Introduction to the FLY-DP5 Mainboard

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

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Important Notes

1. Firmware Support: This mainboard supports Klipper and Marlin firmware. When using Klipper firmware, a host computer is required.
2. Power Supply Note: The DP5 mainboard does not support reverse powering the host computer through its interface.

Product Features

• Main Control Chip: Utilizes the STM32F072RBT6 chip based on the 32-bit ARM Cortex-M0+ architecture, with a main frequency of 48MHz.
• Communication Bus: Supports CAN bus connection, offering advantages such as stable data transmission, low latency, and reliable connection.
• Driver Compatibility: Supports TMC5160, TMC2209, and TP2240 drivers.
• Intelligent Endstop: Features onboard DIAG function pins, allowing easy sensorless homing via jumper caps without the need for physical endstop switches.
• Rich Interfaces: Provides various expansion interfaces including BLTouch (servo and probe), UART, and 12864 LCD screen.
• Flexible Power Supply: Supports DC 12-24V wide voltage input, providing stable power and eliminating the need for an additional step-down module.

Product Parameters

• Main MCU: STM32F072RBT6
• Supported Firmware: Klipper, Marlin
• Input Voltage: DC 12-24V
• Driver Interface Modes: SPI, UART, STEP/DIR
• Compatible Drivers: TMC5160, TMC2209, TP2240
• Temperature Sensors: 2 NTC 100K thermistor interfaces
• Heater Outputs: 2 MOS controlled interfaces, supporting high-current heating cartridges
• Fan Interfaces:
  • 2 controllable 2-wire fan ports
  • 2 parallel fan ports
  • 2 always-on fan ports
• Supported Machine Structures: Cartesian, Delta, Kossel, Ultimaker, CoreXY, etc.

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Electrical Specifications (Maximum Continuous Current)

Output Port	Maximum Current at 24V Supply	Maximum Current at 12V Supply
Heater Cartridge Port	6A	3A
Fan Port	1A	0.5A

• Please ensure the supply voltage and current meet the above requirements to avoid overloading.
• Before connecting the power supply, double-check the polarity to prevent reverse connection.