BTT Octopus
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Last updated
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Pin Wiring Sequence is Top to Bottom, Left to Right
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