...

1. You already know how to connect an LED to the Arduino board.
2. This time, you need to connect the LED the same way but into different output number that supports PWM( what is this ) output
   In other word, with "~" by the side of the number of PIN.

3. Let's connect the LED to pin 9 as refer to : http://arduino.cc/en/Tutorial/Fade

   iframe

4. Anchor
   pwmdescription

   src

   pwmdescription

    PWM is "Pulse-width modulation", please refer to : http://arduino.cc/en/Tutorial/
   Fadewidth960idfadearduionheight600

    

   Anchorpwmdescriptionpwmdescription PWM is 

   PWM