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

    Want to turn off my monitor

    Scheduled Pinned Locked Moved Troubleshooting
    monitorpower-saving
    27 Posts 9 Posters 23.1k Views 7 Watching
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    • cruunnerrC Offline
      cruunnerr
      last edited by cruunnerr

      Sure, this is possible. For the beginning it seems easy, because u needn’t any optional hardware :)

      For your understanding how cronjobs works u should note the following:

      * * * * * user executive_command
      ┬ ┬ ┬ ┬ ┬
      │ │ │ │ │
      │ │ │ │ └──── Weekday (0-7, Sunday is 0 or 7)
      │ │ │ └────── Month (1-12)
      │ │ └──────── Day (1-31)
      │ └────────── Hour (0-23)
      └──────────── Minute (0-59)
      

      So for your special wish ^^it should look like this:

      # /etc/crontab: system-wide crontab
      # Unlike any other crontab you don't have to run the `crontab'
      # command to install the new version when you edit this file
      # and files in /etc/cron.d. These files also have username fields,
      # that none of the other crontabs do.
      
      SHELL=/bin/sh
      PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
      
      # m h dom mon dow user  command
      17 *    * * *   root    cd / && run-parts --report /etc/cron.hourly
      25 6    * * *   root    test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.daily )
      47 6    * * 7   root    test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.weekly )
      52 6    1 * *   root    test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.monthly )
      0 6,16  * * 1,2,3,4,5   root  /home/pi/monitor_on.sh
      0 9,22  * * 1,2,3,4,5   root  /home/pi/monitor_off.sh
      0 8     * * 6,7   root  /home/pi/monitor_on.sh
      0 22    * * 6,7   root  /home/pi/monitor_off.sh
      #
      

      Or if you don’t want to create the *.sh files u can also just type the directly command.
      Like this:

      0 6,16  * * 1,2,3,4,5   root  /usr/bin/tvservice -p
      0 9,22  * * 1,2,3,4,5   root  /usr/bin/tvservice -o
      0 8     * * 6,7   root  /usr/bin/tvservice -p
      0 22    * * 6,7   root  /usr/bin/tvservice -o
      

      Last thing is the extremely easiest way because u just need to modify the crontab. there is nothing else needed at all.
      Just put these commands in your crontab and u are done ^^

      1 Reply Last reply Reply Quote 0
      • R Offline
        robmcc83
        last edited by

        That’s brill your a legend, got a few hours to myself tomorrow so armed with all this information and sure be giving this a try see what the outcome is.
        Thank you so much :)

        1 Reply Last reply Reply Quote 0
        • Mykle1M Offline
          Mykle1 Project Sponsor Module Developer @Mykle1
          last edited by Mykle1

          @Mykle1 said in Want to turn off my monitor:

          { exec(‘xset dpms force on’, null); }
          { exec(‘xset dpms force off’, null); }

          These commands do work. I just tested them on my desktop machine with a monitor connected through DVI and a laptop. Displays are immediately turned off (standby) and on. Here’s the laptop.

          https://youtu.be/3ldlUPkw2nM

          Create a working config
          How to add modules

          R 1 Reply Last reply Reply Quote 2
          • R Offline
            robmcc83 @Mykle1
            last edited by

            @Mykle1 that’s cool as :) what are you using for the voice command I love that its brill.

            Mykle1M 1 Reply Last reply Reply Quote 0
            • Mykle1M Offline
              Mykle1 Project Sponsor Module Developer @robmcc83
              last edited by

              @robmcc83 said in Want to turn off my monitor:

              that’s cool as :) what are you using for the voice command I love that its brill.

              https://github.com/mykle1/Hello-Lucy

              Create a working config
              How to add modules

              1 Reply Last reply Reply Quote 1
              • J Offline
                Jonae @cruunnerr
                last edited by

                @cruunnerr i made your tutorial, works like charm! only problem i found is: replaced print “.”, with: print (“.”), Thenks!

                J 1 Reply Last reply Reply Quote 0
                • J Offline
                  Jonae @Jonae
                  last edited by

                  @Jonae
                  i encounterd another problem, sometimes after display goes ON the resolution is changed. any ideas why?

                  karsten13K 1 Reply Last reply Reply Quote 0
                  • karsten13K Online
                    karsten13 @Jonae
                    last edited by

                    @Jonae

                    I had similar problems using xrandr for disabling/enabling the monitor.

                    We did a fix in mm for the above problem (coming with next release) but I don’t know if this fixes your problem too.

                    You can find the fix in this PR.

                    J 1 Reply Last reply Reply Quote 0
                    • J Offline
                      Jonae @karsten13
                      last edited by

                      @karsten13 said in Want to turn off my monitor:

                      @Jonae

                      I had similar problems using xrandr for disabling/enabling the monitor.

                      We did a fix in mm for the above problem (coming with next release) but I don’t know if this fixes your problem too.

                      You can find the fix in this PR.

                      Thank you, i updated the file, hope for the best :)

                      J 1 Reply Last reply Reply Quote 0
                      • J Offline
                        Jonae @Jonae
                        last edited by

                        so far so good, no problems. so i can call it a fix for me.

                        Thanks

                        1 Reply Last reply Reply Quote 0
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