KP3S Pro Smart Filament Sensor

thingiverse

This filament sensor can detect break, jam, filament tangle, runout. Demo: https://youtube.com/shorts/hGhznFkpdhs Part list: 2 M3x6mm screw 1 speed sensor like this one (the short one) https://aliexpress.com/item/32959441958.html 1 608 bearing. 1 rubber band I printed the case with support. After the print: - Put cap on top of Z, screw back 2 screws on top. - Put rubber band on the wheel to improve friction. - Wire from mainboard or the plug on stock sensor. vcc-vcc (left to right), gnd-gnd (middle to right), Signal pin (PA4) to Out (rignt to middle). - Turn on the machine and check if the led blink when you spin the wheel. Add code to Klipper: [filament_motion_sensor FilamentSensor] pause_on_runout: True detection_length: 7.0 extruder: extruder runout_gcode: M118 Starting filament change M600 insert_gcode: switch_pin: !PA4 event_delay: 5.0 Happy printing!