Many of us have a habit of streaming a lot of video content on the Internet. We browse for documentaries, tutorials, fun content, or other walkthroughs. The video industry has always been a really ...

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 speed controller, the motor’s speed (or velocity) is being controlled. There is an element that detects speed, whether it be a tachometer or some sort of encoder. This monitoring element provides ...