Step by step manual for getting started with Shiftr.io (Software), Shiftr.io Pocket and Processing
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Also you need to make sure that you're running the latest version of Processing. If you have an old version or haven’t Processing installed at all, get it from their website.
Afterwards, download the processing-mqtt library from the GitHub repository. When the download has finished, move the library to your sketch folders libraries directory. More information about installing a library can be found here.
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The Host field needs your IP-adress. Check with «alt» + click on the wifi icon in your Menu Bar. You need to have a router although it has no internet connection.
Device:
Make sure you've got the right Device Name and Base Topic. Usually it's the same as your Client ID.
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