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WindPi
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First shot at using a Raspberry Pi to produce sound synthesis controlled by an ultrasonic sensor.
It could be thought as a theremin producing some sort of wind sound.

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The ultrasonic sensor is a MaxBotix MB1000 which analog signal goes through a MCP3008 and then straight to the Raspberry.
Here's a tutorial from adafruit explaining the how to do it : learn.adafruit.com/reading-a-analog-in-and-controlling-audio-volume-with-the-raspberry-pi/
A python script then processes the data and sends it to a Pure Data Patch via OSC.
The sound synthesis is more than basic but the sensor's datas do arrive to Pd without any trouble.

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14-12-2012 - The python script should be modified. No need for the whole avgrange thing (which was useful when using a potentiometer) since the sensor sends a new data once every 50ms.

21-12-2012 - Nothing new on the avgrange part. On the other hand I tried speech synthesis using google translate (in french. The thing works fine when on its own but problems arise 
when google translate and Pd run at the same time.