This is an easy tutorial showing how you can control the brightness of an LED or adjust the speed of a DC fan using Arduino Board, a small BC547 transistor and a potentiometer. In my example the whole ...
In a previous article, I discussed LEDs in general and their properties. In this write-up, I want to give some examples of driving LEDs and comparing a few of the most commonly used methods. There is ...
The adoption of LEDs for general lighting is just around the corner. LEDs offer many advantages in general illumination systems, including longer lifetimes and greater efficiency, but they present ...
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