BIGTREETECH CB1 V2.2 Core Control Board Instruction Manual

1. Introduction

The BIGTREETECH CB1 V2.2 Core Control Board is a compact and powerful single-board computer designed for various embedded applications, particularly in 3D printing environments utilizing Klipper firmware. It offers robust processing capabilities, extensive connectivity, and compatibility with Raspberry Pi CM4-compatible carrier boards, providing a flexible alternative for makers and developers.

2. Key Features

• Processor: Equipped with a quad-core 64-bit ARM Cortex-A53 processor running at up to 1.5GHz.
• Memory: Features 1GB DDR3 memory for efficient operation.
• Graphics: Integrated Mali G31 MP2 GPU with OpenGL3.2 support.
• Connectivity: Includes 100M Ethernet and 100M WiFi for reliable network access.
• Display Output: HDMI2.0A interface supports up to 4K display resolution.
• USB Ports: Onboard USB2.0 port for peripheral connections.
• Operating System: Capable of running Linux systems, including Ubuntu, offering programmability for custom projects.
• Compatibility: Designed with the same BTB header as the Raspberry Pi CM4, allowing for use with compatible carrier boards like the BIGTREETECH Manta M8P/M4P.

Figure 2.1: Visual representation of the CB1 V2.2's core features, including its processor, RAM, and operating system support.

3. Product Overview

The BIGTREETECH CB1 V2.2 is a compact core board. Below are images illustrating its physical layout and key components.

Figure 3.1: Top view of the BIGTREETECH CB1 V2.2 Core Control Board, highlighting the Allwinner H616 SoC and memory chips.

Figure 3.2: Physical dimensions of the CB1 V2.2 board, indicating its size is similar to the CM4 module.

4. Specifications

Note: The CB1 V2.2 does not support DSI/CSI output.

Figure 4.1: Detailed product parameters of the CB1 V2.2.

5. Setup and Installation

The BIGTREETECH CB1 V2.2 is designed to be compatible with carrier boards that feature a Raspberry Pi CM4-style BTB header. This allows it to be integrated into various systems, including 3D printer motherboards like the BIGTREETECH Manta M4P/M8P.

5.1 Board Installation

1. Ensure all power is disconnected from the system before installation.
2. Carefully align the BTB header of the CB1 V2.2 with the corresponding socket on your compatible carrier board (e.g., Manta M4P/M8P or Pi4B adapter).
3. Gently press the CB1 V2.2 into place until it is securely seated. Avoid excessive force.
4. If applicable, secure the board with any provided screws or mounting hardware.

Figure 5.1: Illustration of the CB1 V2.2 installed on a compatible carrier board, demonstrating its integration.

5.2 Initial Power-Up and Configuration

1. After physical installation, connect necessary peripherals such as a display via HDMI, USB devices, and network cables.
2. Apply power to the carrier board. The CB1 V2.2 will boot up.
3. Follow the instructions for your specific carrier board and chosen operating system (e.g., Klipper on Ubuntu) for initial software setup and configuration. This typically involves flashing an OS image to a MicroSD card and inserting it into the CB1.

6. Operating Instructions

The CB1 V2.2 is primarily designed to run Linux-based operating systems, such as Debian or Ubuntu, and is frequently used with Klipper firmware for 3D printers. The operational steps will largely depend on the specific software and application.

6.1 Klipper Firmware Integration

When used with Klipper firmware, the CB1 V2.2 acts as the host computer, managing the 3D printer's operations. This typically involves:

• Flashing a Klipper-compatible Linux image (e.g., MainsailOS, FluiddPi) onto a MicroSD card and booting the CB1 from it.
• Connecting the CB1 to your 3D printer's mainboard (e.g., Manta M4P/M8P) via USB or other specified interfaces.
• Configuring Klipper settings via a web interface (e.g., Mainsail, Fluidd) accessible through your network.

6.2 General Linux Usage

For general-purpose computing, the CB1 V2.2 can run a full Linux distribution. Users can connect a monitor via HDMI, a keyboard and mouse via USB, and access the internet via Ethernet or WiFi. Standard Linux commands and applications can then be utilized.

7. Compatibility

The CB1 V2.2 is designed for broad compatibility within the maker ecosystem:

• Raspberry Pi CM4 Form Factor: Features the same BTB (Board-to-Board) header as the Raspberry Pi Compute Module 4, allowing it to be used with various CM4-compatible carrier boards.
• BIGTREETECH Manta Series: Fully compatible with BIGTREETECH Manta M4P, M5P, and M8P motherboards, providing a seamless Klipper host solution for 3D printers.
• Pi4B Adapter: Can be used with a Pi4B adapter to mimic the form factor and some functionality of a Raspberry Pi 3B, offering a viable alternative.

Figure 7.1: Visual comparison highlighting the similar form factor and BTB header design between the BIGTREETECH CB1 and Raspberry Pi CM4.

8. Maintenance

To ensure the longevity and optimal performance of your BIGTREETECH CB1 V2.2, follow these maintenance guidelines:

• Keep Clean: Regularly clean the board and its surroundings to prevent dust accumulation, which can lead to overheating and component failure. Use compressed air or a soft brush.
• Proper Handling: Always handle the board by its edges to avoid touching components, especially the delicate pins and chips. Static electricity can damage electronic components.
• Ventilation: Ensure adequate airflow around the board, especially when installed in an enclosure. Overheating can degrade performance and shorten lifespan. Consider adding a cooling fan if operating under heavy loads.
• Firmware Updates: Periodically check for and apply firmware or operating system updates to benefit from performance improvements, bug fixes, and security enhancements.
• Power Supply: Use a stable and appropriate power supply as specified by your carrier board or system requirements. Unstable power can cause system instability or damage.

9. Troubleshooting

If you encounter issues with your BIGTREETECH CB1 V2.2, consider the following troubleshooting steps:

• No Power/Boot:
  • Verify that the power supply is correctly connected and providing the correct voltage.
  • Ensure the CB1 is properly seated in its carrier board's socket.
  • Check the MicroSD card for proper insertion and a valid operating system image.
• Network Connectivity Issues:
  • For Ethernet, check the cable connection and router status.
  • For WiFi, ensure correct SSID and password are configured in the OS. Verify antenna connection if external.
• Display Problems (HDMI):
  • Ensure the HDMI cable is securely connected to both the CB1 (or carrier board) and the monitor.
  • Test with a different HDMI cable or monitor if possible.
  • Verify display settings in your operating system.
• System Instability/Crashes:
  • Check for overheating. Ensure proper ventilation and cooling.
  • Verify the integrity of your MicroSD card. A corrupted OS image can cause instability.
  • Ensure your power supply is sufficient and stable.

For more detailed troubleshooting or specific software-related issues, refer to the BIGTREETECH official documentation, community forums, or contact customer support.

10. Warranty and Support

BIGTREETECH products typically come with a limited warranty covering manufacturing defects. For specific warranty terms, duration, and claim procedures, please refer to the warranty information provided with your purchase or visit the official BIGTREETECH website.

For technical support, product inquiries, or assistance with troubleshooting, please utilize the following resources:

• Official Website: www.bigtree-tech.com
• Community Forums: Engage with other users and experts for advice and solutions.
• Customer Service: Contact BIGTREETECH directly through their website for personalized support.