BIGTREETECH Octopus V1.1 Control Board Mainboard


Availability: In stock

BTT Octopus v1.1 is a mainboard designed to support up to 8 stepper drivers. This board is commonly used on Voron 3d printer builds running klipper. Features a high performance ARM Cortex-M4 series STM32F446ZET6 main control chip with a core frequency of 180MHz. 6 controllable fan interfaces with 3 selectable voltages. Also comes with CAN BUS and a USB-C interface that allows for printing via usb. 


Octopus V1.1 Control Board / Mainboard

Main Control Chip: Uses a 32-bit ARM Cortex-M4 series STM32F446ZET6 main control chip with a core frequency of 180MHz.

Strong DIY Support: This motherboard supports up to 8 stepper drivers with 9 stepper driver outputs in total; And up to 6 PWM fans and 2 always-on fans with the ability to individually select the voltage rail that will drive each fan. Select from Vin, 12V or 5V.

Motherboard Expansion Function: Support BLTouch, locked-rotor detection, shut down after printing, resume printing after power failure, CAN bus, U disk function, IIC expansion; at the same time reserved WIFI interface, PT100 thermistor interface (optional), dual Z-axis printer.

TMC2209 Driver Feature: The TMC2209 stepper driver is not easy to lose steps and is in an ultra-quiet mode; the module has a large area of heat dissipation pad, which can reduce the temperature of the driver when it is working; the module supports three modes: STEP / DIR and UART.

TMC2209 Driver Mode: TMC Motor drivers can be used in SPI or UART mode by simply adjusting the onboard jumpers beneath each motor driver. Additionally, you can connect or disconnect the TMC DIAG pin using an onboard jumper allowing you to use hard end-stops or sensorless homing without the need to cut any pins.

Package Contents:

1 x Bigtreetech Octopus V1.1 Control Board Mainboard
1x usb-c cable
1x Rubber duck

Product weight/dimensions:



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All items listed are in stock in AUSTRALIA south east Queensland and will be shipped same day when ordered before 3pm AEST by Australia post.
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Weight500 g
Dimensions26 × 16 × 7 mm



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