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Arduino UNO Lose of homing.

Discussion in 'CNC Mills/Routers' started by ca. 280, Apr 6, 2025.

  1. ca. 280

    ca. 280 New
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    My machine will no longer "home". Z axis raises till the limit switch, the X axis then jerks twice to the right
    and then everything stops. All 3 axis work fine when jogging. The X and Z trouble lights are flashing
    on and off but the alarm lamp is off. Tried a different UNO, same result. Was working fine 3 days ago.
    We verified the limit switches and alarms work correctly by manually operating the switch, nor does any
    alarm code appear on the console. The problem occurs with both Open Builds and Candle apps.
    And yes we tried rebooting the UNO the App and the Computer more than once.
    Any suggestions appreciated.
     
  2. ca. 280

    ca. 280 New
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    An update: tried 3 different ports on the PC and a new cable. Same result.
     
  3. ca. 280

    ca. 280 New
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    Won't bore you with the seems like hundreds of things we tried, the culprit turned
    out to be the remote mouse. Was apparently sending false signals to the PC which in turn
    sent false data to the Arduino. Not the battery, the mouse.
     
    Gary Caruso likes this.
  4. ca. 280

    ca. 280 New
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  5. David the swarfer

    David the swarfer OpenBuilds Team
    Staff Member Moderator Builder Resident Builder

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    thanks for the feedback.
    My own experience with wireless mice was terrible, several different brands all did the same weird 'only click when moving' thing and I had to go back to a wired mouse which has now been working for 10 years without any issues at all.

    Overall I'd advise everyone to avoid wireless 'anything' in the control of a machine that can remove limbs.
     
    Gary Caruso and ca. 280 like this.

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