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    Magnetic Filament sensor

    Duet Hardware and wiring
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    • matej1006
      matej1006 last edited by

      Hello

      I want to include in my printer for each tool magnetic filament sensor.
      And i would like to know where i must put them close to hot end or not ?
      Because if i must put them close to hot end then i must change my tool completely.
      Or if i put them about 1m before hotend is that good?
      i will use Nimble Zesty extruder for each tool.

      Matej

      dc42 1 Reply Last reply Reply Quote 0
      • dc42
        dc42 administrators @matej1006 last edited by

        The filament monitor should be placed immediately before or after the extruder drive mechanism. 1m before won't work well because the elasticity of the filament in the tube will lead to poor correlation between extruder movement and filament monitor movement.

        matej1006 1 Reply Last reply Reply Quote 0
        • matej1006
          matej1006 @dc42 last edited by

          @dc42 OK then are must be mounted to any flat surface or not can i hang thwn on the apricorn tube?

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          • dc42
            dc42 administrators last edited by

            You can hang them on the tube if the tube between the filament monitor and the inlet to the extruder is very short, so that the tube hardly bends at all when the direction changes between extrusion and retraction.

            matej1006 1 Reply Last reply Reply Quote 0
            • matej1006
              matej1006 @dc42 last edited by matej1006

              Hello @dc42

              so after that must be near i came up with somethnig like that
              5326eba6-fdd3-42b2-b4c0-a6d41347d85c-image.png

              and then i can mounted with some bracket to nimble or anything else more rigid

              or i put sensor more away and will be less bending?

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              • matej1006
                matej1006 last edited by matej1006

                @dc42 Were are led diode that show status ? On magnetic sensor pcb or duet?
                and can i run 4 sensor at once on each tool one ? or will be this to much for my main board ?

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