Mainboard upgrade with many interfaces

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Product information & technical details


BIGTREETECH SKR 2 is a successor to the motherboards of the SKR 1.4 and SKR 1.4 Turbo series and has many new functions. This versatile 32-bit mainboard with a powerful 168 Mhz ARM-Cortex-M4 CPU is suitable for most 3D printers and offers many interfaces and upgrade options compared to most built-in motherboards.

The mainboard is compatible with RepRap and Marlin open-source software.

This version is the revised Rev B.

168 Mhz ARM-Cortex-M4 CPU

BIGTREETECH SKR 2 uses a 32-bit chip from the ARM Cortex-M4 series STM32F407VGT6 with a core frequency of 168 MHz, which offers enough power to serve even the most demanding user interfaces while enabling stutter-free printing.

AOZ1284PI-Power Regulator

The motherboard integrates an AOZ1284PI power regulator that supports a 12-24 V input and a maximum output of 4A - enough to operate external components such as LEDs and even a Raspberry Pi.

Firmware upgrade via SD card

Update the firmware from the SD card. This method is simple, convenient, and efficient.

Compatible stepper driver interfaces: SPI, UART, STEP / DIR

Matching screens:

  • Serial touchscreens
  • SPI touch screens
  • LCD display (LCD12864)
  • TFT touch screens

Fan connections:

  • 3 x controllable PWM fans
  • 2 x normal fans

Other interfaces:

  • 5 x stepper driver connections
  • ESP8266 WiFi module (ESP12S or ESP-07) interface
  • Power failure detection module
  • Filament sensor
  • BLTouch interface
  • RGB control
  • Dual Z-axis interface
  • Closed-loop driver interface
  • I2C and SPI for DIY modifications
  • SD, U disk & USB port


This mainboard is suitable for most 3D printers, such as:

  • Creality Ender 3, Ender 3 Pro, Ender 5, Ender 5 Pro, CR-10, CR-10S
  • Anet A6, A8
  • Tronxy X5S
  • Anycubic Kossel, Mega, Mega S, Mega X
  • BIQU B1
  • Artillery Sidewinder X1

Other features:

  • Anti-reverse stepper driver protection
  • Overheating protection
  • Protected thermistor connections
  • 32-bit mainboard
  • TMC Diag Jumpers

You can find more information, instructions and firmware here!

Product videos:

Customer Reviews

0 English reviews written for BIGTREETECH SKR 2

2 customer reviews in all languages

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13 reviews

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