DC16 Badge Hack: Camera shock and flash circuit addition
From the DEFCON 16
DC16 Badge Hack: POV displaying "DC16 HACKER"
From the DEFCON 16
DC16 Badge Hack: Optical trojan/covert channel via LED
From the DEFCON 16
DC16 Badge Hack: LED animations & high-level scripting
From the DEFCON 16
DC16 Badge Hack: Fiber optics + POV displaying "DEFCON"
From the DEFCON 16
DC16 Badge Hack: TV-B-A.D.D.
From the DEFCON 16
DC16 Badge Hack: Human Password Generator
From the DEFCON 16
DC16 Badge Hack: PRNG w/ PWM dimming
From the DEFCON 16
DC16 Badge Hack: LED animations & music generator
From the DEFCON 16
DC16 Badge Hack: IR distance increase & audio generation
From the DEFCON 16
DC16 Badge Hack: Motion-generated/context-sensitive music
From the DEFCON 16
DC18 Badge Hack: Web-of-Trust
From the DEFCON 18
DC16 Badge Hack: Real-time binary clock with IR time sync
From the DEFCON 16