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    A New Chapter for MagicMirror: The Community Takes the Lead
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    Wake up/Hibernate display

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    • C Offline
      CheapDad
      last edited by

      I’m using a monitor in my project that does NOT have HDMI. I’m using an DVI to HDMI adapter to make it work.

      Do I have any options for allowing the monitor to go to sleep and then wake up when needed? Note that a PIR sensor does not work because I don’t have HDMI.

      G S 2 Replies Last reply Reply Quote 0
      • G Offline
        George @CheapDad
        last edited by

        @cheapdad , Hi, what’s the connection between HDMI and PIR? I built three mirrors, all three have adapters and use PIR.

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

          @cheapdad u can still turn off the hdmi output… the monitor might show ‘no input’… which mine do…

          so I went to blanking (hide all modules)…

          Sam

          How to add modules

          learning how to use browser developers window for css changes

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          • C Offline
            CheapDad @George
            last edited by

            @george said in Wake up/Hibernate display:

            @cheapdad , Hi, what’s the connection between HDMI and PIR? I built three mirrors, all three have adapters and use PIR.

            I understood that the PIR sensor uses HDMI-CEC to communicate shutting off the monitor. Is that not true?

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            • S Offline
              sdetweil @CheapDad
              last edited by sdetweil

              @cheapdad no. PIR signals software. there are three different ways

              Sam

              How to add modules

              learning how to use browser developers window for css changes

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              • C Offline
                CheapDad @sdetweil
                last edited by

                @sdetweil said in Wake up/Hibernate display:

                @cheapdad u can still turn off the hdmi output… the monitor might show ‘no input’… which mine do…

                so I went to blanking (hide all modules)…

                How do you do that?

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                • C Offline
                  CheapDad @sdetweil
                  last edited by

                  @sdetweil said in Wake up/Hibernate display:

                  @cheapdad no. our signals software. there are three different ways

                  I’m sorry but I don’t understand this at all.

                  No, the PIR sensor does not use HDMI-CEC?

                  What signals software are you referring to?

                  What are the 3 different ways?

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                  • S Offline
                    sdetweil @CheapDad
                    last edited by sdetweil

                    @cheapdad sorry, typo.

                    phone didn’t like the word PIR

                    pir is a heat sensor
                    it signals, heat, and then no heat. that is all.
                    software has to make intelligent work from that

                    the PIR modules see heat, and turns ON the display
                    they see no heat, and some time later turns OFF the display

                    actually 4 ways to turn on/off the display/source, all commands u can issue

                    tvservice
                    vcgencmd
                    dpms
                    and the latest to turn off the display
                    cec-utils

                    many of the pir modules allow you to choose which approach u want to use.

                    some people are unable to use any of those (me)

                    so I wrote a module to hide the modules

                    Sam

                    How to add modules

                    learning how to use browser developers window for css changes

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                    • S Offline
                      sdetweil @CheapDad
                      last edited by

                      @cheapdad and there two more ways, that need software

                      you can control a switch/relay that turn the power off /on to the display, for those monitors that don’t have internal controls that prevent this. (my monitors do not come back on after a power failure)

                      and you can modify the logic of the didplay with a relay/switch to turn on/off the backlight of the display. so the display is powered on, but not active

                      Sam

                      How to add modules

                      learning how to use browser developers window for css changes

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                      • G Offline
                        George @CheapDad
                        last edited by

                        @cheapdad , in my mirrors the PIR sensor stop the display of the modules but the monitor continues to work, it display a black screen.

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