Defconbots autonomous sentry gun
Kevin Hjelden and his friend Joe built this autonomous shooter for this year’s Defconbots competition. They described the build before they started: The electronics for this project are going to be relatively simple as well. To control the three servos (pan + tilt + firing), we are going to use the Pololu 8-channel servo controller. […]
Everyone at DEFCON went out of their way to get/learn/explore the Cisco flaw because of the way it was (poorly) handled…Angered and inspired by Cisco’s attempts to suppress news of the flaw earlier in the week, several computer security experts at the Defcon computer-security conference worked past midnight Saturday to discover and map out the vulnerability. I saw the PDF(s) actually being handed out to random people all over Vegas too.


…the world record holders for the longest distance for an unamplified Wi-Fi link (55.1 miles at 30mw) blasted through their own year old record today at the Defcon Wi-Fi Shootout. Team PAD shot their signal a distance of 125 miles from outside Las Vegas, Nevada to a location near St. George, Utah, winning them a new record in the “unamplified” category at the shootout.
