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Thread: Low Filament Sensor
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10-10-2015, 10:08 PM #11
Two very easy ways to sense low filament:
1) Weight. Have a scale that beeps when you hit a certain minimum weight. Since you already know the base weight of the holder and spool, a low weight threshold is easy to calculate.
2) A hall sensor on the spool measuring rotation of the spool vs the linear travel of the filament (another wheel with a hall sensor). When the ratio hits a certain level, you about how much filament is left on the spool.
Do bed magnets deteriorate.
04-29-2024, 01:35 AM in General 3D Printing Discussion