Filament Monitor
Free     Thingiverse     bluetobits

Filament Monitor

This is a quick and dirty Arduino based solution to address filament feed issues It monitors filament feed rate and compares against extruder stepper motor pulses and will pause the printer if the extruder tries to print with a blocked broken or ...

similar models —

Filament Monitor alternatives
Monitor Keycap
Dörschges
Filament clip
Renzo Dani
Filament spool
TV-SHOT
Filament guide
GerryPB