As you might already know, I am big of a LED fan, love all its light power and low power needed for that. While viewing the RSS from
HackZine I saw a great short video about the history of LEDs and a little about how to use them. I liked, and decided to share with you, hope you like as much as I.
In case you would like to learn more about leds, you can visit HowStuffWorks and on Wikipedia.
Some projects I’ve used with leds: