BIGTREETECH Octopus Pro V1.0 (F446 Chip) Motherboard

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Sale price$64.99


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

The mainboard is compatible with Klipper, RepRap and Marlin and supports Raspberry Pi and Octoprint.

Octopus Pro F446 (180 Mhz ARM-Cortex-M4 CPU & 512 KB flash memory)


  • 32-bit ARM Cortex-M4 CPU with 180MHz / 168MHz
  • 8 stepper driver slots
  • Up to 9 stepper motors can be connected.
  • HV Drive: MAX8
  • Rasperry PI Interface
  • WIFI Interface ESP8266 (500 k/s max)
  • Adjustable fan voltage (24V, 12V, 5V)
  • Auto power down enabled (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, LCD2004
  • Stallguard for sensorless homing
  • On-Board 32K EEPROM
  • High performance MOSFET
  • Dimensions: 160x100mm
  • Hole spacing: 150x90mm


  • Recommended mainboard input voltage 12-15V / 24-28V
  • Motor input voltage 12V - 60V (suggested minimum 24V, 60V requires TMC5160 Pro)
    • Drive Input level : 5V
    • Each motor is configurable
  • Heating bed input voltage 12V-28V
  • 8 stepper driver slots (SPI, UART, STEP / DIR)
  • 9 stepper motors can be connected (dual Z axis)
  • Rasperry PI Interface
  • CAN BUS, SPI and I2C
  • USB-C
  • WIFI interface for ESP8266 module
  • Connection option for WS2812 LED
  • 4 connections for cartridge heaters
  • 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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