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

MMM-Swipe - Hand gestures

Scheduled Pinned Locked Moved Troubleshooting
45 Posts 17 Posters 42.2k Views 16 Watching
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  • M Offline
    Mitchfarino Module Developer @mochman
    last edited by Sep 2, 2016, 9:43 PM

    @mochman I’m only just back looking at this

    Any tutorial I find online says I need a breadboard too - is that correct?

    What pins should put these in? Or where can I find resource on how to do it?0_1472852546333_IMG_20160902_223136.jpg

    1 Reply Last reply Reply Quote 0
    • M Offline
      mochman Module Developer @BeLuGe
      last edited by Sep 2, 2016, 11:06 PM

      @BeLuGe So I just tried this myself. When I created the module, I was connected to the pi to test. I just tried using SSH to start the program and got the same error you’re getting. Looks like it’s a issue with running a sudo command over SSH, the workaround I found was to run sudo cp ~/.Xauthority /root/ then run DISPLAY=:0 sudo npm start. The problem with this is that everytime you restart your mirror you will need to run the copy command again.

      @Mitchfarino You don’t need a breadboard. I just used one to test out my configuration. You can hook it up directly to the pi using those wires you have already connected. When I tested out my setup, I used these pins.

      echoLeftPin: 24,       
      triggerLeftPin: 23,     
      echoRightPin: 26,      
      triggerRightPin: 25,   
      

      Remember that those are the GPIO #'s and not the physical pin #.

      M 1 Reply Last reply Sep 2, 2016, 11:46 PM Reply Quote 0
      • M Offline
        Mitchfarino Module Developer @mochman
        last edited by Sep 2, 2016, 11:46 PM

        @mochman I have vcc, trig, echo and gnd on my sensor - how do they map to the config you have posted?

        M 1 Reply Last reply Sep 3, 2016, 11:21 AM Reply Quote 0
        • M Offline
          mochman Module Developer @Mitchfarino
          last edited by Sep 3, 2016, 11:21 AM

          @Mitchfarino

          Your left sensor

          Vcc goes to pin #2
          Gnd goes to pin #6
          Trig goes to physical pin #26 (Which is labeled GPIO 23)
          Echo goes to physical pin #18 (Which is labeled GPIO 24)

          Your right sensor

          Vcc goes to pin #4
          Gnd goes to pin #9
          Trig goes to physical pin #22 (Which is labeled GPIO 25)
          Echo goes to physical pin #37 (Which is labeled GPIO 26)

          You need both sensors if you want to detect movement.

          M 1 Reply Last reply Sep 3, 2016, 11:22 AM Reply Quote 1
          • M Offline
            Mitchfarino Module Developer @mochman
            last edited by Sep 3, 2016, 11:22 AM

            @mochman OK, I’m an idiot!

            I only have one sensor! Ha

            Thanks very much for your help, I’m gonna get one ordered then get back on it.

            Sorry for the daft questions

            1 Reply Last reply Reply Quote 0
            • M Offline
              mochman Module Developer
              last edited by Sep 3, 2016, 11:25 AM

              No worries. Yeah the sensor looks like it has 2 detectors on it. I’m pretty sure one is the speaker and the other is the microphone detector.

              1 Reply Last reply Reply Quote 1
              • B Offline
                BeLuGe
                last edited by Sep 3, 2016, 12:27 PM

                @mochman when I use your workaround i get the following errormessage and a whitescreen:

                Loading config ...
                Loading module helpers ...
                No helper found for module: alert.
                Initializing new module helper ...
                WARNING! Could not load config file. Starting with default configuration. Error found: Error: Module version mismatch. Expected 49, got 48.
                Loading module helpers ...
                No helper found for module: alert.
                Initializing new module helper ...
                App threw an error during load
                Error: Module version mismatch. Expected 49, got 48.
                    at Error (native)
                    at process.module.(anonymous function) [as dlopen] (ELECTRON_ASAR.js:167:20)
                    at Object.Module._extensions..node (module.js:568:18)
                    at Object.module.(anonymous function) [as .node] (ELECTRON_ASAR.js:167:20)
                    at Module.load (module.js:458:32)
                    at tryModuleLoad (module.js:417:12)
                    at Function.Module._load (module.js:409:3)
                    at Module.require (module.js:468:17)
                    at require (internal/module.js:20:19)
                    at Object.<anonymous> (/home/pi/MagicMirror/modules/MMM-Swipe/node_modules/mmm-usonic/lib/usonic.js:5:14)
                Whoops! There was an uncaught exception...
                Error: Module version mismatch. Expected 49, got 48.
                    at Error (native)
                    at process.module.(anonymous function) [as dlopen] (ELECTRON_ASAR.js:167:20)
                    at Object.Module._extensions..node (module.js:568:18)
                    at Object.module.(anonymous function) [as .node] (ELECTRON_ASAR.js:167:20)
                    at Module.load (module.js:458:32)
                    at tryModuleLoad (module.js:417:12)
                    at Function.Module._load (module.js:409:3)
                    at Module.require (module.js:468:17)
                    at require (internal/module.js:20:19)
                    at Object.<anonymous> (/home/pi/MagicMirror/modules/MMM-Swipe/node_modules/mmm-usonic/lib/usonic.js:5:14)
                MagicMirror will not quit, but it might be a good idea to check why this happened. Maybe no internet connection?
                If you think this really is an issue, please open an issue on GitHub: 
                https://github.com/MichMich/MagicMirror/issues
                Launching application.
                
                
                1 Reply Last reply Reply Quote 0
                • M Offline
                  mochman Module Developer
                  last edited by Sep 3, 2016, 1:06 PM

                  Can you make another config.js file with just the MMM-Swipe module in there? I don’t know what the:
                  WARNING! Could not load config file. Starting with default configuration. Error found: Error: Module version mismatch. Expected 49, got 48. means.

                  1 Reply Last reply Reply Quote 0
                  • B Offline
                    BeLuGe
                    last edited by Sep 3, 2016, 2:22 PM

                    @mochman I change the config file to default and add your Module. The same errormessage.

                    1 Reply Last reply Reply Quote 0
                    • M Offline
                      mochman Module Developer
                      last edited by Sep 3, 2016, 5:50 PM

                      @BeLuGe Try running rm -rf node_modules/ inside the MMM-Swipe folder then running npm install again.

                      1 Reply Last reply Reply Quote 0
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