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FLY-Pi V2 Host

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

  • Powerful Core, Deeply Optimized: Equipped with an Allwinner H5 quad-core processor, pre-installed with the deeply customized FlyOS & Klipper firmware, offering significant improvements in command processing and motion planning performance 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 or the economical and flexible SD card solution as needed.
  • Ready Out-of-the-Box, 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 start of 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

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 and safe power-off shutdown.
    Configuration Note

    This function needs to be manually configured and enabled within 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 for Input Shaping, Resonance Compensation, etc., are pre-installed.
    • Optional Features: Support for KlipperScreen (touchscreen) and Crowsnest (camera) is integrated but not enabled by default.

Important Notes​

Interface Conflict Warning

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 severely incorrect accelerometer data.
  • Solution: Connect and use only 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, with physical and electrical specifications that are non-standard.
  • Only connect the officially provided FLY M2WE module (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

FLY-Pi has no onboard Wi-Fi.

If wireless connection is needed, 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 Linux systems.
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