BIGTREETECH OCTOPUS User Manual

Name: BIGTREETECH OCTOPUS
Brand: BIGTREETECH
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Note: Since power will still be supplied to the Relay 1.2 module after it has cut

power to the motherboard, it is extremely dangerous to touch the Relay 1.2

module while the printer is still connected to mains. Always remove all mains

power when working on this wiring.

2.3 BL TOUCH WIRING

When using a BL Touch, wire it to the motherboard as shown in the figure below. As always,

never perform any work on the motherboard with power applied.

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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