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. Aspencore network. News & Analytics ... The Schematic.

I used an LCD shield to display the current temperature and speed of the fan, but you can use the circuit without the LCD display. You also need to select the transistor by the type of fan that you ...

Instead, he drew up a simple schematic that used an Arduino Nano, an ... 30 thoughts on “ Retro-fit Old Radio With Arduino And FM Module ” Galane says: July 2, 2015 at 1:09 am ...