Earlier, and perhaps more basic, LED masks usually provide just one primary colour treatment mode, such as red or blue, ...

Sometimes, you might see a green ring of light on your Amazon Echo. It doesn't mean anything's wrong—but if you don't like the light, there's an easy way to turn it off.

Due to space limitations, I set up one of my softbox lights to the left of my desk, and used an LED desk lamp on the other side, which emanates a similarly bright white light to the softbox.

In recent years, LED screens – flat-panel displays that use light-emitting diodes as pixels – have taken the place of green screens for location filming on major productions, like The ...

A wraparound LED screen is used to generate the green backdrop behind the talent, and the red and blue foreground lighting. Image: Netflix. A bright green backdrop is still employed, but the ...

If you own a Raspberry Pi 2 or later, there are only two LED lights to be concerned of, one green and one red. The position ...