arm Smart Car Kit, please refer to the following:

• Online Resources: Visit the official LAFVIN website for additional tutorials, FAQs, and community support forums.
• Customer Service: Contact LAFVIN customer support directly for technical assistance or warranty claims. Refer to your purchase documentation for contact details.
• Warranty: Specific warranty terms and conditions may vary. Please retain your proof of purchase for any warranty-related inquiries.