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    Bltouch G92 command

    Duet Hardware and wiring
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    • npm1
      npm1 last edited by

      Hiya,
      The bltouch seems to be inaccurate as a device for homing, because of this, I have to continuously go in and adjust the g92 command for that first layer.

      Please help, as the bltouch doesnt seem to be performing consistently enough.
      Currently the touch has a 240ohm resistor soldered to it.

      This is not what I imagined zhoming and bed levelling with bltouch to be.

      Kind Regards,

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      • resam
        resam last edited by

        The BLTouch is known to have a large deviation between probings. Mine usually varies by as much as 0.060mm.

        I recently upgraded to an inductive probe: PL08N, which is about 10x more precise/repeatable in my setup.
        There is also a piezo-disc-based sensor from precisionpiezo.co.uk which is also very precise/repeatable.
        Or you can try microswitch-based solutions for homing.

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        • npm1
          npm1 last edited by

          I am never gonna use the bltouch again,
          especially since the acurecy is consistently of….

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