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    A New Chapter for MagicMirror: The Community Takes the Lead
    Read the statement by Michael Teeuw here.

    Raspberry 4 with two 24-inch screens ?

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    • C Offline
      Cbob
      last edited by

      thank you for your answer, but I did not succeed.

      I have two instances that launch, but it appears on the same screen. Are you solution for to help me ?

      S 1 Reply Last reply Reply Quote 0
      • S Offline
        sdetweil @Cbob
        last edited by sdetweil

        @Cbob
        following the configuration instructions

        https://github.com/MichMich/MagicMirror#general

        you can add a section for passing to the browser, electron
        add that line in front of the modules: line

        this says,
        not fullscreen
        800 pixels wide
        and starting (left edge is 0) at pixel 600

         electronOptions: {fullscreen:false, width:800, x:600},
        

        so, if your screen is 1920*2 wide
        to get the window onto the second screen,
        x:1920 seems right

        Sam

        How to add modules

        learning how to use browser developers window for css changes

        1 Reply Last reply Reply Quote 1
        • B Offline
          Bruno
          last edited by

          Guys, I’m having problem starting two instances of magic mirror.

          I have a Raspberry Pi 4. One HDMI port is connected on my PC Screen, the other one on my TV (just for example. I’ll use two screens on my actual mirror).

          I am able to start Magic Mirror on the second screen putting this line on the config.js of the second instance

          electronOptions: {fullscreen:true, x:1920},
          

          (My first screen is 1920px wide).

          I can get two instances to work, the problem is they are ALWAYS the same instance.

          One instance is installed on ~/MagicMirror. The second is on ~/MagicMirror2.
          I have two start scripts:

          ~/MagicMirror/mm.sh

          cd /home/pi/MagicMirror
          DISPLAY=:0 npm start
          

          And ~/MagicMirror2/mm2.sh

          cd /home/pi/MagicMirror2
          DISPLAY=:0 npm start
          

          The first instance I have my modules and the second is the default instance (default config.js) that comes with the instalation (except for the “electronOptions” above, “address” and “ipWhiteList”).

          The problem is that the second instance I start ALWAYS is the same as the first one.
          For example, if I use “pm2 start mm”, my first instance appears on my first screen.
          After that I use “pm2 start mm2” and also the FIRST INSTANCE appears on the second screen.

          Any thoughts on how to correct that? What am I doing wrong?

          S 1 Reply Last reply Reply Quote 0
          • S Offline
            sdetweil @Bruno
            last edited by

            @Bruno use pm2 info mm, and pm2 mm2 to make sure they are starting the right script

            Sam

            How to add modules

            learning how to use browser developers window for css changes

            1 Reply Last reply Reply Quote 0
            • B Offline
              Bruno
              last edited by

              Ok, sorry. Just found out… I was using the same port on both instances :neutral_face:

              1 Reply Last reply Reply Quote 0
              • B Offline
                banbutcher
                last edited by

                for display 1 - mm.sh

                cd /home/pi/MagicMirror
                DISPLAY=:0 npm start
                

                for display 2 - mm2.sh

                cd /home/pi/MagicMirror
                DISPLAY=:1 npm start
                

                i could be wrong tho…

                S 1 Reply Last reply Reply Quote 0
                • S Offline
                  sdetweil @banbutcher
                  last edited by

                  @banbutcher no, on PI4 there is only one ‘display’…
                  you have to use the electronOptions, x:??? value to set the left edge of each (0 is left)

                  Sam

                  How to add modules

                  learning how to use browser developers window for css changes

                  1 Reply Last reply Reply Quote 0
                  • B Offline
                    banbutcher
                    last edited by

                    @sdetweil

                    i knew i could be wrong!! :D

                    1 Reply Last reply Reply Quote 0
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