Octopus Series¶

Overview¶

The Octopus series represents BigTreeTech's high-end mainboard offerings, designed for advanced 3D printers requiring extensive features and capabilities. These boards are particularly well-suited for complex printer configurations and professional applications.

Available Models¶

Octopus V1.1¶

Processor: STM32F446 (there are different vesrion, the wiki will be updated soon)
Stepper Drivers: 8x (configurable)
Connectivity: USB, UART, CAN
Price Range: $$$
Best For: High-end printers, multi-extruder setups
Buy: Amazon Biqu Offical Store

Octopus Pro V1.1¶

Processor: STM32H743
Stepper Drivers: 8x (configurable)
Connectivity: USB, UART, CAN, Ethernet
Price Range: $$$$
Best For: Professional printers, complex setups
Buy:
- Amazon
- Biqu Offical Store

Octopus MAX EZ¶

Processor: 32-bit 550 MHz ARM Cortex-M7 series STM32H723ZET6
Stepper Drivers: 10 EZ driver slots
Connectivity: USB, UART, CAN, SD card
Price Range: $$$$
Best For: Professional printers, complex setups
Buy: West3d

Key Features¶

Hardware Features¶

High-performance STM32 processors
8 stepper driver support
Multiple connectivity options
CAN bus support
Ethernet capability (Pro model)
Multiple fan outputs
Advanced sensor support
Extensive GPIO options

Software Support¶

Klipper firmware support
Marlin firmware support
Community firmware options
Extensive documentation
Active community support

Installation Guide¶

Basic Setup¶

Mount the board in your printer
Connect stepper motors
Connect endstops
Connect heaters and fans
Flash firmware

Community Mods¶

Custom cooling solutions
Additional connectivity options

References¶

BTT Official Documentation
Community Modifications Database
User Experience Reports

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