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

{HowTo} turn on/off your monitor (Time based, PIR/Button, App)

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  • M Offline
    Magno99900
    last edited by Jul 17, 2018, 12:48 AM

    Hey, so I’ve been trying to get this working over the past few days using method 2.2 (pir script) I’ve verified that monitor_on/off.sh works as they should as does pir.py when run from terminal. The problem seems to be that I’m unable to get the script to auto start on boot. Any suggestions would be greatly appreciated.

    K 1 Reply Last reply Jul 17, 2018, 3:17 AM Reply Quote 0
    • K Offline
      komodoteler @Magno99900
      last edited by Jul 17, 2018, 3:17 AM

      @magno99900

      Make sure you run chmod - chmod +x pir.py

      Then add it to startup:

      1. run - sudo nano /etc/rc.local
      2. Add this (above the “exit 0”): python /home/pi/pir.py &
      3. Save

      Reboot to test

      M 1 Reply Last reply Jul 17, 2018, 4:20 AM Reply Quote 0
      • M Offline
        Magno99900 @komodoteler
        last edited by Magno99900 Jul 17, 2018, 9:40 AM Jul 17, 2018, 4:20 AM

        @komodoteler I’ll try again once I get off work, but i know I did chmod on pir.py and I currently have it in rc.local but I don’t currently have the “&” after it’s entry. When I looked at the first post it says to put it there but doesn’t display it in the code section.

        Updated: Added the “&” still didn’t work, so I replaced the pir.py script that I was previously using and all seems to be great now. thanks again for the help.

        1 Reply Last reply Reply Quote 0
        • K Offline
          Kecko
          last edited by Kecko Jul 20, 2018, 11:05 AM Jul 20, 2018, 11:00 AM

          hey guys,

          i got another problem.
          the script is working well but the python won’t start with booting my PI.

          i don’t know how often i repeated all the steps. I am using the method 2.2 Using PIR-Script.

          i also put this line in my rc.local:

          • python /home/pi/pir.py &

          anyone got an idea what i’m doing wrong?

          EDIT:

          Sorry I have just read the post of @Magno99900. So you just created a complete new .py script? i will try this later! Thanks so far :grinning_face_with_smiling_eyes:
          1 Reply Last reply Reply Quote 0
          • M Offline
            Maros
            last edited by Maros Aug 23, 2018, 4:52 PM Aug 23, 2018, 4:51 PM

            I’ve just connected PIR sensor to my MM as written in step 2.1 Using PIR-Module

            everything is connected MM is started but the screen is not turning off.

            Can someone help me how can i check if PIR sensor is working and if it’s why the screen is still on ?

            i’ve changed settings to

            {
            module: ‘MMM-PIR-Sensor’,
            config: {
            powerSavingDelay: 60 // (seconds) how long the monitor will be turned on
            }
            },

            1 Reply Last reply Reply Quote 0
            • M Offline
              Maros
              last edited by Aug 23, 2018, 7:18 PM

              I found out that PIR sensor is ok.

              i’ve created python script from this page ( https://tutorials-raspberrypi.com/connect-and-control-raspberry-pi-motion-detector-pir/ )and found out that i’ve switched Ground and 5V. I’ve corrected them and now when i execute : sudo python pir.py i get
              There was a movement!

              before there was nothing, so i guess PIR sensor is OK

              but it’s still not working to turn off the screen.

              1 Reply Last reply Reply Quote 0
              • M Offline
                Maros
                last edited by Aug 23, 2018, 8:10 PM

                OK everything is working after creating scripts from step 2.2 :)

                1 Reply Last reply Reply Quote 1
                • M Offline
                  Maros
                  last edited by Aug 24, 2018, 8:46 AM

                  is there possibility to turn off PIR at specified time ? f.e. from 9pm untill 7am it will be off so if there will be movement display will not turn on.

                  1 Reply Last reply Reply Quote 0
                  • C Offline
                    cruunnerr
                    last edited by cruunnerr Aug 24, 2018, 9:12 AM Aug 24, 2018, 9:08 AM

                    @Maros

                    Glad u got it working. :)

                    So u use the script from point 2.2 ?

                    Then u could kill the pir.py at 9pm and start at 7am via cronjob. With that u were able to define each day for itself :)

                    The command to kill the pir.py script is

                    sudo pkill $(ps aux | grep python pir.py | awk '{ print $2 }')
                    

                    So the easiest way is to just edit your crontab. Try it like this:

                    1. nano killpir.sh

                    2. Write this into file and save with CTRL+X and Yes

                    sudo pkill $(ps aux | grep python pir.py | awk '{ print $2 }')
                    
                    1. chmod +x killpir.sh

                    2. sudo nano /etc/crontab

                    3. Write this into file and save with CTRL+X and Yes:

                    0 21 * * * /usr/bin/sh /home/pi/killpir.sh
                    0 7 * * * /usr/bin/python /home/pi/pir.py
                    

                    So for example your crontab looks 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 21    * * *   root    /usr/bin/sh /home/pi/killpir.sh
                    0 7     * * *   root    /usr/bin/python /home/pi/pir.py
                    #
                    

                    Didn’t try this solution at all, but hope/think this works :)

                    I would be glad about a feedback ;)

                    1 Reply Last reply Reply Quote 0
                    • M Offline
                      Maros
                      last edited by Aug 24, 2018, 10:19 AM

                      @cruunnerr ok thank you i’ll try it and let you know if it work.

                      just one question is it not needed to start pir.py in background ?

                      /usr/bin/python /home/pi/pir.py &

                      1 Reply Last reply Reply Quote 0
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