As well as smartphone cages Neewer makes a wide collection of LED (Light Emitting Diode) lights, from the super powerful (and ...

The inclusion of the white diodes gives RGBW LEDs an advantage ... Deciding between RGB and RGBW LED lights depends on your specific needs and preferences. RGB lights are ideal for situations ...

The demonstration of green semiconductor laser diodes with lifetimes of many ... High-brightness RGB LEDs have also led to large-area full-colour displays that have revolutionized the advertising ...

Or you can go back to basics and build this reflective RGB sensor from an LED and a photocell. The principle behind [TechMartian]’s approach is simplicity itself: shine different colored lights ...