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Specification
Brand : BIGTREETECH Direct
BulletPoint1 : Main Control Chip: BIGTREETECH Octopus V1.1 control board adoptes ARM Cortex-M4 series STM32F446ZET6 32-bit microcontroller at 180MHz with 512Kb flash ROM. Notice: Input voltage only supports 24V, 12V is not allowed.
BulletPoint2 : CAN BUS: BIGTREETECH Octopus V1.1 32bit control board supports CAN Bus connectivity using an ethernet connector. This CAN Bus connection allows to expand control board with other expansion boards very easily.
BulletPoint3 : 6 PWM Fans Plus 2: The Octopus V1.1 Mainboard offers up to 6 controllable PWM fans and additional 2 without control with the possibility of voltage selection from 5V, 12V or 24V. The BTT Octopus also has 8 sockets for drivers, making it an ideal electronics for demanding machines.
BulletPoint4 : Supports Klipper/Marlin: BIGTREETECH Direct Octopus V1.1 32bit control board compatible with BTT Pi V1.2/Pi 2, supports running Klipper and Marlin, supports firmware update by USB (recommended) and DFU mode(advanced users). Updating via DFU mode is to send firmware to the board directly from PC with no need for bootloader, which is not recommended for novice users.
BulletPoint5 : Type C powers the MCU: Plug the jumper cap into the 5V USB power supply port of the motherboard. You can use the Type C interface to power the motherboard, which makes it easier for the computer to program firmware. If the jumper cap is pulled out, the switching power supply must be turned on when the motherboard is connected to the PC.
BulletPoint6 : Multifunctional interface: BTT Octopus V1.1 control board support Eddy V1.0, BLTOUCH, Microprobe auto bed leveling sensor, SFS V2.0 smart filament runout, power loss detection, CEB V1.0, SKSM V1.0, automatic power down. Display support TFT35 E3 V3.0.1/TFT35 V3.0/TFT50/70. When running Klipper touch mode, please choose HDMI5 V1.2 Touchscreen.
ChipsetType : STM32F446ZET6
Color : Transparent
CompatibleDevices : Personal Computer
CustomerPackageType : Standard Packaging
ExternallyAssignedProductIdentifier1 : 779605800352
ExternallyAssignedProductIdentifier2 : 0779605800352
GraphicsCardInterface : integrated
IncludedComponents : BTT SKR V1.4 Turbo +TFT35 V3.0.1+5*TMC2209
ItemName : 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
ItemPackageDimensions_Height : 18.796 centimeters
ItemPackageDimensions_Length : 4.3942 centimeters
ItemPackageDimensions_Width : 13.0048 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : 3d-printer-controllers
MainPowerConnectorType : 24-Pin
Manufacturer : BIGTREETECH Direct
Material : Other
MemoryClockSpeed : 512 MHz
MemorySlotsAvailable : 2
MemoryStorageCapacity : 512 KB
ModelName : BIGTREETECH Octopus v1.1
ModelNumber : BIGTREETECH Octopus V1.1
NumberOfItems : 1
NumberOfPorts : 8
PartNumber : ZZB000540
Platform : android
ProductDescription :

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.

ProductSiteLaunchDate : 2021-05-14T09:29:52.936Z
Size : Small
Style : Octopus V1.1
SupplierDeclaredDgHzRegulation : not_applicable
SystemBusStandardSupported : SATA 1
TotalUsbPorts : 7
UnspscCode : 43201513
Voltage : 24 volts