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SKR 3 - 32-bit 3D Printer Board - Compatible with Marlin 2, RRF & Klipper - STEP/DIR SPI or UART - 12V o 24V

SKR 3 - 32-bit 3D Printer Board - Compatible with Marlin 2, RRF & Klipper - STEP/DIR SPI or UART - 12V o 24V
SKR 3 - 32-bit 3D Printer Board - Compatible with Marlin 2, RRF & Klipper - STEP/DIR SPI or UART - 12V o 24V
SKR 3 - 32-bit 3D Printer Board - Compatible with Marlin 2, RRF & Klipper - STEP/DIR SPI or UART - 12V o 24V
SKR 3 - 32-bit 3D Printer Board - Compatible with Marlin 2, RRF & Klipper - STEP/DIR SPI or UART - 12V o 24V
SKR 3 - 32-bit 3D Printer Board - Compatible with Marlin 2, RRF & Klipper - STEP/DIR SPI or UART - 12V o 24V
New Only a few units in stock -11 %
SKR 3 - 32-bit 3D Printer Board - Compatible with Marlin 2, RRF & Klipper - STEP/DIR SPI or UART - 12V o 24V
SKR 3 - 32-bit 3D Printer Board - Compatible with Marlin 2, RRF & Klipper - STEP/DIR SPI or UART - 12V o 24V
SKR 3 - 32-bit 3D Printer Board - Compatible with Marlin 2, RRF & Klipper - STEP/DIR SPI or UART - 12V o 24V
SKR 3 - 32-bit 3D Printer Board - Compatible with Marlin 2, RRF & Klipper - STEP/DIR SPI or UART - 12V o 24V
SKR 3 - 32-bit 3D Printer Board - Compatible with Marlin 2, RRF & Klipper - STEP/DIR SPI or UART - 12V o 24V
SKR 3 - 32-bit 3D Printer Board - Compatible with Marlin 2, RRF & Klipper - STEP/DIR SPI or UART - 12V o 24V
89.99€
79.99€
Tax 66.11€
  • Stock: 9
  • Model: SKR 3

Model:

SKR V 1.4 LPC1768 100 MHz

SKR V 1.4 LPC1768 100 MHz

SKR V 1.4 TURBO LPC1769 120 MHz

SKR V 1.4 TURBO LPC1769 120 MHz

SKR 2 STM32 180 MHz

SKR 2 STM32 180 MHz

SKR 3 STM32 480 MHz

SKR 3 STM32 480 MHz

Pay in three interest-free installments with PayPal. 0% APR.

SKR 3 by Bigtreetech is the successor to SKR 2. This versatile 32-bit motherboard with powerful 480MHz ARM Cortex-M7 is suitable for most 3D printers and offers more interfaces and upgrade options than most embedded motherboards.

Main features: 

  • ARM Cortex-M7 series MCU: Deliver unprecedented performance.
  • Compatible with Marlin, Klipper and RepRap.
  • Robust power system: Output current peak= 6A; Input voltage= 12/24V
  • DIY-friendly: Onboard BOOT0 makes it easy to enter DFU mode to flash the firmware.
    Upgraded thermistor supports PT1000 without external module.
    Universal WIFI modular port allow DIY users to use RRF firmware.
  • Optimized Heat Dissipation: CNC fan with 3 optional voltages. High-performance MOSFET tube for great heat dissipation.
  • Onboard EEPROM: 24C32, easy to store data.
  • Flexible connectivity: Easy switch between USB and CAN, connect more devices.
    Note: If the customer wants to use the motherboard as a termination for the CAN line, the included 120R resistor is the required. Please refer to the user manual for for information.
  • More Expansion Functions: Fil-DET, PWR-DET, RGB, CAN FD, TFT, PS-ON, Probe.
  • Enhanced Safety Design: Added protective circuit for thermistor.

Specifications:

  • Product size: 110x85mm
  • Installation size: 102x76mm
  • ARM Cortex-M7 CPU STM32H743VIT6 processor
  • 24C32 32Kbit EEPROM
  • Input voltage: DC12V-DC24V
  • Logical tension: 3.3V DC
  • Firmware Marlin, Klipper
  • Wi-Fi interfaces: ESP-12S, ESP-07S, ESP32
  • Fan interfaces 3 CNC fans, 2 normal fans, optional CNC fan voltage
  • Expansion interfaces: Servos, probe, PS-ON, PWR-DET, Fil-DET, CAN FD
  • Motor driver: TMC5160, TMC2209, TMC2225, TMC2226, TMC2208, TMC2130, ST820, LV8729, DRV8825, A4988, etc.
  • Driver assistance mode: SPI, UART, STEP/DIR
  • Stepper motor connections: X, Y, Z (dual Z-axis), E0, E1, five-way motor driver interfaces
  • Heating interfaces: heated bed (HB), heating cable (E0, E1)
  • Temperature sensor interface 1 way 100K NTC, 2 way 100K NTC, PT1000 optional
  • Computer interface: USB
  • File Format: G-Code
  • Configuration of the 3D printer: XYZ, Delta, Kossel, Ultimaker, Corexy
  • Display: Touch serial screen, SPI touch screen, LCD screen

Comparative SKR 3, SKR 2 and SKR 1.4:

FunctionSKR 3SKR 2SKR 1.4
Main chipSTM32H723VGT6STM32F407VGT6LPC1768
Core frequency480 MHz168 MHz100 MHz
Output current5A4A3A
CNC fan3 (24V, 12V, 5V optional)31
PC communication interfaceUSBUSBUSB
Firmware supportMarlin, KlipperMarlin, RepRapMarlin
Temperature sensor interface1-way 100K NTC, 2-way 100K NTC y PT1000 optionalTH0, TH1, TB: 3 100K NTCTH0, TH1, TB: 3 100K NTC
Wifi interfaceESP-12S, ESP-07S, ESP32ESP-12S, ESP-07SESP-01S
BOOT0 reservedYesNoNo
Onboard EEPROMYesNoNo

 

 

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