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FLY-Pi V2 Host

The newly launched FLY-Pi V2 host features a Raspberry Pi-compatible mounting size and serves as a high-performance alternative for running Klipper or RRF firmware. It comes with 1GB of onboard DDR3 memory and supports connecting TFT screens via SPI to enable Klipper Screen functionality.

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Core Highlights​

  • Powerful Core, Deeply Optimized: Equipped with an Allwinner H5 Quad-Core Processor and pre-installed with the deeply customized FlyOS & Klipper firmware. It offers significant performance improvements in command processing and motion planning compared to native systems.
  • Dual Storage Solutions, Flexible Choice: Provides both 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 option based on their needs.
  • Ready-to-Use, Mature Ecosystem: The system comes pre-installed with all essential plugins (such as the environment required for Input Shaping and Resonance Compensation), greatly reducing setup and debugging time for a quick start to printing.
  • Industrial-Grade Design and Power Supply: Supports 12-24V wide voltage input and 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 to meet 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 V2 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: Use 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 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-HDMI x 1
    • FPC-TFT x 1
    • (Supports one-cable connection for TFT screens and HDMI screens)
  • 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 enable Resonance Compensation.
    • CAN Bus 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 Details: We have performed low-level optimization and adaptation for Klipper, achieving 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-configured.
    • 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: These interfaces physically share the same set of SPI resources.
  • Consequence: Simultaneous connection will cause abnormal screen display and severely incorrect 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, 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 mainboard.
Regarding Wi-Fi Functionality

The FLY-Pi V2 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 generic USB Wi-Fi module, ensuring it is compatible with Linux systems.
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