You can fade out and fade in the light of an LED automatically by using Arduino and a simple code that is described below. Even though the Arduino board cannot output variable voltage on its digital ...

This USB LED vase is a simple yet elegant device that fuses art with electronics to create a decorative lighting display. Powered directly from a standard USB port, it uses readily available ...

Controlling LEDs is really quite simple. As you know, they need to be current limited which is as easy as applying Ohm’s law to your given set of values. To make things even more even there’s a slew ...

This tutorial discusses the expanding role that light-emitting diodes (LEDs) are playing in general lighting applications. It compares LED performance versus other lighting technologies. It also ...

A big part of my extreme home office makeover was setting up ambient lighting around my desk and keyboard using inexpensive LED rope lights. Many of you were interested in more details, so let's take ...

The PowerUP Expo is welcoming potential presenters to submit papers for their three-day virtual conference and exhibition, focused on the frontiers of power technology. This year's program includes ...

The three Japanese scientists who invented the first efficient blue LEDs in the mid 1990s have received the 2014 Nobel Prize in Physics. The invention of efficient blue LEDs was a foundational step in ...