What do you get for the geek who has everything and likes LEDs? A tricked-out LED tester, naturally. [Dave Cook]’s deluxe model sports an LCD screen and two adjustable values: desired current and ...

[mircemk] built a slick-looking LED tester with a couple handy functions built in. Not only can one select a target current to put through an LED, but by providing a target voltage, the system will ...

The application of LEDs to the backlighting of large LCD panels poses unique power management considerations. The inherent configuration of the LEDs behind the panel, known as direct, or around the ...