While they do have a higher upfront cost, led lights are more efficient and last far longer than incandescent, fluorescent, ...

Meters that indicate analog levels via a moving-pointer meter, a numeric display, or a column of LEDs typically occupy considerable panel area and require more than a casual glance to read. An ...

Home Depot has at times sold a neat spiral lamp that relies on LEDs to supply its soothing white glow. When [Craig Lindley] saw some modified versions on YouTube he decided he had to build one himself ...

Right, let's get straight to the point. This is a little eye-candy circuit which continuously cycles an RGB LED through the colours of the rainbow. The speed at which the colours change is adjustable.

China’s Binhe Yellow River Bridge just fired up a stunning new lighting system that bathes the structure and the river below in a prismatic array of colors. Designed by Philips, the array creates the ...