Here’s an external display meant to help you keep track of your computer’s status. It connects via USB and is driven by a PIC microcontroller. It listens for a small set of commands, us… ...

Almost all the 4K TVs released by LG, Panasonic, Samsung and Sony are classified as LCD or LED. But what are they, and which should you buy?

LCD and LED are the most popular 4K TVs on the market. Most of the TVs made by LG, Panasonic, Samsung and Sony use these types of display, but what are they, and how they differ from each other?