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

[MMM-Buttons] Connect multiple buttons to send configurable notifications

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40 Posts 15 Posters 31.3k Views 14 Watching
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  • T Offline
    tosti007 Module Developer
    last edited by Jan 30, 2017, 11:08 AM

    Nice! I think many people will be able to use this for their mirror

    If there is anything don't hesitate to contact me!
    ProfileSwitcher, TouchNotifications

    1 Reply Last reply Reply Quote 0
    • I Offline
      istepgueu
      last edited by istepgueu Feb 3, 2017, 10:20 AM Feb 3, 2017, 9:41 AM

      Hi @Jopyth !

      Thanks for your module.

      I would like to use an on / off button instead of a push button
      for my garage door project (https://forum.magicmirror.builders/topic/1620/garage-door-detectors)

      Is there a way to send a notification on “button_up” and an other notification on “Button_down” ?

      Thank you very much ;-)

      1 Reply Last reply Reply Quote 0
      • I Offline
        istepgueu
        last edited by Feb 3, 2017, 5:39 PM

        Does anyone know how to read the initial value of a button (GPIO) before it is run ?

        Thanks.

        1 Reply Last reply Reply Quote 0
        • M Offline
          Mar
          last edited by Feb 6, 2017, 10:52 PM

          @Jopyth Moved my post here out from another thread.

          I am having one more issue though. Using a python test program i can see every single instance of my button press is registered instantly. But in the mirror it seems MMM-Buttons doesnt register pushes unless sometimes I double or triple click…then sometimes the button registers 5-6 times. I’m not really sure how to debug this sort of thing.

          Also would it be right to assume the pull up/down resistors were not enabled with MMM-Buttons?

          I 2 Replies Last reply Feb 6, 2017, 10:56 PM Reply Quote 0
          • I Offline
            istepgueu @Mar
            last edited by Feb 6, 2017, 10:56 PM

            @Mar all is here https://forum.magicmirror.builders/topic/211/button

            ;-)

            M 1 Reply Last reply Feb 6, 2017, 11:21 PM Reply Quote 0
            • I Offline
              istepgueu @Mar
              last edited by Feb 6, 2017, 10:58 PM

              @Mar i have same problem. I run my little script button.py before start MM and its solve the problem

              M 1 Reply Last reply Feb 6, 2017, 11:20 PM Reply Quote 0
              • M Offline
                Mar @istepgueu
                last edited by Mar Feb 6, 2017, 11:35 PM Feb 6, 2017, 11:20 PM

                @istepgueu Ive taken your button.py program and modified it for me two buttons 5/6. And while the program reads my button presses perfectly, MM-Buttons doesnt at all. I pretty much have to double click each time to make a button register. It switches my profiles just fine … but just takes lots of clicks to register.

                import RPi.GPIO as GPIO
                import time
                
                GPIO.setmode(GPIO.BCM)
                GPIO.setup(5, GPIO.IN, pull_up_down=GPIO.PUD_UP)
                GPIO.setup(6, GPIO.IN, pull_up_down=GPIO.PUD_UP)
                
                tries = 0
                
                while (tries < 200000):
                    if GPIO.input(6):
                        print("Open 6")
                    else:
                        print("Close 6")
                    if GPIO.input(5):
                        print("Open 5")
                    else:
                        print ("Close 5")
                    time.sleep(0.5)
                    tries = tries + 1
                
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                • M Offline
                  Mar @istepgueu
                  last edited by Mar Feb 7, 2017, 12:08 AM Feb 6, 2017, 11:21 PM

                  @istepgueu Will take a look through this now, but i already have a 1k resistor between pins 5/6 and the respective button. Hopefully something else comes up here.

                  Yes my problem seems a bit opposite of what was posted in your link. I dont have any erroneous button presses, it just takes a few clicks until MMM-Buttons registers the click. You button.py registers every click instantly. So must be something in the buttons code?

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                  • J Offline
                    Jopyth Moderator
                    last edited by Jopyth Feb 7, 2017, 12:58 PM Feb 7, 2017, 12:58 PM

                    @Mar @istepgueu The library (onoff) I am currently using does not directly allow configuring pull up and pull down resistors, and I was not able to make it consistently work (see Readme).

                    Therefore I myself made use of the “right” pins for my setup, as the readme says:

                    The defaults can be seen in Table 6-31 on pages 102 and 103 of the BCM2835 ARM Peripherals documentation.

                    There I simply used buttons with the correct default pull-up/pull-down resistor configuration (second column of that table), and I wanted a few pins close together on the board, so I chose GPIO 22,23,24 and 25 (connected 4 buttons), since they all have the default of a low input.

                    Helpful sticky: How to troubleshoot

                    M 1 Reply Last reply Feb 7, 2017, 3:08 PM Reply Quote 0
                    • M Offline
                      Mar @Jopyth
                      last edited by Feb 7, 2017, 3:08 PM

                      @Jopyth Thanks for the response, and that seems to make complete sense. I missed that part in the documentation.

                      Though upon trying PINS 22/23 i am still getting the same result. The button.py program detects each individual click properly, but in the MM I have to double (sometimes triple) click the button so that it registers. I can see it registers as it shows up in the pm2 logs and my profile changes.

                      Im not sure if its an issue with the buttons as they are a standard 4 pin button and the test script works fine with them?

                      J 1 Reply Last reply Feb 7, 2017, 4:15 PM Reply Quote 1
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