Introduction

Mellow Fly-D5 is a high-performance 3D printer motherboard launched by the Fly3D motherboard R&D team of Guangzhou Meilun Electronic Technology Co., Ltd., supporting up to 5 stepper motors.

1. Product Features

• Adopt 32-bit main frequency 48MHz ARM Cortex-M0+ series STM32F072RBT6 main control chip
• Support CAN bus connection, more stable data transmission, lower delay, more stable connection
• Drive support: A4988, LV8729, DRV8225, TMC2208/2209/5160, etc.
• On-board DIAG function pin, infinite position homing support can be used just by simply plugging and unplugging the jumper cap

2. Product Parameters

• MCU: STM32F072RBT6
• Firmware: Klipper/Marlin
• Support 12-24V DC power supply, more stable power supply, eliminate the need for a step-down module
• Drive working mode support: SPI, UART, STEP/DIR
• Supported drivers: Support external TMC5160Pro, TMC5160, TMC2209, TMC2225, TMC2226, TMC2208, TMC2130, A4988, etc.
• Expansion interface: BLTouch (Servos, Probe), UART X1, 12864 X1
• Fans: Two-wire controllable fan X2, parallel fan X2, normally open fan X2
• Temperature sensor: 2 channels NTC 100K
• Heating interface: 2 controllable interfaces support 10A
• Support machine structure: Cartesian, Delta, Kossel, Ultimaker, CoreXY

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