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FLY-DP5 Mainboard Introduction

The Mellow Fly-DP5 is a high-performance 3D printer mainboard developed by the Fly3D mainboard R&D team of Guangzhou Mellow Electronic Technology Co., Ltd. It supports up to 5 stepper motors.

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Important Notes
  1. Firmware Support: This mainboard supports Klipper and Marlin firmware. If using Klipper firmware, it needs to be used in conjunction with a host computer.
  2. Power Supply Note: The DP5 mainboard does not support reverse powering the host computer through its interfaces.

Product Features​

  • Main Control Chip: Utilizes the 32-bit ARM Cortex-M0+ architecture STM32F072RBT6 chip with a 48MHz main frequency.
  • Communication Bus: Supports CAN bus connection, offering advantages like stable data transmission, low latency, and reliable connectivity.
  • Driver Compatibility: Supports TP5160, TP22209, and TP2240 drivers.
  • Smart Endstop: Onboard DIAG function pins allow easy implementation of sensor homing without physical limit switches via jumper caps.
  • Rich Interfaces: Provides various expansion interfaces including BLTouch (servo and probe), UART, 12864 LCD screen, and more.
  • Flexible Power Supply: Supports 12-24V wide voltage DC input, ensuring stable power supply and eliminating the need for additional step-down modules.

Product Parameters​

  • Main MCU: STM32F072RBT6
  • Supported Firmware: Klipper, Marlin
  • Input Voltage: DC 12-24V
  • Driver Interface Modes: SPI, UART, STEP/DIR
  • Compatible Drivers: TP5160, TP22209, and TP2240
  • Temperature Sensors: 2 channels of NTC 100K thermistor interfaces
  • Heater Output: 2 channels of MOS control interfaces, supporting high-current heater cartridges
  • Fan Interfaces:
    • 2 channels of two-wire controllable fans
    • 2 channels of parallel fan interfaces
    • 2 channels of always-on fan interfaces
  • Supported Machine Structures: Cartesian, Delta, Kossel, Ultimaker, CoreXY, etc.
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Electrical Specifications (Maximum Continuous Current)​

Output PortMax Current at 24V Power SupplyMax Current at 12V Power Supply
Heater Cartridge Port6A3A
Fan Port1A0.5A
  • Ensure the power supply voltage and current meet the above requirements to avoid overload.
  • Before connecting the power supply, double-check the polarity to prevent reverse connection.
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