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 ...
So you've already outgrown Arduino's most beginner-friendly board, the Uno, and are looking to move on to bigger, more exciting projects. In that case, the Nano family might just be what you need.
If you are new to DIY and are just getting into project building with Arduino, like myself, you might be feeling a little overwhelmed. You might think you can't learn this stuff. I am relatively new ...