BIQU DIRECT 3D Printer Part SKR V1.4 32bit Control Board Smoothieboard&Marlin Open Source SKR V1.3 Upgrade Support TMC2209/TMC2208/TMC2130/A4988/8825/ Drivers(SKR V1.4)

• Using 32bit main frequency 100MHz ARM level Cortex-M3 series LPC1768 Microprocessor
• I2C, SPI and WIFI interfaces are reserved for convenience of DIY
• Double z-axis interface, eliminating the trouble of external drive expansion Module
• More fan interfaces: 1 way CNC fan, 3 way normally open fan
• Plug-in external DC5V power supply module to supply power to TFT screen, BLtouch

SKR V1.4 Parameters Microprocessor: ARM Cortex-M3 CPU Input voltage: DC12V-DC24V 5A-15A Logic voltage：DC 3.3V WIFI module：ESP-01S Motor driver: Support TMC5161、TMC5160、TMC2209、TMC2225、TMC2208、 TMC2130、ST820、LV8729、DRV8825、A4988 etc., independent external motor driver. Motor driver interface：X、Y、Z、E0、E1，5 way（Each has a closed loop drive interface) up to 256 subdivisions PC communication interface: Square USB, easy to plug, communication baud rate of 115200 Expand the interface function support: Resume Printing While Power Off, Filament Break Detection, Automatic Shutdown After Printing, Automatic leveling, BL Touch How to connect with computer Driver:https://www.dropbox.com/s/a0k5idjmf4fn82f/lpc176x_usb_driver.inf?dl=0 How to Obtain Firmware: https://github.com/bigtreetech 2.Marlin2.0 Firmware update method After downloading our open source Marlin2.0 firmware, use Visual Studio Code to open the project to compile, then find the firmware.bin file, copy it to the SD card, and then reset the motherboard. For detailed steps, please refer to the tutorial: https://www.dropbox.com/s/ppjfflhf3j5yzh2/MarlinV2.0%20SKRV1.1%20instruction.docx?dl=0 Package Included 1pc SKR V1.4 Board 1PC USB Cable