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Xtension Limit Switch to CNC Shield V3

Discussion in 'DrawBot' started by DTZBoe, Jan 11, 2022.

  1. DTZBoe

    DTZBoe New
    Builder

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    Hi everyone,

    Completely new this. I am currently building (or at least trying to) a pen plotter using the ACRO system utilising an Arduino UNO + CNC Shield. I've managed to get things to work for the most part with the exception of the Xtension Limit Switches that come included. Could anyone point me to a wiring diagram that would help me to get these to work with the CNC shield?

    Any pointers would be greatly appreciated!
    Many thanks!
     
  2. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
    Staff Member Moderator Builder Resident Builder

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    Gnd to Gnd
    V+ to 5v
    SIG to rhe the relevant endstop input
     
  3. Giarc

    Giarc OpenBuilds Team
    Staff Member Moderator Builder Resident Builder

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    If you are using a cheap Chinese knock-off CNC shield, the pinout for GRBL 0.9 and up is wrong for one of the limit switches. See the gnea GRBL wiki for help.
     

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