1. Introduction
The LewanSoul WonderMV K210 Vision Camera Module is an advanced AI vision module designed for integration with various microcontrollers such as Arduino, Raspberry Pi, Jetson Nano, and ESP32. Built on the Kendryte K210 AI chip, it offers high-performance computing for neural network operations and supports a wide range of AI image recognition tasks. This manual provides essential information for setting up, operating, and maintaining your WonderMV module.
2. Product Overview
2.1 Key Features
- K210 Chip-Based Performance: Features a 64-bit RISC-V kernel processor and 1TOPS computing power for efficient AI tasks.
- Multi-Functional AI Vision: Supports color recognition, road sign recognition, vision line following, face recognition, tag recognition, QR code & barcode recognition, feature detection, and number recognition.
- LCD Capacitive Touch Screen: 2-inch screen with 320x240 resolution and 2-megapixel camera for debugging and control.
- Connectivity: Integrates serial and I2C ports for easy connection with various sensors and controllers.
- Open-Source Code: Fully open-source program code with extensive development materials and tutorials.
- Multi-Controller Compatibility: Seamless connection with Arduino, Raspberry Pi, Micro, STM32, and more.
2.2 Module Components and Functions
The WonderMV module integrates several key components for its operation:

2.3 Powerful Hardware
The WonderMV module is built with robust hardware components to ensure reliable performance:
- Metal Shell: Industrial-grade craft for durability.
- 200W HD Camera: High-definition camera for clear image capture.
- Dual Communication Ports: For versatile connectivity.
- LEGO-Compatible Holes: For easy integration into robotic and maker projects.

2.4 Kit Contents
The WonderMV Vision Module Kit includes the following items:

3. Setup
3.1 Connecting to Controllers
The WonderMV module can be connected to various microcontrollers using its serial and I2C interfaces. Ensure proper wiring for power and data communication.

3.2 Development Environment
The WonderMV module supports the CanMV IDE and MicroPython for development. Users are encouraged to utilize the provided development materials and tutorials to set up their environment.

4. Operation
4.1 AI Vision Functions
The WonderMV module offers a variety of AI vision capabilities:

4.1.1 Number and Code Recognition
The module can recognize AprilTags, barcodes, QR codes, and handwritten numbers. This functionality is useful for various automation and data entry applications.

4.1.2 Face Functions
The WonderMV module can perform face detection, face feature detection, mask identification, and face recognition, enabling applications in security or interactive systems.

4.1.3 Object Recognition
The module can identify up to 20 different types of objects, including common items like animals, furniture, and vehicles. It frames the target and displays its name on the screen, and can transmit data via serial communication.

4.1.4 Autonomous Learning and Classification
Users can enable autonomous learning by capturing multiple pictures of an object. The module extracts features, learns, and classifies objects, comparing new images to recorded data to determine class and score.

4.1.5 Color Recognition and Autonomous Driving
The K210 vision module can accurately identify and outline colors of objects. Through serial communication, an external control device can retrieve detailed information about the position and size of colored blocks. It also supports vision line following for autonomous driving applications.

4.2 Physical Integration
The module supports expansion with a bracket for adjustable positioning, facilitating integration into various robotic or custom projects.

4.3 Learning Framework
LewanSoul provides a comprehensive learning framework to guide users through the development process, from basic chip introduction to advanced AI vision applications.

5. Maintenance
To ensure the longevity and optimal performance of your WonderMV K210 Vision Camera Module, follow these general maintenance guidelines:
- Keep Clean: Regularly clean the camera lens and screen with a soft, dry, lint-free cloth. Avoid abrasive materials or harsh chemicals.
- Handle with Care: Avoid dropping the module or subjecting it to strong impacts.
- Proper Storage: Store the module in a dry, dust-free environment away from extreme temperatures and direct sunlight.
- Power Supply: Always use a stable 5V power supply to prevent damage to the module.
- Firmware Updates: Periodically check the official LewanSoul website or community forums for firmware updates to ensure you have the latest features and bug fixes.
6. Troubleshooting
If you encounter issues with your WonderMV K210 Vision Camera Module, consider the following troubleshooting steps:
- No Power: Ensure the Type-C cable is securely connected and the power source is providing a stable 5V. Check the power indicator LED on the module.
- Screen Not Displaying: Verify power connection. If connected to a host, ensure the host is properly initialized and sending display commands.
- Communication Issues: Double-check wiring for serial (RX/TX) and I2C connections. Ensure baud rates and I2C addresses are correctly configured in your code.
- AI Function Not Working: Confirm that the correct firmware is loaded and the necessary libraries are installed. Ensure the lighting conditions are adequate for image recognition.
- Module Overheating: Ensure adequate ventilation around the module. If persistent, reduce workload or check for short circuits. The module includes a heat sink for normal operation.
- SD Card Not Detected: Ensure the SD card is properly inserted into the TF card slot. Verify the card is formatted correctly (FAT32) and not corrupted.
For further assistance, refer to the official documentation and community resources provided by LewanSoul.
7. Specifications
7.1 WonderMV Vision Module Parameters
| Parameter | Value |
|---|---|
| Processor | Kendryte K210 |
| Chip architecture | RISC-V architecture |
| Development environment | CanMV IDE |
| Camera | 2 megapixel |
| Power supply | 5.0V |
| Working current | about 300mA |
| Interface | Type-C, UART, IIC |
| Display | LCD capacitive touch screen with a resolution of 320x240 |
| Display size | 2.0 inch |
| Built-in function | MicroPython firmware |
| LED | User-defined LED light |
| Fill light | Supply light for dim environments, customizable by the user |
| TF card slot | TF card can be inserted. 32GB TF card is recommended |
| Key | 2 (Costume function key) |
| Size | 58.9*40.7*16.2mm |
| Weight | 45g |
7.2 K210 Chip Basic Parameters
| Parameter | Value |
|---|---|
| Core | RISC-V Dual Core 64bit, with FPU |
| Main frequency | 400MHz (can be boosted to 600MHz) |
| Chip Manufacturing Process | TSMC's advanced 28-nanometer ultra-low power process |
| Core instruction set | RISC-V, a simplified instruction set |
| Safety | Supports firmware encryption, AES, and SHA256 encryption algorithms |
| SRAM | Built-in 8 megabytes. |
| Image recognition | QVGA@60fps VGA@30fps |
| Voice recognition | Microphone array (8 mics) |
| AI Vision | Equipped with KPU, supports convolutional neural network calculations, and more. Supports YOLOv3&MobileNetv2 TinyYOLOv2, face recognition, and others |
| Network models | Compatible with TensorFlow/Keras/Caffe/Caffe2, among other mainstream frameworks |
| Peripheral interfaces | GPIO, FPIOA, UART, Timer, SPI, I2C, I2S |
| Operating temperature | -30°C to 85°C |
| Operating voltage | Dual voltage support at 3.3V, 1.8V, eliminating the need for level shifting |

7.3 Dimensions
The physical dimensions of the K210 Vision Module and its adjustable hinge bracket are provided below:

8. Warranty Information
There is no explicit warranty description provided for the LewanSoul WonderMV K210 Vision Camera Module. Please refer to the retailer's return policy or contact LewanSoul directly for any specific warranty inquiries.
9. Support
LewanSoul is committed to providing support for its products. For technical assistance, development resources, or further inquiries, please utilize the following resources:
- Official Website: Visit the LewanSoul official website for documentation, tutorials, and software downloads.
- Community Forums: Engage with the developer community for shared knowledge and troubleshooting tips.
- Customer Service: Contact LewanSoul customer service for direct support regarding product issues or questions.
LewanSoul aims to make programming, robotics, and AI accessible to all by providing abundant learning resources, source codes, software, and technological support.