T he Lume Cube RGB Tube Light Mini is a 1-ft-long LED tube light that will appeal to photographers and videographers looking ...

There's a grid of tiny LEDs behind the pixels, and these generate the light that ... much energy. In RGB backlit TVs, the LEDs behind the pixels aren't just blue. Each one has red, green and ...

If you know the red, green, and blue components of the light that correspond to maximum reflectance, then you know the color of the object. Their sensor uses a four-lead RGB LED, but we suppose a ...

Rather than replace the analog gauges entirely, rings of RGB LEDs of the same diameter ... the whole gauge can light up bright red to indicate a critical situation such as low oil pressure.