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    PIR sensor behind glass?

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    • yo-lessY Offline
      yo-less Module Developer @RedNax
      last edited by yo-less

      @RedNax Your mirror looks really cool.

      Our mirror will be mounted pretty much at eye level so having the sensor at the bottom of the frame won’t be an option for me, but I’m already experimenting with covering the sensor with plastic stuff ^^.

      Is there an xkcd module I’m not aware of?

      And may I ask where you got your glass? Some of the pictures I’ve seen look like you can still see the monitor behind the glass but with your mirror that doesn’t seem to be the case.

      RedNaxR 1 Reply Last reply Reply Quote 0
      • RedNaxR Offline
        RedNax Module Developer @yo-less
        last edited by RedNax

        @yo-less Thanks!

        The mirror is from a dutch webshop… At night, when there’s no other illumination you do see the backlight of the screen shining through… In the daytime it looks like the picture.
        I’ve been pondering altering the backlight/brightness of the screen according to ambiant lightlevels… unfortunately this is only controllable by navigating the screens menu as opposed to discrete buttons…

        Oh, and yes… there is: https://github.com/RedNax67/DailyXKCD

        It’s forked from the original author… Ive added the random comic on non comic days…

        yo-lessY 1 Reply Last reply Reply Quote 0
        • yo-lessY Offline
          yo-less Module Developer @RedNax
          last edited by

          @RedNax Alright, is that the case with all types of glasses? I guess it would be?

          RedNaxR 1 Reply Last reply Reply Quote 0
          • RedNaxR Offline
            RedNax Module Developer @yo-less
            last edited by

            @yo-less It think all mirrors suffer from this… You need enough brightness to show things in the day… Which will be overkill at night…

            1 Reply Last reply Reply Quote 0
            • yo-lessY Offline
              yo-less Module Developer
              last edited by

              @RedNax Apparently some monitors seem to allow for external commands to change the light levels:
              http://lifehacker.com/5985364/change-your-monitors-brightness-without-fiddling-with-its-buttons

              They seem to have to support DDC/CI and if there is a tool for Windows PCs there should be some way to get the same thing done on a Pi?

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

                @yo-less said in PIR sensor behind glass?:

                Can a PIR sensor be covered by anything at all or does any kind of material automatically block motion detection?

                You really can’t cover a PIR it just won’t work… BUT you can remove the ‘dome’ and incorporate into the frame a little better OR you can just put it into the frame with the ‘dome’ on it and make it decorative…

                yo-lessY 1 Reply Last reply Reply Quote 1
                • cowboysdudeC Offline
                  cowboysdude Module Developer @yo-less
                  last edited by cowboysdude

                  @yo-less changing the brightness would be really nice… having it automatic would be better… you know at a certain time of night it dims automatically… but there is this…

                  https://github.com/xflux-gui/xflux-gui

                  yo-lessY 1 Reply Last reply Reply Quote 1
                  • yo-lessY Offline
                    yo-less Module Developer @cowboysdude
                    last edited by

                    @cowboysdude Thanks for the link. Does f.lux have access to the monitor’s brightness settings? As this has nothing to do with my original question I will start a new topic concerning the brightness issue at night.

                    1 Reply Last reply Reply Quote 0
                    • yo-lessY Offline
                      yo-less Module Developer @cowboysdude
                      last edited by

                      @cowboysdude We might just drill a tiny hole into the frame of the mirror and put the PIR behind it without its Fresnel cover. Will experiment with that idea some more.

                      yawnsY 1 Reply Last reply Reply Quote 1
                      • yawnsY Offline
                        yawns Moderator @yo-less
                        last edited by

                        @yo-less said in PIR sensor behind glass?:

                        @cowboysdude We might just drill a tiny hole into the frame of the mirror and put the PIR behind it without its Fresnel cover. Will experiment with that idea some more.

                        That’s the approach I was thinking of. Which PIR will you use?

                        yo-lessY 1 Reply Last reply Reply Quote 1
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