#define redPin 9 // Pin for the red RGB led pin #define greenPin 10 // Pin for the green RGB led pin #define bluePin 11 // Pin for the blue RGB led pin #define potPin_red A2 // declare pin for 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 ...

I made a small LED 💡 project in which there are 10 LED whose blinking speed varies using potentiometer(with the help of ARDUINO uno) the real world example of this ...

What is PWM? PWM is a technique by using we can control the voltage or power. To understand it more simply, if you are applying 5 volt for driving a motor then motor will moving with some speed, now ...