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DIY Filament Runout Sensor
by ahmeted
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A basic filament runout sensor.
Required Parts:
- Kw10 z5p Micro Switch (Or another switch of the same size)
- x3 M3x10mm Bolts and Nuts
- x2 M2x10mm Bolts and Nuts
- x2 Teflon Tube (about 20mm) (optional)
Connection:
You can use this sensor on any printer. Connect one of the pins of the switch to the data and the other to the GND pin. Thats it.
*I recommend using the C and NC pin of the micro switch.
Firmware Configuration:
- Find //#define FILAMENT_RUNOUT_SENSOR and remove the slashes (//)
- Make sure the lines below are the same for you;
#define FIL_RUNOUT_ENABLED_DEFAULT true
#define NUM_RUNOUT_SENSORS 1
#define FIL_RUNOUT_STATE LOW
#define FIL_RUNOUT_PULLUP
This configuration worked fine on my ender 3 pro printer with SKR mini e3 v2 motherboard. It will probably work for you too.
Required Parts:
- Kw10 z5p Micro Switch (Or another switch of the same size)
- x3 M3x10mm Bolts and Nuts
- x2 M2x10mm Bolts and Nuts
- x2 Teflon Tube (about 20mm) (optional)
Connection:
You can use this sensor on any printer. Connect one of the pins of the switch to the data and the other to the GND pin. Thats it.
*I recommend using the C and NC pin of the micro switch.
Firmware Configuration:
- Find //#define FILAMENT_RUNOUT_SENSOR and remove the slashes (//)
- Make sure the lines below are the same for you;
#define FIL_RUNOUT_ENABLED_DEFAULT true
#define NUM_RUNOUT_SENSORS 1
#define FIL_RUNOUT_STATE LOW
#define FIL_RUNOUT_PULLUP
This configuration worked fine on my ender 3 pro printer with SKR mini e3 v2 motherboard. It will probably work for you too.
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