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Joe Grand writes "Len and Mererdith headed up "Team Osogato" at DEFCON 15 to win the Badge Hacking Contest. Here's the description: The winning contest entry from Team Osogato (Len Sassaman, Meredith Patterson, Dustin Cooper, Martin Murray, Tongen, and Maxinux) was the only one that combined hardware and firmware modifications. The team hacked the badge into a line-level meter for under $10 in additional components that used the LED matrix to display the peak levels of an audio signal fed into one channel of the A/D. The two capacitive sensors are used to adjust the levels of the input signal and three shades of “greyscale” are used to create a fading effect on the display. For the icing on the cake, the team worked with The Brothers Grimm to create arap song based on Joe Grand’s Ode to the DEFCON Badge poem that appeared in the DEFCON program. A video of them submitting/explaining the project is here (I have the original/higher resolution if you need it): http://www.youtube.com/watch?v=GniWtk2MER8 And, the rap song they created (which is still the ring tone on my phone) is here: http://grandideastudio.com/wp-content/uploads/dc15_bdg_song.mp3/