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

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  • H Offline
    Hawking @jdahli1
    last edited by Aug 2, 2017, 9:03 PM

    @jdahli1
    I don’t know this error, therefore the following two comments might be totally wrong:

    The motion detector uses

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

    to switch the monitor on. What happens if you execute this command manually while the observed problem occurs (I assume you can still login to the PI?). Then you might know weather it is a problem of the motion detection (and MMM) or if it is a more general problem. Maybe you even get additional error messages that help you to identify the problem

    1. Do you know the HDMI-settings in /boot/config.txt ?
      Maybe it is worth to play around with hdmi_force_hotplug, hdmi_drive, hdmi_group and hdmi_mode . See the file and here https://raspberrypi.stackexchange.com/tags/config.txt/info for more information. Maybe the “AR” in your error stands for “aspect ratio”, this could be set explicitly be these parameters.

    If somebody got this module to work on a Raspberry Pi Zero (using the Midori browser) I would be highly interested in how it was done!

    J 1 Reply Last reply Aug 3, 2017, 5:07 PM Reply Quote 0
    • J Offline
      jdahli1 @Hawking
      last edited by Aug 3, 2017, 5:07 PM

      @Hawking Thank you for the reply. Running that command does not appear to do anything. I let it sit for a minute and the command never completes, nor does the screen come on. It will sit until I ctrl + c. I will start to mess with the hdmi settings and see if that makes any difference.

      H 1 Reply Last reply Aug 3, 2017, 8:44 PM Reply Quote 0
      • H Offline
        Hawking @jdahli1
        last edited by Aug 3, 2017, 8:44 PM

        @jdahli1
        Can you just execute /opt/vc/bin/tvservice --preferred to see if it is tvservice or chvt that does not respond?

        Here https://news.screenly.io/how-to-automatically-turn-off-and-on-your-monitor-from-your-raspberry-pi-5f259f40cae5 also problems with turning the screen back on using tvservice are mentioned. Maybe the other methods mentioned in the article are worth a try. If they work you can simply change the commands used in ~/MagicMirror/modules/motiondetector/node_helper.js

        J 1 Reply Last reply Aug 4, 2017, 2:51 AM Reply Quote 0
        • J Offline
          jdahli1 @Hawking
          last edited by Aug 4, 2017, 2:51 AM

          @Hawking So running that command has the same result - nothing happens until I ctrl + c. I have been messing with the hdmi_* commands, but no luck so far.

          J 1 Reply Last reply Sep 7, 2017, 2:24 AM Reply Quote 0
          • R Offline
            reaper81
            last edited by reaper81 Aug 24, 2017, 12:26 PM Aug 24, 2017, 11:29 AM

            Can I use the Pi-Camera for Motion Detection and Face-Recognition at the same time or have I to use seperate cameras for each module?

            L B 2 Replies Last reply Aug 24, 2017, 5:28 PM Reply Quote 0
            • L Offline
              Lange @reaper81
              last edited by Aug 24, 2017, 5:28 PM

              @reaper81 said in Motion Detector:

              Can I use the Pi-Camera for Motion Detection and Face-Recognition at the same time or have I to use seperate cameras for each module?

              This uses a pir-sensor

              1 Reply Last reply Reply Quote 0
              • B Offline
                bhepler Module Developer @reaper81
                last edited by Aug 29, 2017, 1:23 PM

                @reaper81 You can use the same camera for both, but you’ll want to use a different module for motion detection. If you check out my posts, I put up a tutorial on using the PiCam for motion detection outside of the MirrorMirror framework. There’s no reason you can’t use my tutorial to get motion detection to turn your mirror display on and then the facial recognition module to switch the layout.

                At least… no reason that I know of.

                1 Reply Last reply Reply Quote 0
                • J Offline
                  jdahli1 @jdahli1
                  last edited by Sep 7, 2017, 2:24 AM

                  @jdahli1 Anyone have any thoughts as to what else to try? I have had no luck so far. Mirror continues to not turn back on randomly. Nothing I have changed so far seems to have worked. Any thoughts are appreciated.

                  1 Reply Last reply Reply Quote 0
                  • N Offline
                    Natacha3
                    last edited by Natacha3 Sep 11, 2017, 9:39 AM Sep 11, 2017, 9:37 AM

                    Hello all,
                    I m totally new to Raspberry Pi and it’s an absolute miracle that I succeed to make it works and to add some modules .
                    So I feel sorry to ask and I beg your pardon if my request hurts some of you but can someone could explain me how to install this module ?
                    So far I’ve only installed the ones in the MichMich page (https://github.com/MichMich/MagicMirror/wiki/MagicMirror²-Modules)
                    Sorry again to ask but I’m so affraid to “break” my magic mirror which works fine now !
                    if I disturb let me know I will delete my post.

                    Thanks for your help

                    Nat

                    ? M 2 Replies Last reply Sep 11, 2017, 9:54 AM Reply Quote 0
                    • ? Offline
                      A Former User @Natacha3
                      last edited by A Former User Sep 11, 2017, 9:55 AM Sep 11, 2017, 9:54 AM

                      @Natacha3

                      cd ~/MagicMirror/modules 
                      git clone https://github.com/alexyak/motiondetector
                      

                      In your config.js

                      {
                        module: "motiondetector"
                      },
                      

                      I think it would work, maybe…

                      1 Reply Last reply Reply Quote 0
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