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

PIR-Sensor - put your mirror to sleep if not used

Scheduled Pinned Locked Moved System
utilitygpiomotion-sensorpower-saving
56 Posts 32 Posters 97.1k Views 47 Watching
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  • M Offline
    Morningstar @AAPS
    last edited by Morningstar Feb 9, 2017, 9:06 PM Feb 9, 2017, 7:54 PM

    @AAPS
    (Raspi 3)
    Just connect the PIR sensor Pins with three of these connector cables (female on both sides) directly to the GPIO pins on the PI, without soldering.
    alt text

    You need to know the pin assignments of your PIR sensor. I used:
    (4) +5V
    (6) GND (ground)
    (32) GPIO12
    i think you can also use (15) instead of my (32) then you don’t need to change the pin in the config file.
    alt text

    Hope that helps.

    A 1 Reply Last reply Feb 9, 2017, 11:43 PM Reply Quote 2
    • A Offline
      AAPS @Morningstar
      last edited by Feb 9, 2017, 11:43 PM

      @Morningstar Thanks! Where could I buy everything? Amazon?

      Y 1 Reply Last reply Feb 10, 2017, 5:05 AM Reply Quote 0
      • Y Offline
        yawns Moderator @AAPS
        last edited by Feb 10, 2017, 5:05 AM

        @AAPS
        Yes, Amazon, ebay, electronic stores in your city. And there are dozens of online shops for raspberry, arduino and all kinds of add-ons.

        1 Reply Last reply Reply Quote 0
        • A Offline
          AAPS
          last edited by Feb 10, 2017, 11:25 AM

          Is this the right cable to use? https://www.amazon.com/Icstation-Female-Jumper-Cable-Connector/dp/B01F59QFMM/ref=sr_1_2? ie=UTF8&qid=1486697807&sr=8-2&keywords=female+to+female+Rainbow+%2F+DuPont+Wire

          M 1 Reply Last reply Feb 10, 2017, 11:33 AM Reply Quote 0
          • M Offline
            Morningstar @AAPS
            last edited by Feb 10, 2017, 11:33 AM

            @AAPS
            Yes that’s the right one.

            1 Reply Last reply Reply Quote 0
            • G Offline
              Goldjunge_Chriz
              last edited by Feb 10, 2017, 2:46 PM

              Is it possible to switch the monitor on and off with the PIR? I would like to hide the sensor and turn on the monitor with a hand movement and then switch it off again with a new hand movement. The sensor should be hidden so that it registers only this hand movement and no other movements in the room. If the manual movement for switching off is once forgotten, the monitor should turn itself off after 30 minutes, for example.

              Is this possible?

              S 1 Reply Last reply Feb 10, 2017, 2:48 PM Reply Quote 0
              • S Offline
                strawberry 3.141 Project Sponsor Module Developer @Goldjunge_Chriz
                last edited by Feb 10, 2017, 2:48 PM

                @Goldjunge_Chriz you might want to use the gesture module of mochman for it

                Please create a github issue if you need help, so I can keep track

                1 Reply Last reply Reply Quote 0
                • G Offline
                  Goldjunge_Chriz
                  last edited by Feb 10, 2017, 3:40 PM

                  Does it work well? I thought that with the PIR could be easier since I do not need any special gesture, only some individual movement.

                  1 Reply Last reply Reply Quote 0
                  • I Offline
                    illskool
                    last edited by Feb 11, 2017, 2:06 AM

                    Hello,
                    1st off I’m a total noob at coding so please forgive me. I have been able to set up my mirror and get several modules up and running. However, I am having quite a bit of difficulty with the PIR-Sensor. I have it wired directly to the GPIO(pins 2, 6, 15). I installed the MMM-PIR-Sensor via paviros instruction. At first I got the white screen. Somehow that issue is gone. Now I can’t get the module to work. I know the PIR sensor is working, because I am able to run a python script to detect motion. The script just keeps in running though even when I walk away from the sensor. Maybe the sensor is faulty?

                    Any help would be greatly appreciated.

                    Thanks in advance

                    1 Reply Last reply Reply Quote 0
                    • M Offline
                      Mar @DirkS
                      last edited by Feb 16, 2017, 11:02 PM

                      @DirkS

                      Hey Dirk, i was having some issues and was using “/opt/vc/bin/tvservice -o” and “/opt/vc/bin/tvservice --preferred && sudo chvt 6 && sudo chat 2” to turn my screen on and off as that seems to be what everyone is using. This worked reliably since i started using the PIR sensor.

                      All of a sudden this started making my screen go white when it issued the monitor on command…and the screen would stay white for a few minutes and sometimes it would come back.

                      Using your “vcgencmd” commands in place of the previous in my monitor on/off scripts everything is back to working again.

                      I had a couple questions. Firstly i didnt understand what you mean by hdmi_blanking=1…what does this do/should i put this in my boot/config.txt?? And secondly what is the difference between the two ways of toggling the monitor?

                      (I did ask my question here: https://forum.magicmirror.builders/topic/1780/white-screen-after-screen-resumes-from-pir-or-sometimes-randomly-can-still-access-via-ssh-requires-restart-sometimes/4 incase but stumbled upon this after.)

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