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Thread: 3d probe issues

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  1. 03-04-2023, 06:10 PM #1
    thebirdman
    thebirdman is offline Member
    Join Date
    Jul 2022
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    22

    3d probe issues

    Hi All, another stumbling issue, I dumped the touch plate Idea and went with a 3d probe thinking I would simplify things ?
    Issue I'm having is not enough voltage at the C25 input pin to make Mach4 happy ....
    here is the schematic for the probe:

    Resistance between Vcc and Signal measures 5K

    Vcc connected to 5V
    Sig connected to P2-10
    Grd to Grd

    Sig (not connected to C25 has 4.9V
    Sig Connected has 2.07V
    Light on C25 is dim

    Has anyone come across this and find a solution? Or a suggestion to try ?

    Again TY in advance for any input
    Randy
    Attached Thumbnails Attached Thumbnails schematic.jpg  
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