BTT Octopus

Pin Wiring Sequence is Top to Bottom, Left to Right

Connector	Device	Comments
EXP1	LCD Display (EXP1)
EXP2	LCD Display (EXP2)
TFT	LCD Display (RS-232)
MOTOR0	X Motor
MOTOR1	Y Motor
MOTOR2	Z Motor
MOTOR4	E Motor
FAN0	24v Layer Fan	Pins: + - | Jump bottom row header pins
FAN1	24v Extruder Fan	Pins: + - | Jump bottom row header pins
FAN2	24v Chamber Fan	Pins: + - | Jump bottom row header pins
FAN6	12v Controller Cooling	Pins: + - | Jump middle row header pins
FAN7	12v Enclosure Light	Pins: + - | Jump middle row header pins
HE0	24v Cartridge Heater	No polarity
HE2	24v Chamber Heater	Pins: + - | Solid state relay
STOP0	X Limit Switch	Pins: 3.3v GND Signal | 3.3v not used
STOP1	Y Limit Switch	Pins: 3.3v GND Signal | 3.3v not used
BL Touch	BL Touch	Pins: GND 5v Y-Signal | GND W-Signal
TB	Bed Thermistor	No polarity
T0	Hotend Thermistor	No polarity
T2	Chamber Thermistor	No polarity

BTT Octopus Setup Guides

• Octopus Setup Guide

• Wiring and Marlin Setup Guide

• Sensorless Guide

• Neopixel Guide

User Guide

3MB

BIGTREETECH_Octopus_EN.pdf

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BTT Octopus User Guide