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    A New Chapter for MagicMirror: The Community Takes the Lead
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    RPie reboots when switching roomlights on/off

    Scheduled Pinned Locked Moved Solved Troubleshooting
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    • FrühstückF Offline
      Frühstück
      last edited by Frühstück

      Hey Everyone!

      My MagicMirror shows strange behavior since Minute one. When a Light somewhere in our Apartment is switched on or off there is a chance that the Raspberry Pi 3B+ does a reboot. Happens approx one out of three times.

      Hardware:

      • Raspberry Pi 3B+ with
      • PIR motion sensor and
      • Raspberry Camera
      • a 27" Monitor (via HDMI)
      • a “main power switch” inside the case
      • a charger for the RPi

      I thought, the Monitor could give some bad electricity spike to the RPi and switched over to an VGA Cable but that did not help. I’ve also tried a bowerbank instead of a charger with no luck.

      Sadly I can’t find any helpful links on google as the keywords “switch, light, reboot” are often used for other projects.

      I am happy for any advice, thought and idea you may come up! : )

      Greets,
      Michael

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      • A Offline
        AxLed Module Developer
        last edited by

        @Frühstück
        I had a similar problem with a button connected to the GPIO Pins. In my case the button/pi/gpio reacted if i switched on a roomlight (which has nothing to do with my pi), even nothing was pressed at the pi.
        I think the cause of your problem could be the “main power switch” of your pi case. Is this connected to the gpio pins and was there a script which was delivered with the case?
        A helpful search string for google could be “interference raspberry pi gpio”.

        In my case some capacitors at the gpio wiring was the solution.

        AxLED

        FrühstückF 1 Reply Last reply Reply Quote 1
        • FrühstückF Offline
          Frühstück @AxLed
          last edited by

          Thank you @AxLed !

          I forgott to mention a power & a reboot button attached to the GPIO Pins and exactly that (false positive reboot-script execution) was the root of the Problem. I solved it with rechecking the pins for LOW-state after a 1/10 of a second.

          This issue bugged me for several months. Thank you again!

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