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SKR-PRO-V1.2 User Manual Shenzhen Biqu Technology Co., Ltd. SHENZHEN BIGTREE TECHNOLOGY CO., LTDBIG TREE TECH BIGTREETECH SKR-PRO-V1.2 user manual Shenzhen City Fun Technology 1/18 Website: www.BIGTREE-TECH.com...
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Aiming at some problems existing in 3D printed motherboards in the market. Bigtree Technology Co., Ltd. launched a high performance 3D printer master board with STM32F407ZGT6 as the core controller, BIGTREETECH-SKR-PRO-V1.2. Ⅱ、the motherboard features 1) The main control uses the ARM-level Cortex-M4 series with a 32-bit dominant frequency of 168 MHz STM32F407ZGT6 chip, performance is greatly improved;...
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6)With 24V input and the same power, the hot bed current can be reduced to 1/4, effectively solving the heating problem of hot bed MOS tube. 7) BIGTREETECH-2.8-inchTFT, and BIGTREETECH-3.5-inchTFT color touch screens are compatible, as are LCD2004 and LCD12864 screens.
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SKR Pro V1.2 User Manual Shenzhen Biqu Technology Co., Ltd. computer USB port from being burnt due to a short circuit. The special function interface uses a color-conspicuous row pin to greatly reduce the error rate of the wiring. As many as 20 expansion ports can be reserved, and extended ports can be used to add more features to the printer without worrying about the shortage of motherboard ports.
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X, Y, Z, E0, E1, E2, Temperature sensor interface: T0, T1, T2, T3 total 4 channels 100K NTC .(thermal resistance) Display screen BIGTREETECH- 2.8 inch TFT,BIGTREETECH-3.5 inch TFT, LCD2004,LCD12864 PC communication interface: square USB, convenient to plug and unplug, communication baud rate is 11520...
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SKR Pro V1.2 User Manual Shenzhen Biqu Technology Co., Ltd. 2) Change the position of the hot bed fuse, effectively deal with the overheating of the PCB at the bottom of the fuse when the hot bed is heated; 3) Analog quantity (AD) input increased clamping diode, effectively protect the chip;...
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SKR Pro V1.2 User Manual Shenzhen Biqu Technology Co., Ltd. 3) When the main board is powered by 12V/24V, the 12V indicator will be lit. If the jumper cap has 12V/24V power supply, the 3.3V, 5V and 12V indicators will be illuminated. Ⅵ、mainboard power wiring methods 1.
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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 source Web site: to find the https://github.com/bigtreetech?tab=repositories corresponding motherboard download driver. After drive installation...
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SKR Pro V1.2 User Manual Shenzhen Biqu Technology Co., Ltd. he Pin footer file for more information. Ⅸ、Description of patterns and interfaces 1、STEP/DIR mode According to the driver used, the subdivision table is corresponding and the jumper cap is used for subdivision selection.
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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).
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SKR Pro V1.2 User Manual Shenzhen Biqu Technology Co., Ltd. As 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、...
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SKR Pro V1.2 User Manual Shenzhen Biqu Technology Co., Ltd. USB and U disk selection As shown in the picture, when the jumper cap is connected 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 is turned off.
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SKR Pro V1.2 User Manual Shenzhen Biqu Technology Co., Ltd. 6、SPI expansion 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 above.
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SKR Pro V1.2 User Manual Shenzhen Biqu Technology Co., Ltd. box on the right side faces outward and is inserted vertically. 8、stallguard pin description As shown in the picture below, the purple box is the stall pin corresponding to the stall detection. Take the TMC2209 as an example.
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SKR Pro V1.2 User Manual Shenzhen Biqu Technology Co., Ltd. This function pin needs to be trimmed only when the stallguard function is not used. 9、Double Z-axis connection description ①Single Z connection↓ ②Double Z-axis connection ↓ 10、Description of the indicator light for the limit switch The status indicator is the normally closed limit switch indicator.
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Ⅹ、motherboard firmware description 1) Currently only supports our open source Marlin2.0 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 open source Marlin2.0 firmware, use Visual Studio Code to open the project for compilation, then find the firmware.bin file, copy it to the SD card, and then reset...
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SKR Pro V1.2 User Manual Shenzhen Biqu Technology Co., Ltd. XI 、Notes 1、Currently, only our company's open source firmware Marlin2.0 is supported. 2、U-disk functionality is not supported for the time being. so stay tuned! 3、 The power of the hot bed connected to the motherboard must be less than or equal to 180W ( the thermal bed resistance value is greater than 0.8) 4、when the motherboard is supplied with 12V/24V power...
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