[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 ...

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 ...

Broadly speaking, LED LCDs are better than regular LCDs, but most LCD TVs are now actually LED TVs. Within the "LED TV" category, there's almost infinite variation in price and performance. Check out ...

OLED TVs are available in sizes from 48 to 97 inches but LCD TVs come in smaller and even larger sizes than that -- with many more choices in between -- so LCD wins. At the high end of the size scale, ...