PWM Video
 

Hey Guys,

I just found this little video about PWM - Pulse Width Modulation - which not only is a good way to control the speed of a DC motor on an electric car, but there's lots of other cool things you can do with it too, such as dim LEDs!

So, here's your basic electronics class for the day. Watch it below.

http://www.youtube.com/watch?v=WxGWFhhxnuE