BIGTREETECH OCTOPUS User Manual

Produced by BIGTREETECH
Page 18 of 25
6 COMMUNICATING WITH THE MOTHERBOARD
After connecting the motherboard to a computer via a USB cable, the driver will be
automatically installed (windows, linux and macos). Upon installation of the driver the
motherboard should automatically enumerate as a virtual serial device which can be used
for data transfer. If it fails to do so, you can visit our GitHub website:
https://github.com/bigtreetech?tab=repositories and find the corresponding repository to
download the driver.
If you would like to confirm that the driver has been installed correctly you can access the
device manager in windows and look for a virtual com port when the motherboard is
plugged in. In the image below the motherboard has been assigned COM7 however your
operating system may assign it any available COM port number. Other operating systems
will list serial ports in a different manner.

BIGTREETECH OCTOPUS Specifications

General

Flash Memory	512 KB
RAM	128 KB
Input Voltage	12V-24V DC
Operating Voltage	3.3V
Clock Speed	180 MHz
PC Communication Interface	USB
Supported File Format	G-code
Ethernet	No
Wi-Fi	No
Bluetooth	No
Processor	ARM Cortex-M4 STM32F446ZET6
Stepper Driver Support	Up to 8 stepper drivers
Connectivity	USB, UART, SPI, I2C
Expansion Interface	UART, SPI, I2C
Temperature Sensor Interface	Supports thermistors
Digital I/O Pins	Available, quantity varies depending on configuration
Analog Input Pins	Available, quantity varies depending on configuration