Bigtreetech Octopus V1.1 controller board

The Bigtreetech Octopus V1.1 controller board, developed for your Voron printer:

It supports Klipper and Marlin and provides space for up to 8 stepper drivers on one controller board in STEP/DIR, UART or SPI mode.

The main controller is a 32-bit ARM-level Cortex-M4 series processor with a frequency of up to 180MHz (STM32F446ZET6)

Other specs are:

• Supply voltage: 24VDC
• 5 temperature sensor interfaces
• Dispalys supported: BTT LFT screen, LCD12864, LCD2004, etc.
• PC communications interfaces: USB-C with configurable BAUD rate, CAN interface (for future use)
• Expansion interfaces: 2x Fil-DET, PWR-DET, PS-ON, BL Touch, etc.
• 6 PWM controllable fan interfaces, 3 selectable fan voltages
• Thermistor input protection
• 4 hotend heater connectors
• 6 endstop switch connectors
• Size: 16cmx10cm (mounting holes: 15cmx9cm)

More information on the Bigtreetech Octopus V1.1 controller in the GIT repository.

What’s in the box:

Board only: the Octopus V1.1, USB-C cable, 10x jumpers, BTT rubber duck 🙂

Variants with stepper drivers: additionally 8x selected stepper driver module (TMC2209 V1.2 or TMC2226)