OCTOPUS Motherboard Features:

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

2. Interfaces with a Raspberry Pi using emulated serial over USB or direct UART to any of the serial ports on the board.

3. Supports up to 4 hotend heaters.

4. Provides separate power inputs for motors, bed heating and logic/fans/hotends.

5. Supports 12V or 24V supply inputs (12V only supported on motor and bed. Logic must be > 14.1V) with built in 12V (4A), 5V (8A) and 3.3V (1A) regulators to provide rails for peripheral use.

6. 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.

7. Flyback protection on PWM fan ports – Many people find that their fan ports become damaged after some time when using larger fans. This is because of the inductance in the fan coils. The octopus includes flyback protection on each fan port which will protect the FETs from damage caused by turning the fans on and off.

8. Includes USB-C interface which supports an emulated serial port that allows printing via USB.

9. Includes a bootloader that allows firmware upgrades via the SD card. This offers a simple, efficient, and convenient way to update the firmware.

10. Uses high-performance MOSFETs to increase heating efficiency while also reducing heat generation on the motherboard.

11. Supports “print from SD card” and “print via USB OTG” using the integrated USB-A port.

12. Provides two stepper outputs, connected in parallel, to the Z driver allowing for a parallel, dual Z axis drive.WiFi interface for ESP8266 based modules.

13. Supports firmware update via DFU mode. This is where the firmware is sent to the board directly from the PC and does not require a bootloader however this method is not recommended for novice users as discussed later in this document.

14. Includes an onboard, 32K EEPROM (AT24C32).

15. Supports CAN BUS using a 6P6C RJ11 interface, which offers the board the ability to interface with future expansion modules.

16. Supports StallGuard for sensorless homing with TMC drivers

17. Provides an SPI expansion port which can connect the SPI-based expansion modules such as MAX31865 module.

18. Provides an I2C expansion port for peripherals that communicate using that protocol.

Operating Temperature	20 Degrees Celsius
UPC	779605800352
Manufacturer	octopus
Color	black
Shipping Weight	0.32 Kilograms
Item Model Number	ZZB000540
Item Part Number	ZZB000540
Primary material	Plastic

BIGTREETECH Octopus V1.1 Control Board 32Bit Silent Motherboard Support 8 Axis TMC2209 Stepper Motor Driver Compatible BTT Pi V1.2/Pi 2 to Running Klipper/Marlin for Voron 2.4/CoreXY/VZbot 3D Printer

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