BIGTREETECH Octopus V1.1 Motherboard



BIGTREETECH Octopus is a very powerful motherboard with 8 stepper driver ports, so this motherboard can control up to 8 different axes. This feature is especially suitable for multicoloured printing and tool changers, for the use of different tools / modules such as different 3D print heads, laser engraving, laser cutting etc. 

The mainboard is compatible with Klipper, Raspberry and Marlin open-source software.


  • 32-Bit ARM Cortex-M4 CPU with 180MHz
  • 8 stepper driver slots
  • Up to 9 stepper motors can be connected
  • Rasperry PI Interface
  • WIFI Interface
  • Adjustable fan voltage (24V, 12V, 5V)
  • Auto Power Down capable (separate relay required)
  • Power Loss Recover Feature (separate UPS module required)
  • Connection option for WS2812 LED
  • Replaceable fuses
  • Supports BigTreeTech TFT displays as well as LCD12684, LCD 2004
  • Stallguard for sensorless homing
  • On-Board 32K EEPROM
  • High performance MOSFET
  • Dimensions: 160x100mm
  • Hole spacing: 150x90mm


  • 12V/24V Input
  • 8 stepper driver slots (SPI, UART, STEP / DIR)
  • 9 stepper motors can be connected (dual Z axis)
  • Rasperry PI Interface
  • CAN BUS, SPI und I2C
  • USB-C
  • WIFI interface for ESP8266 module
  • Connection option for WS2812 LED
  • 4 connections for heating cartridges
  • 5 temperature sensor connections
  • 6 connections for PWM fans
  • 2 connections for a permanent fan
  • 1 connection for BL-Touch sensor
  • 6 connections for limit switches
  • 2 filament runout interfaces

More information, firmware and instructions are available here


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