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

DHT22 Sensor

Scheduled Pinned Locked Moved Unsolved Requests
16 Posts 3 Posters 11.0k Views 6 Watching
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  • W Offline
    Wilco89
    last edited by Jul 5, 2016, 1:44 AM

    https://github.com/momenso/node-dht-sensor?files=1

    Think it might be possible. Think it can Be useable.

    First hit in Google btw.

    Spit through code And learn? Or wait utill someone will have some sparetime.

    S 1 Reply Last reply Jul 9, 2016, 8:37 AM Reply Quote 0
    • S Offline
      stefanh @Wilco89
      last edited by Jul 9, 2016, 8:37 AM

      @Wilco89

      Thank your for great googeling :-)
      I will try to integrate it myself.

      1 Reply Last reply Reply Quote 0
      • B Offline
        Bangee Module Developer
        last edited by Aug 5, 2016, 7:44 AM

        Where will I need to install node-dht-sensor using it with MagicMirror?

        a: ~/MagicMirror/ folder
        b: ~/MagicMirror/modules/ folder
        c: ~/MagicMirror/modules/MMM-Temperature/ folder

        using this command: npm install node-dht-sensor

        I would like to use it in node_helper.js inside a new module.

        Thanks!

        S 1 Reply Last reply Aug 5, 2016, 8:50 AM Reply Quote 0
        • S Offline
          strawberry 3.141 Project Sponsor Module Developer @Bangee
          last edited by Aug 5, 2016, 8:50 AM

          @Bangee go into the directory of your new module e.g. ~/MagicMirror/modules/MMM-Temperature/ and type npm init and follow the instructions, after that type npm install --save node-dht-sensor

          Please create a github issue if you need help, so I can keep track

          1 Reply Last reply Reply Quote 1
          • B Offline
            Bangee Module Developer
            last edited by Aug 5, 2016, 11:29 AM

            @strawberry-3-141 thank you! that worked for me.
            But now i’ve got this error:

            mm-0 App threw an error during load
            mm-0 Error: Module version mismatch. Expected 49, got 48.
            mm-0     at Error (native)
            mm-0     at process.module.(anonymous function) [as dlopen] (ELECTRON_ASAR.js:167:20)
            mm-0     at Object.Module._extensions..node (module.js:568:18)
            mm-0     at Object.module.(anonymous function) [as .node] (ELECTRON_ASAR.js:167:20)
            mm-0     at Module.load (module.js:458:32)
            mm-0     at tryModuleLoad (module.js:417:12)
            mm-0     at Function.Module._load (module.js:409:3)
            mm-0     at Module.require (module.js:468:17)
            mm-0     at require (internal/module.js:20:19)
            mm-0     at Object.<anonymous> (/home/pi/MagicMirror/modules/temperature/node_helper.js:2:17)
            mm-0 Whoops! There was an uncaught exception...
            mm-0 Error: Module version mismatch. Expected 49, got 48.
            mm-0     at Error (native)
            mm-0     at process.module.(anonymous function) [as dlopen] (ELECTRON_ASAR.js:167:20)
            mm-0     at Object.Module._extensions..node (module.js:568:18)
            mm-0     at Object.module.(anonymous function) [as .node] (ELECTRON_ASAR.js:167:20)
            mm-0     at Module.load (module.js:458:32)
            mm-0     at tryModuleLoad (module.js:417:12)
            mm-0     at Function.Module._load (module.js:409:3)
            mm-0     at Module.require (module.js:468:17)
            mm-0     at require (internal/module.js:20:19)
            mm-0     at Object.<anonymous> (/home/pi/MagicMirror/modules/temperature/node_helper.js:2:17)
            mm-0 MagicMirror will not quit, but it might be a good idea to check why this happened. Maybe no internet connection?
            mm-0 If you think this really is an issue, please open an issue on GitHub: https://github.com/MichMich/MagicMirror/issues
            mm-0 Launching application.
            

            On line 2:

            var sensorLib = require("node-dht-sensor");
            

            Node Version

            pi@raspberrypi:~/MagicMirror/modules $ node -v
            v6.3.1
            
            S 1 Reply Last reply Aug 5, 2016, 11:54 AM Reply Quote 0
            • S Offline
              strawberry 3.141 Project Sponsor Module Developer @Bangee
              last edited by Aug 5, 2016, 11:54 AM

              @Bangee depending on your other post about this problem in a different thread I assume you have a newer node version installed as you had on your old sd card, so maybe this will help you https://docs.npmjs.com/cli/rebuild

              Please create a github issue if you need help, so I can keep track

              1 Reply Last reply Reply Quote 0
              • B Offline
                Bangee Module Developer
                last edited by Aug 5, 2016, 12:05 PM

                @strawberry-3-141 I’ve tried this before, but did not work for me. I’ve also made a reboot.

                Will i need to have a downgrade?

                S 1 Reply Last reply Aug 5, 2016, 12:07 PM Reply Quote 0
                • S Offline
                  strawberry 3.141 Project Sponsor Module Developer @Bangee
                  last edited by Aug 5, 2016, 12:07 PM

                  @Bangee never had such an issue before, did a clean install instead of copying images on sdcard, is there a reason why you copied an old image?

                  Please create a github issue if you need help, so I can keep track

                  1 Reply Last reply Reply Quote 0
                  • B Offline
                    Bangee Module Developer
                    last edited by Aug 5, 2016, 12:30 PM

                    ah no, I’ve made a new installation on a brand new sd card.
                    I moved my own moduls. the temperature module is a new one.

                    But I’ve got the same with @paviro PIR moudle… :-(

                    1 Reply Last reply Reply Quote 0
                    • S Offline
                      strawberry 3.141 Project Sponsor Module Developer
                      last edited by Aug 5, 2016, 12:44 PM

                      did you copy all the node_modules directories? if so this is propably the issue go to the module remove the directories and run npm install

                      Please create a github issue if you need help, so I can keep track

                      1 Reply Last reply Reply Quote 0
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