BIGTREETECH SKR-PRO-V1.2 User Manua Download

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SKR Pro V1.2 User Manual Shenzhen Biqu Technology Co., Ltd.

Note: the high level is connected to the above two row

needles, and the low level is connected to the following two

rows of needles.

2、

A4988 and 8825 driver instructions

If the drive is using A4988 or 8825, it is necessary to short

the two pins in the purple box with the jumper cap (as shown).

If it is not A4988 or 8825, the jumper cap in the box needs to

be pulled out.

3、

UART mode

When using UART mode, you need to short the needle in

the red box with a jumper cap.

Summary of Contents for SKR-PRO-V1.2

Page 1: ...R PRO V1 2 User Manual Shenzhen Biqu Technology Co Ltd Shenzhen City Fun Technology 1 18 Website www BIGTREE TECH com SHENZHEN BIGTREE TECHNOLOGY CO LTDBIG TREE TECH BIGTREETECH SKR PRO V1 2 user manu...

Page 2: ...greatly improved 2 Equipped with highly modular open source firmware Marlin2 0 it is convenient for users to DIY and further development to avoid the worry of not being able to master the core code 3...

Page 3: ...y itself 9 The firmware is upgraded by SD card which is simple convenient and efficient 10 Support Serial WIFI Online Printing 11 6 motor drives 3 extruders 3 CNC fans 12 It has the following function...

Page 4: ...ports can be used to add more features to the printer without worrying about the shortage of motherboard ports 19 Support offline printing and online printing 20 Support for dual Z axis printers serie...

Page 5: ...nd unplug communication baud rate is 11520 11 Support Expansion Port Automatic Shutdown Module After Printing Power Off Resume Print Module Filament break detection and Automatic leveling BL Touch WIF...

Page 6: ...ng diode effectively protect the chip mainboard power selection 1 Power jumper cap selection USB power supply 12 24 v power supply mainboard power selection 1 As shown in the red box when the jumper c...

Page 7: ...s 12V 24V power supply the 3 3V 5V and 12V indicators will be illuminated mainboard power wiring methods 1 Three Power supply method of switching Power supply As shown above three sets of power lines...

Page 8: ...computer through the USB cable the computer will automatically install the driver In this case the motherboard can be identified for data transmission If the installation fails we can go to our open s...

Page 9: ...SKR Pro V1 2 User Manual Shenzhen Biqu Technology Co Ltd 9 18 Motherboard interface description 1 Motherboard size diagram 2 Motherboard wiring diagram 3 Motherboard Pin diagram...

Page 10: ...echnology Co Ltd 10 18 The Pin footer file for more information Description of patterns and interfaces 1 STEP DIR mode According to the driver used the subdivision table is corresponding and the jumpe...

Page 11: ...e following two rows of needles 2 A4988 and 8825 driver instructions If the drive is using A4988 or 8825 it is necessary to short the two pins in the purple box with the jumper cap as shown If it is n...

Page 12: ...s shown in the figure below the Pin foot corresponding to the TMC2208 UART mode is the Pin foot selected by the red box that is the 4th Pin pin from the top to the bottom 4 SPI mode When using SPI mod...

Page 13: ...to the left the USB function is turned on while the USB flash drive function is turned off when the jumper cap is connected to the right the USB flash drive function is turned on and the USB function...

Page 14: ...pansion port The SPI expansion port shares IO with the SPI mode of the driver and can only be used if the SPI mode driver is not used 7 WIFI interface The WIFI interface is as shown in the picture abo...

Page 15: ...iption As shown in the picture below the purple box is the stall pin corresponding to the stall detection Take the TMC2209 as an example When the stallguard function is not used the stallguard pin of...

Page 16: ...9 Double Z axis connection description Single Z connection Double Z axis connection 10 Description of the indicator light for the limit switch The status indicator is the normally closed limit switch...

Page 17: ...0 firmware please go to our open source website https github com bigtreetech tab repositories Find the corresponding motherboard to download 2 Marlin2 0 firmware update method After downloading our op...

Page 18: ...r than 0 8 4 when the motherboard is supplied with 12V 24V power supply be sure to pay attention to the positive and negative poles of the power supply 5 The firmware file name in the SD card cannot b...