The BTT Octopus featuring the ability to run 8 stepper motors makes it perfect for coreXY Printers using 3 or 4 independent motors to drive their Z axis..
Key Features:
- Uses a 32 bit STM32H723ZET6 ARM Cortex M7 MCU running at 550MHz.
- The TPS5450 5A power chip supports 12/24V DC input and delivers up to
- 5A/6A peak for powering a Raspberry Pi.
- A BOOT button is provided for DFU firmware updates.
- The thermistor circuit is protected to prevent MCU damage from shorted
- heated bed and heater cartridge connections.
- PWM fans support 24/12/5V voltage selection without external transformer
- module, reducing failure points.
- The thermistor resistor can select the pull up resistor value through a
- jumper to support PT1000 without an external module, which is convenient
- for customers to use for DIY purposes.
- The MCU firmware can be upgraded through an SD card or through the
- “make flash” command in Klipper to update the MCU firmware via
- The BTB connector allows use of CM4, CB1, or other core boards.
- The onboard TMC driver works in SPI and UART modes, and the onboard
- DIAG function pin can be used by simply plugging in a jumper.
- Connectors for filament sensor, auto power off, BLTouch, RGB, I2C, servo,
- 5V power detection, etc.
- High performance MOSFETs reduce heating.
- Replaceable fuses for easy service.
- 3x 4 pin fan headers usable for water cooling.
- Proximity switch header supports NPN and PNP (24/12/5V).
- SPI expansion for accelerometer based resonance compensation.
Board-to-Board Connector
Designed with the same connector as Raspberry Pi, giving you a confident connection with all versions of CM4, and definitely, CB1 or CB1 eMMC. A screw-reinforced installation is available, too.
Functions & Application
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