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A New Chapter for MagicMirror: The Community Takes the Lead
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{HowTo} turn on/off your monitor (Time based, PIR/Button, App)

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  • K Offline
    komodoteler
    last edited by Sep 22, 2018, 8:54 AM

    @cruunnerr

    I tried your script but unfortunately it doesn’t seems to work yet. Like @blebbens , my MM is on the floor and activated a little bit too easy.

    Any other suggestion?

    Regards,

    1 Reply Last reply Reply Quote 0
    • C Offline
      cruunnerr
      last edited by cruunnerr Sep 22, 2018, 10:37 AM Sep 22, 2018, 10:35 AM

      Well, for my solution it is totally necessary to NOT use the PIR-Module. You must use just my external script solution!
      Tests i made working fine… :)

      Anyhow… You could try to use clear nail polish.

      I used it to cover certain regions and it works :)
      Just paint several layers of the polish over the area u want to cover.

      Or play with the sensitivity
      Bild Text

      1 Reply Last reply Reply Quote 0
      • K Offline
        komodoteler
        last edited by Sep 22, 2018, 10:51 AM

        @cruunnerr

        I actually use option 2.2 - external script and already set both sensitivity and time delay to minimal (all the way to left).

        would you mind to send me your pir.py?

        Regards,

        1 Reply Last reply Reply Quote 0
        • C Offline
          cruunnerr
          last edited by cruunnerr Sep 22, 2018, 11:04 AM Sep 22, 2018, 11:03 AM

          Sure, my pir.py is the same as shown on point 2.2 but with other GPIO used

          #!/usr/bin/env python
          
          import sys
          import time
          import RPi.GPIO as io
          import subprocess
          import pigpio
          
          io.setmode(io.BCM)
          SHUTOFF_DELAY = 119 # seconds
          PIR_PIN = 25       # 22 on the board
          LED_PIN = 16
          
          def main():
              io.setup(PIR_PIN, io.IN)
              io.setup(LED_PIN, io.OUT)
              turned_off = False
              last_motion_time = time.time()
          
              while True:
                  if io.input(PIR_PIN):
                      last_motion_time = time.time()
                      io.output(LED_PIN, io.LOW)
                      print ".",
                      sys.stdout.flush()
                      if turned_off:
                          turned_off = False
                          turn_on()
                  else:
                      if not turned_off and time.time() > (last_motion_time + 
                                                           SHUTOFF_DELAY):
                          turned_off = True
                          turn_off()
                      if not turned_off and time.time() > (last_motion_time + 1):
                          io.output(LED_PIN, io.HIGH)
                  time.sleep(.1)
          
          def turn_on():
                  subprocess.call("sh /home/pi/lights_on.sh", shell=True)
          
          def turn_off():
                  subprocess.call("sh /home/pi/lights_off.sh", shell=True)
          
          if __name__ == '__main__':
              try:
                  main()
              except KeyboardInterrupt:
                  io.cleanup()
          

          Because i use some LED Stripes which turn on when the pir detects movement my “monitor_on.sh” is called “lights_on.sh”

          lights_on.sh:

          vcgencmd display_power 1
          
          pigs p 17 1
          pigs p 22 1
          pigs p 24 1
          
          sleep 0.06s
          
          pigs p 17 2
          pigs p 22 2
          pigs p 24 2
          
          sleep 0.06s
          
          pigs p 17 3
          pigs p 22 3
          pigs p 24 3
          
          sleep 0.06s
          
          pigs p 17 4
          pigs p 22 4
          pigs p 24 4
          
          sleep 0.06s
          
          pigs p 17 5
          pigs p 22 5
          pigs p 24 5
          
          sleep 0.06s
          
          pigs p 17 6
          pigs p 22 6
          pigs p 24 5
          
          sleep 0.06s
          
          pigs p 17 7
          pigs p 22 7
          pigs p 24 6
          
          sleep 0.06s
          
          pigs p 17 8
          pigs p 22 8
          pigs p 24 7
          
          sleep 0.06s
          
          pigs p 17 9
          pigs p 22 9
          pigs p 24 8
          
          sleep 0.06s
          
          pigs p 17 10
          pigs p 22 10
          pigs p 24 9
          
          sleep 0.06s
          
          pigs p 17 11
          pigs p 22 11
          pigs p 24 10
          
          sleep 0.06s
          
          pigs p 17 12
          pigs p 22 12
          pigs p 24 11
          

          lights_off.sh:

          pigs p 17 12
          pigs p 22 12
          pigs p 24 11
          
          sleep 0.06s
          
          pigs p 17 11
          pigs p 22 11
          pigs p 24 10
          
          sleep 0.06s
          
          pigs p 17 10
          pigs p 22 10
          pigs p 24 9
          
          sleep 0.06s
          
          pigs p 17 9
          pigs p 22 9
          pigs p 24 8
          
          sleep 0.06s
          
          pigs p 17 8
          pigs p 22 8
          pigs p 24 7
          
          sleep 0.06s
          
          pigs p 17 7
          pigs p 22 7
          pigs p 24 6
          
          sleep 0.06s
          
          pigs p 17 6
          pigs p 22 6
          pigs p 24 5
          
          sleep 0.06s
          
          pigs p 17 5
          pigs p 22 5
          pigs p 24 5
          
          sleep 0.06s
          
          pigs p 17 4
          pigs p 22 4
          pigs p 24 4
          
          sleep 0.06s
          
          pigs p 17 4
          pigs p 22 4
          pigs p 24 4
          
          sleep 0.06s
          
          pigs p 17 3
          pigs p 22 3
          pigs p 24 3
          
          sleep 0.06s
          
          pigs p 17 2
          pigs p 22 2
          pigs p 24 2
          
          vcgencmd display_power 0
          
          sleep 0.06s
          
          pigs p 17 1
          pigs p 22 1
          pigs p 24 1
          
          sleep 0.06s
          
          pigs p 17 0
          pigs p 22 0
          pigs p 24 0
          

          But what exactly doesn’t work with my script? Maybe i can help :)

          C 1 Reply Last reply Feb 27, 2019, 4:41 PM Reply Quote 0
          • K Offline
            komodoteler
            last edited by komodoteler Sep 23, 2018, 4:49 PM Sep 23, 2018, 4:47 PM

            Thanks @cruunnerr.

            In my case, no LED involved hence should be simpler :)

            I run PIR.PY externally (via PM2) to call monitor on/off shell script and everything seems to work fine i.e.: turn screen blank and back on does work. No error reported. Its just the adding your script does not seems to make any difference, the turn on still instant.

            Here is my PIR.py file

            #!/usr/bin/env python
            
            import sys
            import time
            import RPi.GPIO as io
            import subprocess
             
            io.setmode(io.BCM)
            SHUTOFF_DELAY = 15  # seconds delay to turn off
            PIR_PIN = 17        # Pin 11 on the board
            TURNON_DELAY = 10   # seconds delay to turn on
             
            def main():
                io.setup(PIR_PIN, io.IN)
                turned_off = False
                last_motion_time = time.time()
             
                while True:
                    if io.input(PIR_PIN):
                        last_motion_time = time.time()
                        sys.stdout.flush()
                        if turned_off and time.time() > TURNON_DELAY:
                            turned_off = False
                            turn_on()
                    else:
                        if not turned_off and time.time() > (last_motion_time + SHUTOFF_DELAY):
                            turned_off = True
                            turn_off()
                    time.sleep(.1)
             
            def turn_on():
                subprocess.call("sh monitor_on.sh", shell=True)
             
            def turn_off():
                subprocess.call("sh monitor_off.sh", shell=True)
             
            if __name__ == '__main__':
                try:
                    main()
                except KeyboardInterrupt:
                    io.cleanup()
            

            Here is the monitor_off.sh

            #! /bin/bash
            export DISPLAY=:0
            xset dpms force off
            
            

            And Monitor_on.sh

            export DISPLAY=:0
            xset dpms force on
            
            1 Reply Last reply Reply Quote 0
            • C Offline
              cruunnerr
              last edited by Sep 24, 2018, 3:34 AM

              Hey mate,

              you are using this script.
              As i wrote in my post, it was just brainstorming. I never tested this script. :(

              But i can imagine that this will not work… For a Turn_on delay u probably need a loop-function.

              But when i read your posts i can’t find, that u need this :D
              So just try the script from the original 1# post :)

              1 Reply Last reply Reply Quote 0
              • B Offline
                blebbens
                last edited by Sep 29, 2018, 10:24 AM

                Hello,

                I‘m using the PIR python-script-method.
                It is working fine… but, my mirror is installed in a floor, where people are crossing the mirror several times a day without looking at it.

                It would be a helpful solution, if the script switches on the monitor if a person is standing in front of the mirror for 6 seconds.

                Is there a possibility for modifying the script ?

                1 Reply Last reply Reply Quote 0
                • C Offline
                  cruunnerr
                  last edited by Oct 3, 2018, 8:41 AM

                  This will not work with a simple motion detector. Because “standing” is not “motion”. ;)

                  Then u would need a light barrier or something like that.

                  Or u need to shake your body for 6 seconds in front of the mirror XD

                  1 Reply Last reply Reply Quote 0
                  • M Offline
                    MadScientist
                    last edited by Oct 3, 2018, 9:40 AM

                    I wouldn’t know how to program it but you could try playing around with a photo resistor like this or this. But I think that will only work if you have constant light conditions. Maybe an IR light barrier with a reflector on the other side would work better.

                    No idea if what you want is possible but that would be an awesome project.

                    1 Reply Last reply Reply Quote 0
                    • C Offline
                      cruunnerr
                      last edited by Oct 3, 2018, 7:37 PM

                      Or use an ultrasonic sensor. You could let it measure the distance and if its under a specific value for a specific time it could turn on the monitor

                      1 Reply Last reply Reply Quote 0
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