Shenzhen Big Tree Technology Co., Ltd.
BIGTREETECH
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Contents
Contents .....................................................................2
Revision History .............................................................5
1 Brief Introduction ............................................................6
1.1 Main Features .........................................................6
1.2 Basic Parameters ......................................................7
1.3 Product Dimension .....................................................9
2 Peripheral Interface .........................................................10
2.1 Interface Diagram .....................................................10
2.2 Pin-out ...............................................................10
3 Interface Instruction .........................................................11
3.1 USB Power Supply ....................................................11
3.2 Stepper Motor Drive ...................................................11
3.2.1 Normal STEP/DIR(STANDALONE) Mode ...........................11
3.2.2 UART Mode of TMC Driver .......................................12
3.2.3 SPI Mode of TMC Driver ..........................................13
3.2.4 DIAG(Sensorless Homing) of TMC Driver ...........................13
3.2.5 Selection of driving power supply for stepping motor .................13
3.3 Installing the Core Board ...............................................14
3.4 Voltage Selection of CNC Fans .........................................15
3.5 100K NTC or PT1000 Setting ...........................................15
3.6 BLTouch Wiring .......................................................16
3.7 Auto Shutdown Module(Relay V1.2) Wiring ...............................16
3.8 EXP1+EXP2 and LCD Screen Wiring ....................................17
3.9 RGB Wiring ..........................................................17
3.10 Filament Runout Detection Wiring ......................................18
3.11 40 Pin GPIO .........................................................18
3.12 DSI/CSI Connection ..................................................19
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