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 ...

This is just a fun Arduino project that uses leds connected in circle as a ring to produce a rotation effect. You can adjust the spinning speed with a potentiometer and you can also set a minimum and ...

Oh sure, it’s pretty cool to display your current gear selection on a little LCD screen using an Arduino ... prototype for one sensor (using a potentiometer as a stand-in, since the simulator ...