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 ...

[youtube width=”537″ height=”302″]http://www.youtube.com/watch?v=gNX0WCgSVuk[/youtube] If you read our enlightening “how to switch to LED bulbs” tutorial ...

Thanks to their energy savings, long service life, durability and design flexibility they offer, light emitting diodes (LEDs) are rapidly replacing incandescent and fluorescent technologies in both ...