This is r0ket science!
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Latest commit 767d5b7 Dec 27, 2014 @Sec42 Sec42 get rf working again

README

r0ket

The r0ket is the badge for the Chaos Communication Camp 2011 and
the 28th Chaos Communication Congres.

Besides being a shiny electronic name tag, the r0ket is an easy
to use full featured microcontroller development board.

see http://r0ket.badge.events.ccc.de