BIGTREETECH Direct SKR V1.4 Control Board CPU 32 Bit Upgrade from SKR V1.3 for DIY 3D Printer

※【SKR Motherboard Parameters】 ：
Appearance size: 110*85mm
Mounting size: 102*76mm
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 drive.
Driver working mode support: SPI、UART、STEP/DIR
Motor driver interface：X、Y、Z、E0、E1，5 way（Each has a closed loop drive interface) up to 256 subdivisions
Temperature sensor interface: TH0, TH1, TB, 3 channel 100K NTC Temperature


※BIGTREETECH SKR V1.4 motherboard is a 32-bit 3D printer motherboard optimized and upgraded by the 3D printing team of
Shenzhen Big Tree Technology CO., LTD. for the deficiencies of V1.3 version, especially suitable for small and medium-sized printers.

※1.SKR Motherboard Features: ：
1）Plug-in external DC5V power supply module to supply power to TFT screen, BL touch and Neopixel.
2）Equipped with highly modular and open source firmware Marlin2.0, which is convenient for users to DIY and secondary development;
3）More fan interfaces: 1 way CNC fan, 3 way normally open fan;
4）Support 2.4, 2.8, 3.5 inch color touch screen, support LCD2004 screen, LCD12864 screen；
5）Upgrade and configure the firmware through SD card, which is simple, convenient and efficient;
6）The thermistor interface is protected by a bile capacitor pressurized resistor to enhance the resistance of the interface；
7）Support Resume Printing While Power Off, Filament Break Detection,Automatic Shutdown After Printing and so on；
8）High performance MOSFET tube, better heat dissipation effect;
9）Closed-loop drive interface is reserved to reduce the trouble of plug-in switching module；
10）Reserved extended port SERVOS and Probe to support BL Touch;
11）Support RGB Neopixel light bar；