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Xtension Limit switches, please help

Discussion in 'Other Builds' started by DavidCNC2017, Feb 22, 2021.

  1. DavidCNC2017

    Builder

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    Hi

    Recently I bought Openbuilds Xtension Limit switches to install them on my GRBL machine. Machine is based on Arduino ( to be more exactly to the Phoenix GRBL controller, which is one of incarnation of Arduino boards).

    I would like to get some help.

    First of all, as I am reading in internet , all sources recommend to use normally closed switches in CNC machines, saying that in that case there is a little bit more safety.

    I can make the Xtension Limit switche as NC, but seems I will loose the noise reduction in that case.

    Can anybody help me with the wiring diagram of Openbuilds Xtension Limit switches to regular Adruino board ( not Black box !)

    Thank You in advance
    David
     
  2. Peter Van Der Walt

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

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    SIG to the signal pin
    GND to GND
    V+ to 5V


    No need, Xtension limits have onboard RC filters, and the Grbl default settings work with NO switches
     
  3. DavidCNC2017

    Builder

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    Thank You !
     
    Peter Van Der Walt likes this.

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