Neptune 3 Pro/Plus/Max BTT SFS 2.0 holder

The printed part is secured with the original 2 screw mounting holes on the extruder housing. Required 2x longer screws M3x20.

Klipper host: Orange Pi 3 LTS. GPIO pins: PL02, PL08.

[mcu host]
serial: /tmp/klipper_host_mcu

[filament_motion_sensor motion_sensor]
switch_pin: host:gpiochip0/gpio2
detection_length: 3
extruder: extruder
pause_on_runout: True
runout_gcode:
    MOTION_SOUND
    {action_call_remote_method("notify",
    name="my_telegram",
    message="Motion sensor alarm!")}

[filament_switch_sensor switch_sensor]
switch_pin: host:gpiochip0/gpio8
pause_on_runout: True
runout_gcode:
    SWITCH_SOUND
    {action_call_remote_method("notify",
    name="my_telegram",
    message="Switch sensor alarm!")}

Add BTT Smart filament sensor 2.0 mount.