This filament run-out sensor for 1.75mm filament detects an empty spool in time and ensures that your prints never fail again!
The product comes with a 100cm long wire:
- Red - + 5/3V
- Black - Ground
- White - Signal
The sensor has a clear arrow marking for the direction of the filament and is very sensitive so that the filament will be detected quickly. The sensor can be easily mounted through the two 3mm holes.