FLY-Pi V3 Host Machine

FLY-Pi V3 is a standard-sized host machine with a form factor compatible with Raspberry Pi, designed to provide a stable and powerful computing core for professional 3D printing. It not only serves as a perfect replacement for Raspberry Pi but also unlocks faster, more precise, and more reliable printing experiences through its deeply optimized Klipper system, industrial-grade interfaces, and flexible storage expansion options.

Key Features

• Deep Optimization, Enhanced Performance : Powered by the Allwinner H618 quad-core processor, the system comes pre-installed with a deeply customized FlyOS & Klipper firmware, significantly improving processing efficiency and print performance compared to the original versions.
• Flexible Storage, Customizable Configuration : Built-in dedicated M2WE interface supports FLY custom M2WE modules (Wi-Fi/EMMC), offering high-speed system boot options.
• Ready to Use, Complete Ecosystem : All essential plugins are pre-configured in the system, eliminating complex debugging and greatly reducing the time from installation to the first print.
• Industrial-Grade Design, Stable and Reliable : Features wide voltage input (12-24V), power-off protection, and a dedicated SPI accelerometer interface, ensuring long-term stable operation.
• Rich Interfaces, Seamless Expansion : Multiple display outputs, multiple serial ports, and RRF expansion interface meet the connectivity needs of various peripherals.
• One-Click Updates, OTA Supported : Supports one-click system updates without re-flashing, allowing easy access to the latest features and security patches.

Purchase and Usage Notes

Important: About Storage

FLY-Pi V3 does not come with any storage device (i.e., no M2WE module or Micro SD card). You must configure at least one of the following storage media for the device to function properly:

• Option One (Recommended): Purchase the FLY custom M2WE eMMC module for faster system response and higher reliability.
• Option Two: Prepare your own Micro SD (TF) card (up to 128GB supported).

Product Specifications

1. Core System (SoC)

• CPU: Allwinner H618, Quad-core 64-bit Cortex-A53
• GPU: Arm Mali-G31 MP2
• Memory: 1GB DDR4

2. Storage and Expansion

• External Storage: Supports up to 128GB Micro SD (TF) card
• Onboard M2WE Expansion Interface: For connecting official FLY M2WE modules (Wi-Fi / eMMC).

3. Rich Interfaces

• Display Output:
  • Micro HDMI x 1
  • FPC-HDMI x 1
  • FPC-TFT x 1
  • (Supports single-cable connection for TFT and HDMI screens, enabling more flexible deployment)
• USB and Network:
  • USB 2.0 ports x 4
  • 100M Ethernet port (Eth) x 1
• Industrial and Expansion Interfaces:
  • UART x 1 (can be used to connect serial displays)
  • SPI interface (ZH1.5-7P) x 1 (for connecting sensors like ADXL345, enabling resonance compensation and other functions)
  • RRF expansion interface x 1
  • RS232 x 2 (can connect RS232 toolboards)

4. Power and Power Management

• Input Voltage: DC 12V-24V
• 5V Fan Interface: Provides a constant 5V power output (Note: This interface does not support PWM speed control)
• Power Failure Protection:
  • Supports power failure resume printing and safe shutdown on power loss.
  Configuration Note

  This feature must be enabled via system configuration; it is disabled by default at factory.

5. System and Software

• Operating System: FlyOS-FAST (a lightweight system optimized for 3D printing)
• Core Firmware: Deeply optimized Klipper firmware & native support for RRF
  • Optimization Details: We have performed in-depth low-level optimization and adaptation based on the original Klipper, resulting in significant performance improvements in command processing, motion planning, and calculation efficiency, delivering faster print speeds and higher precision.
• Pre-installed Software (Ready to Use):
  • Core Components: Klipper, Moonraker
  • Web Interface: Mainsail, Fluidd (optional, Fluidd is default)
  • Touchscreen Support: Klipper-Screen (not enabled by default)
  • Camera Support: Crowsnest (not enabled by default)
  • Advanced Feature Plugins: Input shaping, resonance compensation, and other essential plugins are pre-installed (numpy is pre-installed, no additional configuration required)

Important Notes

Interface Conflict Warning

TFT screen and SPI accelerometer interface cannot be used simultaneously!

• Physical Conflict: The TFT screen (via the FPC-TFT interface), SPI accelerometer interface (ZH1.5-7P), and RRF expansion interface share the same SPI hardware resources.
• Consequences: Simultaneous connection will result in abnormal screen display and severely inaccurate accelerometer readings.
• Solution: Only one of these interfaces should be connected at a time.

M2WE Interface Warning

Private Protocol, Only FLY Devices Allowed!

• The onboard M2WE expansion interface uses a FLY proprietary protocol, both physically and electrically customized.
• Only official FLY M2WE modules (for Wi-Fi or eMMC storage expansion) are supported.
• Connecting any standard or unofficial M.2 device is strictly prohibited, as it will definitely cause permanent hardware damage to the motherboard.

About Wi-Fi Functionality

FLY-Pi V3 does not have onboard Wi-Fi functionality.

If Wi-Fi is required, you have two options:

1. Recommended Option: Purchase and use the official M2WE Wi-Fi module from FLY.
2. Alternative Option: Use a generic USB Wi-Fi dongle, but ensure it supports Linux and is driver-free for compatibility.