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FLY C8P 3D Printer Control Mainboard

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Storage Device Notice

The FLY-C8 does not include a storage device by default. You need to prepare one of the following storage media to install and run the system:

  1. Recommended Option: Purchase the dedicated FLY M2WE Module for faster system speeds and higher reliability.
  2. Alternative Option: Use a Micro SD (TF) card with a capacity between 16GB and 128GB.

Core Features​

The FLY-C8 is a highly integrated, all-in-one host computer control board, designed for high-performance 3D printing needs, combining powerful computing and driving capabilities.

  • Powerful Core: Utilizes STM32F407VGT6 as the lower computer main controller (ARM Cortex-M4, 168MHz); the host computer is equipped with an Allwinner H5 quad-core 64-bit processor, integrated with 1GB DDR3 memory.
  • Smart Drivers: Fully supports SPI and UART modes for TMC series drivers, enabling silent and smooth motion.
  • Convenient & Easy to Use: Onboard DIAG function pins allow for sensorless homing simply by using a jumper cap; new Flash writing method allows direct firmware updates via commands, making upgrades simpler.
  • Flexible Power & Cooling: Supports 12-24V wide voltage input; CNC fan ports support selectable 24V/12V/5V voltage, eliminating the need for additional buck modules.
  • Rich Expansion: Features reserved interfaces for RGB light strips, SPI accelerometer, CAN bridge, and supports TFT screen and HDMI screen single-cable connection.
  • Ready to Use: The system image comes pre-installed with Klipper, Moonraker, Mainsail, and common plugins (such as Crowsnest, resonance compensation). No complex configuration is needed, allowing beginners to get started quickly (requires a storage device).

Detailed Specifications​

Host Computer System (SoC)​

  • CPU: Allwinner H5, quad-core Cortex-A53 @ 1.2GHz
  • GPU: Mali-450 MP6
  • Memory: 1GB DDR3 (shared with GPU)
  • Storage Expansion: Supports Micro SD card (up to 128GB); onboard M.2 Key-E interface (private protocol) for expanding dedicated WiFi or eMMC modules.
  • Peripheral Interfaces:
    • USB 2.0 × 3, USB OTG × 1
    • 10/100M Ethernet × 1
    • CAN Bus × 1
    • Micro HDMI × 1
    • 3.5mm Audio Jack × 1
    • Controllable 5V Fan Interface (ZH1.5) × 1

Lower Computer Control (MCU)​

  • Main Control Chip: STM32F407VGT6
  • Compatible Firmware: Klipper / RRF
  • Power Input: DC 12-24V
  • High-Power Outputs:
    • Heated Bed Port: Max 15A
    • Heater Cartridge Port: Max 6A
    • Fan Port: Max 1A
  • Motor Driver Support: Supports SPI, UART, STEP/DIR modes, compatible with mainstream drivers like TMC5160Pro, TMC2209, A4988.
  • Functional Interfaces:
    • Temperature Sensor (NTC 100K) × 3
    • Two-wire CNC Fan Interface × 6 (voltage selectable)
    • BLTouch/Servo Probe Interface
    • RGB Light Strip Interface × 2
    • UART, 12864 LCD Screen Interface
  • Supported Structures: Cartesian, Delta, CoreXY, Ultimaker, and other mainstream architectures.

Important Parameters & Tips​

Port Output Current Capability​

The supply voltage directly affects the maximum output current of the ports. Please be sure to configure your heating elements according to the following table:

Output PortMax Current at 24V PowerMax Current at 12V Power
Heated Bed Port15 A7.5 A
Heater Cartridge Port6 A3 A
Fan Port1 A0.5 A

Tip: To ensure system stability, it is recommended to configure a controlled power supply separately for high-power loads (such as the heated bed) or to derate usage when operating near the upper current limits.

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