breathing device

Constructing the RBBB Arduino isn’t as easy as suggested. The manual says 30 minutes. If I don’t make any mistakes (to which I’m prone) I might be able to do it in an hour but no less. After I didn’t manage to get the first one to work I started out with a fresh one (I’ve got to build five.) I only made one mistake and when I plugged in the USB cable (be sure to chose Uno from the board list) and uploaded the blink sketch it worked!

I want to give the users of the device some direct feedback about their own breathing pattern. So I’m thinking about an LED that dims when you exhale and brightens when you inhale. I tried just putting an LED in the tube and the result was really nice:

Apart from the light I want to make the users more aware of their breathing getting input straight from their body. Tying the micro-controller to the chest (inside some kind of tubing) with an elastic band you become more aware of your breath in a subtle way:

And I did some research on flexible tubing. It looks nice and it is functional so I’ll probably go for this solution:

So things are shaping up. I’m eagerly awaiting the wind sensors from the states…

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