DEF CON The electronic badges at DEF CON have long been a hot ... and so had the egg included to display Entropic's logo and ask for Bitcoin donations. The event organizers were not happy that ...

It drives a backlit display with a rotary encoder on the front and a few capacitive touch sensors. The package included earbuds; the badge has a headphone jack and was set up to stream DEF CON rad ...

Brand new to DEF CON 26 is the Badge Life Contest to ... For the contest, all badges will be on display in the Hardware Hacking Village during the weekend to provide a close look for everyone.