Second place winner
11 of 13 from Photos: Defcon badge inspires hacks
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The second place winner of the Defcon badge-hacking contest went to a group that created a "Sound-Fearing Blimp." They wrote custom software for the badges and hung three of them to the bottom of a toy blimp. Each badge measured the sound level coming from its microphone and set the speed of its individual drive motor accordingly, steering the blimp away from areas with greater noise levels. The badges were connected together to communicate between themselves.
August 5, 2009 4:00 AM PDT
Photo by: Joe Grand
