I made this project because I wanted a way to automatically control the speed of a DC fan according to the temperature read by a LM35 sensor. I had a few problems with the PWM part mainly because the ...

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 ...

Maker and 3D printing expert James Bruton based in the United Kingdom has created a new Arduino project in the form of a unique type of craft thanks to its electric ducted fan (EDF) propulsion system.