- If filament is present, nothing happens.
- If filament runs out, scream your fool head off to alert a nearby operator.
- Enclosure can be 3D printed
- Self-contained (no external power or signals)
- Requires no modifications to the 3D printer to be monitored
- Electrically simple, and using a minimum of easy to source parts
- Long battery life, low power usage
- Easy to turn off when responding to an alarm
Source with the build guide:
All the files can be found at: