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    How does the Laser Filament Data Processing work?

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    Filament Monitor
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    • Hornetriderundefined
      Hornetrider
      last edited by

      Hi

      I have been using the laser filament sensor for a while now, and must say, I am quite happy. Even without changing values due to filament properties...
      Especially as it reacts as a "run out" and different extrusion situations.

      But...
      As I understand the sensor sends the data and the DUET does the math, right?
      I would really like to learn how the DUET2 evaluates and calculates the signals from the sensor.

      So, what is the math behind it?
      Is there a time constant for vallues, so the reaction is a bit delayed?
      Is there any way to compensate for high fluctuating valuees during print?

      From my perpective the most crucial function ist to detect a fliament run out.
      Under or over extrusion are secondary.

      Is there a way to have the filament run-out solved by FW regardless of the values, or do we really need to integrate a switch?

      Looking forward for your inputs.

      Cheers

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      • A Former User?
        A Former User
        last edited by

        its all open source ..

        https://github.com/T3P3/FilamentMonitors/tree/master/Filament_Monitor_Laser_v1.7
        and
        https://github.com/dc42/RepRapFirmware

        i believe

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