BIGTREETECH SKR V2 REV B 32 Bit Motherboard



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.

These are Rev B boards. 


  • 32-bit ARM Cortex-M4 CPU with 168MHz
  • 5 stepper driver slots
  • Up to 6 stepper motors can be connected.
  • WIFI interface connection
  • Thermal runaway protection circuit
  • Extended protection circuit for thermistors
  • Marlin integrated anti-reverse stepper driver protection
  • Supports BigTreeTech TFT displays as well as LCD12684, LCD2004
  • Connectors for PWM fans
  • Interface for closed loop stepper motor
  • Raspberry Pi Interface
  • High performance MOSFET
  • Supports BLtouch, filament runout sensor
  • Auto power down enabled (separate relay required)
  • Power Loss Recover Feature (separate UPS module required)
  • Dimensions: 109.67x84.3mm
  • Hole spacing: 101.85x76.3mm


  • 12V / 24V input voltage
  • 5 stepper driver slots (SPI, UART, STEP / DIR)
  • 6 stepper motors can be connected (dual Z axis)
  • 1 Micro SD card reader
  • 1 USB socket
  • 1 USB port
  • 1 WIFI interface for ESP8266 module
  • 2 connections for heating cartridges
  • 1 connection for heating bed
  • 4 temperature sensor connections
  • 2 connections for one fan
  • 3 connections for PWM fans
  • 1 connection option for BL-Touch sensor
  • 3 connections for limit switches
  • 1 filament runout connection option

More information, firmware and instructions are available here

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