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 ...

You might have heard of LCD TVs and monitors, you might know what LEDs are, but how they relate to new TVs isn’t especially clear. Alongside their best OLED TVs, Samsung, LG, Sony, TCL, Hisense, and ...

All so-called LED TVs are really just LCD TVs that use LEDs for their backlight. This backlight creates the light that allows the LCD to create an image. However, there are multiple ways these LED ...

Over the last several years, small color LCD displays have been integrated into an ever-broadening range of products. Color displays, once considered a luxury in cell phones, are now a standard ...