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How to utilize BLTouch Connector in Creality 4.2.2 Board

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  • How to utilize BLTouch Connector in Creality 4.2.2 Board

    Hi, Does anyone know how to configure Marlin to use the BLTouch connector on the Creality 4.2.2 motherboard instead of the Z Endstop connector?

    I have just brought Ender 3 MAX. On such a big plate I have to use ABL. However, Creality's own firmware does no work or I don't know how to get it working.
    I have compiled the Marlin 2.0.7 to work with Z Endstop connector.

    The BLTouch fails randomly during the bed leveling process. The BLTouch is OK. I have tested it in Ender 3 V2.

    As the last hope is to get the BLTouch connector to work, but I cannot find any info about the configuration. Any ideas?

    __________________________________________________ ____________________________________________-
    Solution:

    I finally found the correct value and got the BLTouch working through the connector.


    // Force the use of the probe for Z-axis homing
    #define USE_PROBE_FOR_Z_HOMING
    Last edited by stinde; 03-10-2021, 01:00 AM.
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