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 ...

Using a little electronic programming, hardware and of course 3D printing technology, James Bruton has created a new gyroscopic lead-controlled RGB LED ball. Check out the demonstration video below to ...

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 ...