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FLY-Pi V2 Host Computer

  • We are delighted to introduce the brand new FLY-π motherboard. This board can replace a Raspberry Pi to function as a host computer, featuring 1GB of onboard DDR3 memory.
  • This host computer can run Klipper and RRF firmware, and can even run the Klipper screen when using an SHT tool board.
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Key Highlights​

  • Powerful Core, Deeply Optimized: Equipped with an Allwinner H5 quad-core processor, pre-installed with a deeply customized FlyOS & Klipper firmware, offering significantly improved performance in command processing and motion planning compared to native systems.
  • Dual Storage Options, Flexible Choice: Provides an onboard M2WE interface (for FLY custom modules) and a standard Micro SD card slot, allowing users to choose between high-speed eMMC or economical, flexible SD card solutions.
  • Out-of-the-box, Complete Ecosystem: The system comes pre-installed with all necessary plugins (e.g., environment required for input shaping and resonance compensation), greatly reducing debugging time for quick printing starts.
  • Industrial-Grade Design and Power Supply: Supports 12-24V wide voltage input, integrates a dedicated SPI accelerometer interface, ensuring long-term stable and reliable operation.
  • Rich Interfaces, Comprehensive Expansion: Provides various display outputs (HDMI, TFT), 4 USB 2.0 ports, Ethernet port, and CAN bus interface, meeting the connection needs of various peripheral devices.
  • Easy Maintenance, Supports OTA: Supports one-click system online update (OTA), allowing you to obtain the latest features and security patches without re-flashing the system.

Purchase and Usage Notes​

Important: Regarding Storage

The FLY-Pi does not come with any storage device from the factory. You must prepare at least one of the following storage media for the device to function normally:

  • Option 1 (Recommended): Purchase a FLY custom M2WE module (Wi-Fi/eMMC) for faster system response and higher reliability.
  • Option 2: Provide your own Micro SD (TF) card, with a recommended capacity between 16GB-128GB.

Detailed Product Specifications​

1. Core System​

  • CPU: Allwinner H5, 4-core 64-bit Cortex-A53
  • GPU: Arm Mali-G31 MP2
  • RAM: 1GB DDR3

2. Storage and Expansion​

  • External Storage: Supports Micro SD card (TF card), capacity support 16GB-128GB
  • Onboard Expansion: Dedicated M2WE interface for connecting the official FLY M2WE module (providing Wi-Fi or eMMC storage functionality).

3. Interface Overview​

  • Display Outputs:
    • Micro HDMI x 1
    • FPC-TFT x 1
  • USB and Network:
    • USB 2.0 Ports x 4
    • 100M Ethernet Port (Eth) x 1
  • Industrial and Expansion Interfaces:
    • Dedicated SPI Interface (ZH1.5-6P) x 1: For connecting sensors like ADXL345 for resonance compensation.
    • CAN HAT Interface x 1

4. Power Management​

  • Input Voltage: DC 12V-24V
  • Fan Header: 5V Fan Header x 1
  • Power Loss Protection Function:
    • Requires use with a KPPM module.
    • Supports resume printing after power loss and safe shutdown on power loss.
    Configuration Note

    This feature requires manual configuration and activation within the system; it is disabled by default from the factory.

5. System and Software​

  • Operating System: FlyOS-FAST (Lightweight system optimized for 3D printing)
  • Core Firmware: Deeply Optimized Klipper Firmware & Native RRF Support
    • Optimization Note: We have performed low-level optimization and adaptation for Klipper, resulting in significantly improved command processing and motion planning performance compared to the original version.
  • Pre-installed Software:
    • Core: Klipper, Moonraker
    • Web Interfaces: Mainsail, Fluidd (Fluidd by default)
    • Functional Plugins: Essential plugins and environments like input shaping and resonance compensation are pre-installed.
    • Optional Features: Support for Klipper-Screen (touchscreen) and Crowsnest (camera) is integrated but disabled by default.

Important Precautions​

Interface Conflict Warning

The TFT screen, SPI accelerometer interface, and RRF expansion interface cannot be used simultaneously!

  • Hardware Conflict: The interfaces mentioned above physically share the same set of SPI resources.
  • Consequences: Connecting them simultaneously will result in abnormal screen display and severely erroneous accelerometer data.
  • Solution: Only connect and use one of these interfaces at a time.
M2WE Interface Warning

Proprietary Protocol, Do Not Connect Non-FLY Devices!

  • The onboard M2WE interface uses a FLY proprietary custom protocol; its physical and electrical specifications are not standard.
  • Only connect the official FLY M2WE module (Wi-Fi / eMMC) provided by FLY.
  • Strictly forbidden to connect any standard or third-party M.2 devices, as this will cause permanent hardware damage to the motherboard.
About Wi-Fi Functionality

The FLY-Pi has no onboard Wi-Fi.

For wireless connectivity, please choose:

  1. Recommended Solution: Use the FLY official M2WE Wi-Fi Module.
  2. Alternative Solution: Use a driverless universal USB Wi-Fi module, ensuring it is compatible with the Linux system.
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