There's an iPhone inside this puppet's mouth. The phone's accelerometer is mapped to a musical scale. Simply close his mouth by touching the screen to shut him up.
More at singingsockpuppets.net
Props to hexler.net for their brilliant TouchOSC app and PureData patches I adapted for this proto.
Lots more to do: create a knitting pattern; get an app running standalone on the iPhone; subtler mouth detailing (animated tonsils ftw); some experiments with conductive fabric; include subtler expression effects like vibrato; look at other phones with resistive screens, etc etc. iPhone 4 gyro version too.
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