4. Bltouch G92 command

Bltouch G92 command


  • 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,

    OB i3 style printer with the DuetWifi, familiar with programming and compiling code for Linux, building computers, and Computer Graphics(more Creative, than DIY Hobbyists). Duetwifi, generic Extruder, with E3d v6, 220*220 heated bed.

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

    OB i3 style printer with the DuetWifi, familiar with programming and compiling code for Linux, building computers, and Computer Graphics(more Creative, than DIY Hobbyists). Duetwifi, generic Extruder, with E3d v6, 220*220 heated bed.

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