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    A New Chapter for MagicMirror: The Community Takes the Lead
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    Motion Detector

    Scheduled Pinned Locked Moved Utilities
    213 Posts 38 Posters 486.6k Views 39 Watching
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    • cowboysdudeC Offline
      cowboysdude Module Developer
      last edited by paviro

      I just typed in the sudo modprobe bcm2835-v4l2 and it returned nothing so I’m guessing that’s a good thing LOL

      1 Reply Last reply Reply Quote 0
      • cowboysdudeC Offline
        cowboysdude Module Developer
        last edited by paviro

        So this is what I’ve done and it solved it…

        I took your sudo modprobe bcm2835-v4l2 and entered before I started the mirror and no more error so I started the mirror in dev and it was registering movement…Great!

        So I closed the mirror and restarted… same error, driver not loaded…

        so I did this in case of a power out,e tc…in a terminal window:

        sudo crontab -e

        Enter this on the last line:

        @reboot sudo modprobe bcm2835-v4l2

        Saved and exited.
        Reboot
        Restart mirror in dev mode
        NO error and tracks movement
        close mirror and restart in dev
        NO error and tracks movement.

        PROBLEM SOLVED!! Thank you guys for being patient!! It’s working.

        1 Reply Last reply Reply Quote 3
        • T Offline
          trividar
          last edited by

          Thank you guys! you are amazing!

          1 Reply Last reply Reply Quote 1
          • S Offline
            sero
            last edited by

            Same here, works like a charm!
            Thanks guys :)

            1 Reply Last reply Reply Quote 1
            • A Offline
              alexyak
              last edited by

              Huge thank you to @strawberry-3-141 for helping to troubleshoot this issue and suggesting the solution! While I know all kinds of dev languages and tools, I am pretty new RPI and Linux.

              1 Reply Last reply Reply Quote 1
              • T Offline
                trividar
                last edited by

                Hi guys,
                I have a problem. My MM do not turn on the display in the morning. I is possible that my pi camera is in a kind of sleepmode or standby? I have to restart with pm2 stop mm and start again an than it works fine.

                cowboysdudeC 1 Reply Last reply Reply Quote 0
                • cowboysdudeC Offline
                  cowboysdude Module Developer @trividar
                  last edited by cowboysdude

                  @trividar said in Motion Detector:

                  Hi guys,
                  I have a problem. My MM do not turn on the display in the morning. I is possible that my pi camera is in a kind of sleepmode or standby? I have to restart with pm2 stop mm and start again an than it works fine.

                  I have encountered that MANY times… don’t exactly know why myself… It’s not just this module it happens with most of them… I believe once it sleeps long enough the PI doesn’t want to wake up LOL

                  1 Reply Last reply Reply Quote 0
                  • C Offline
                    cpramhofer
                    last edited by paviro

                    Hi Guys,

                    had exactly the same problem with mit Raspi NOIR Cam V2.1.
                    the sudo modprobe bcm2835-v4l2 command solved my problem.

                    maybe you should add this Tipp in your Readme as many people out there have the same problem.

                    greets
                    Christoph

                    1 Reply Last reply Reply Quote 1
                    • T Offline
                      trividar
                      last edited by trividar

                      Hi Christoph
                      Unfortunately it didn’t work for me;o( Today my screen did not turn on. My Pi works and I can connect over ssh but I have to stop and start my MM and thank works again fine. I just think that my camera stop working if there is no motion a long time (during night).

                      I got some errors during the night:
                      0_1473579292739_Bildschirmfoto 2016-09-11 um 09.31.31.png

                      1 Reply Last reply Reply Quote 0
                      • A Offline
                        alihallo
                        last edited by

                        First of all, I also had the problem which could be solved by adding

                        @reboot sudo modprobe bcm2835-v4l2
                        

                        at the last line of the crontab. Thank you very much!

                        It works fine for some hours, but suddenly the monitor does not show up again.
                        I cannot see error messages, but the following commands does not get an answer anymore…

                        /opt/vc/bin/tvservice -s
                        

                        There is no return value anymore, it is just loading forever.
                        In the log it looks like this:

                        mm-0 monitor :state 0x12000a [HDMI CEA (16) RGB lim 16:9], 1920x1080 @ 60.00Hz, progressive
                        mm-0 monitor has been activated
                        mm-0 monitor :state 0x120002 [TV is off]
                        mm-0 monitor has been deactivated
                        mm-0 monitor :state 0x12000a [HDMI CEA (16) RGB lim 16:9], 1920x1080 @ 60.00Hz, progressive
                        mm-0 monitor has been activated
                        mm-0 monitor :state 0x120002 [TV is off]
                        mm-0 monitor has been deactivated
                        mm-0 monitor :state 0x12000a [HDMI CEA (16) RGB lim 16:9], 1920x1080 @ 60.00Hz, progressive
                        mm-0 monitor :
                        mm-0 monitor :
                        mm-0 monitor has been deactivated
                        mm-0 monitor :
                        

                        As soon as the problem occures, the command

                        /opt/vc/bin/tvservice --preferred && sudo chvt 6 && sudo chvt 7
                        

                        also does not switch the monitor on again.
                        It seems that the tvservice command just got a problem after some hours… Any idea how to solve this?
                        I need to restart the pi to get the monitor on again, after that everything works fine for some hours…

                        Best regards,
                        alihallo

                        1 Reply Last reply Reply Quote 0
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