SPECIFICATIONS

Brand Name: BIGTREETECH

Origin: Mainland China

Item Type: Motherboard

Model Number: SKR V1.4/SKR V1.4 Turbo

Appearance size: 110*85mm

Mounting Size: 102*76mm

Microprocessor: ARM Cortex-M3 CPU

Inputvoltage: DC12V-DC24V 5A-15A

logic voltage: DC3.3V

WIFl module: ESP-01S

Drive working mode support: SPI,UART,STEP/DIR

Motor driver interface: X,Y,Z,E0,E1,five(each has a reextendable interface),Up to 256 subdivisions Supporting file formats;G-code

Supported machine architecture: XYZ,delta,kossel,Ultimaker,corexy

Motor driver: Support TMC5161,TMC5160,TMC2209,TMC2225,TMC2208, TMC2130,ST820,LV8729,DRV8825,A4988,can be independently external motor drive

Display: "2.4/2.8/3.5"TFT,(SUPPORTS DUAL-MODESCREENS) LCD2004,LCD12864

Supporting file formats: G-CODE

Motor drive interface: X,Y,Z,E0,E1,five(each has a reextendable interface),Up to 256 subdivisions

SKR V1.4 Frequency: LPC1768-100MHZ

SKR V1.4 Turbo Frequency: LPC1769-120MHz

Fan interfaces: 1-way CNC fan,3-way Frequent fans

12C,SPl and WiFi interfaces to DlY: YES

The closed-loop drive interface: YES

Double Z-axis interface: YES

RGB light belt: YES

Support multifarious screen: YES

High performance MOSFET tube: YES

External connection power module: YES

Advantages1: Connect DCDC MODE V1.0 power module

Advantages2: RGB light bar

Advantages3: DIY

Advantages4: Thermistor interface

Advantages5: Dual Z-axis interface

Advantages6: More fan interfaces

Advantages7: Closed-loop drive interface

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Integrated motherboard,Enrich expansion modulesStable,easy to use and previewable

Specification

Appearance size: 110*85mm

Mounting Size：102*76mm

Microprocessor: ARM Cortex-M3 CPU

Inputvoltage:DC12V-DC24V 5A-15A

logic voltage: DC3.3V

WIFl module: ESP-01S

Drive working mode support:SPI、UART、STEP/DIR

Motor driver interface: X,Y,Z,E0,E1,five(each has a reextendable interface),Up to 256 subdivisions Supporting file formats;G-code

Supported machine architecture:XYZ、delta、kossel、Ultimaker、corexy

 

Parameters

Motor driver:Support TMC5161,TMC5160,TMC2209,TMC2225,TMC2208, TMC2130,ST820,LV8729,DRV8825,A4988,can be independently external motor drive

 

Display: "2.4/2.8/3.5”TFT,(SUPPORTS DUAL-MODESCREENS) LCD2004,LCD12864

Supporting file formats:G-CODE

Motor drive interface:X,Y,Z,E0,E1,five(each has a reextendable interface),Up to 256 subdivisions

 

Functions

SKR V1.4
Frequency:LPC1768-100MHZ

SKR V1.4 Turbo
Frequency:LPC1769-120MHz

Fan interfaces:1-way CNC fan,3-way Frequent fans

12C,SPl and WiFi interfaces to DlY：YES

The closed-loop drive interface：YES

Double Z-axis interface：YES

RGB light belt：YES

Support multifarious screen：YES

High performance MOSFET tube：YES

External connection power module：YES

Advantages

Compared with BIGTREETECH SKR V1.3,the BIGTREETECH SKR V1.4 has the following upgrade and optimization

• Connect DCDC MODE V1.0 power module：Reserved DCDC MODE V1.0 power module interface to supply power to TFT panel,BL touch and Neopixel
• RGB light bar：RGB light bar supporting Neopixel scheme
• DIY：Reserved 12C,SPl and WiFi interfaces to facilitate DiY(When use the WIFl module,you could use the BTT Writer for firmware flashing,serial port debugging and so on)
• Thermistor interface：The thermistor interface shall be protected by a capacitor and a varistor to enhance the resistance of the interface
• Dual Z-axis interface：Double Z-axis interface,eliminating the trouble of external drive expansion module
• More fan interfaces：1-way CNC fan,3-way Frequent fans
• Closed-loop drive interface：reserve the closed-loop drive interface to save the trouble of External Transfer module

 

NOTE

The DIY environment of each customer is different. In order to prevent the driver from being damaged, it is recommended to delete the comments of the following code when DIYing the firmware.

That is: // #define DISABLE_DRIVER_SAFE_POWER_PROTECT change to

#define DISABLE_DRIVER_SAFE_POWER_PROTECT

 

For more details about SKR V1.4/SKR V1.4 Turbo you can visit this website:https://github.com/bigtreetech/BIGTREETECH-SKR-V1.3/tree/master/BTT%20SKR%20V1.4