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 ...

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 ...

In this experiment we are going to use a element called photoresistor. This sensor allows us to interact with the external environment, through intensity of light. The photoresistor is based on light ...

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 ...

LED Christmas lights are here to stay. They offer the benefits of low energy consumption and no heat, but can you live with the color? Flickr user Solarbotics/CC 2.0 In 2006 the Capitol Christmas tree ...