FLSUN QQ, QQ-S, Q5, and SR 3D Printer Owners | Filament runout sensor installing test...don't forget to change your config file like picture..cfg filament det trigger level 1....and remake your aut...
Amazon.com: TriangleLab Filament Runout Sensor Detector for 3D Printer 1.75mm Filament : Industrial & Scientific