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    PIR sensor problem

    Scheduled Pinned Locked Moved Unsolved Troubleshooting
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    • S Offline
      sultan.y
      last edited by

      I am trying to add a PIR sensor to the MM

      i have wired it to a raspberry pi but having a problem executing the funciton control the lcd

      getting an error, an idea

      sudo chmod u+s /opt/vc/bin/tvservice && sudo chmod u+s /bin/chvt
      chmod: cannot access ‘/opt/vc/bin/tvservice’: No such file or directory

      S 1 Reply Last reply Reply Quote 0
      • S Offline
        sdetweil @sultan.y
        last edited by

        @sultan-y in raspios latest , bullseye, that function, tvservice, is no longer provided.,

        Sam

        How to add modules

        learning how to use browser developers window for css changes

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        • S Offline
          sultan.y
          last edited by

          is there a workaround?

          S G 2 Replies Last reply Reply Quote 0
          • S Offline
            sdetweil @sultan.y
            last edited by

            @sultan-y there are other approaches to turn off monitor

            some of the newer pie modules support multiple ways

            Sam

            How to add modules

            learning how to use browser developers window for css changes

            bugsounetB 1 Reply Last reply Reply Quote 1
            • bugsounetB Offline
              bugsounet Banned @sdetweil
              last edited by sdetweil

              @sdetweil said in PIR sensor problem:

              some of the newer pir modules support multiple ways

              I love this style ;)

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              • G Offline
                gandalf20000 @sultan.y
                last edited by

                @sultan-y
                To get the PIR sensor working with MM on the currently latest Raspberry PI OS Bullseye you can use /usr/bin/vcgencmd display_power 0/1 instead of using the tvservice command (I run it in a script started by crontab at reboot).

                I also

                • added /usr/bin/xrandr -display :0.0 --auto before the vcgencmd command
                • added user Pi to the gpio group: sudo usermod -a -G gpio pi, and I
                • added XAUTHORITY=/home/pi/.Xauthority here: sudo vi /etc/environment

                My mirror uses a DVI to HMI output, but using xrandr and XAUTHORITY as above solved the issues I had.

                Btw, I use

                /usr/bin/chvt 6
                /usr/bin/chvt 7
                

                after the /usr/bin/vcgencmd display_power 1 command, but that was used prior to using Bullseye as well.

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