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FLY-Pi V2 Host

  • We are pleased to announce the brand-new FLY-π motherboard. This board can replace the Raspberry Pi as a host to run, featuring 1GB of onboard DDR3 memory.
  • This host can run Klipper and RRF firmware, and can even run Klipper Screen when used with an SHT tool board.
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Core Highlights​

  • Powerful Core, Deep Optimization: Equipped with the Allwinner H5 quad-core processor, pre-installed with the deeply customized FlyOS & Klipper firmware, offering significant performance improvements in command processing and motion planning compared to native systems.
  • Dual Storage Solutions, Flexible Choice: Provides an onboard M2WE interface (for FLY custom modules) and a standard Micro SD card slot. Users can choose between the high-speed eMMC solution or the economical and flexible SD card solution as needed.
  • Ready-to-Use, Mature Ecosystem: The system comes pre-installed with all necessary plugins (such as the environment required for Input Shaping and Resonance Compensation), greatly reducing debugging time and allowing for quick deployment into printing.
  • 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: Offers various display outputs (HDMI, TFT), 4 USB 2.0 ports, an Ethernet port, and a CAN bus interface, meeting the connection needs of various peripheral devices.
  • Convenient Maintenance, OTA Support: Supports one-click online system updates (OTA), allowing users 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 pre-installed. You must prepare at least one of the following storage media yourself for the device to function properly:

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

Product Detailed 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 supports 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 Output:
    • 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 to achieve resonance compensation.
    • CAN HAT Interface x 1

4. Power Management​

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

    This function needs to be manually configured and enabled in the system; it is disabled by default.

5. System and Software​

  • Operating System: FlyOS-FAST (a lightweight system optimized for 3D printing)
  • Core Firmware: Deeply optimized Klipper firmware & Native RRF support
    • Optimization Note: We have performed underlying optimizations and adaptations for Klipper, resulting in significant performance improvements in command processing and motion planning compared to the original version.
  • Pre-installed Software:
    • Core: Klipper, Moonraker
    • Web Interface: Mainsail, Fluidd (Fluidd by default)
    • Feature Plugins: Essential plugins and environments such as Input Shaping and Resonance Compensation are pre-installed.
    • Optional Features: Support for Klipper-Screen (touchscreen) and Crowsnest (camera) is integrated but not enabled by default.

Important Notes​

Interface Conflict Warning

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

  • Hardware Conflict: The aforementioned interfaces physically share the same set of SPI resources.
  • Consequence: Simultaneous connection will cause abnormal screen display and severe errors in accelerometer data.
  • Solution: Only connect and use one of these interfaces at a time.
M2WE Interface Warning

Private Protocol, Strictly Prohibit Connecting Non-FLY Devices!

  • The onboard M2WE interface uses a FLY private custom protocol, and its physical and electrical specifications are non-standard.
  • Only connect the officially provided FLY M2WE modules (Wi-Fi / eMMC).
  • Strictly prohibit connecting any standard or third-party M.2 devices, as this will cause permanent hardware damage to the motherboard.
Regarding Wi-Fi Functionality

The FLY-Pi does not have onboard Wi-Fi.

For wireless connectivity, please choose:

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