Over the last year, the production of homebrew electronic badges for conferences has exploded. This is badgelife — the creation of custom hardware, a trial by fire of manufacturing, and a mountain of ...

White LEDs used in backlighting provide illumination for the pixels in liquid crystal displays. The LEDs are typically routed on one or two sides of the displays light diffuser, and biased with 20 mA ...

Well, I must admit to being flabbergasted. I think I can say without fear of contradiction that my “flabber” has rarely been so “gasted.” The cause of my current state-of-gast was the rapturously ...