At the Mobile Monday Amsterdam, which I co-organise, I did a short talk on how to build your own Internet of Things Thing, in a day. The technical process is explained in my blogpost from last year: called The MoMoMeter.
Since we videotape all our talks, it’s included here:

The slides:

More on the IOBridge I used can be found on their blog
Photo’s by Filip Bunkens.