The Pulse Width Modulation (PWM) technique plays an important role in controlling the circuits. The width of pulse will give the command to the machine to work either slow or fast or at desired phase. We can control the pulse width and we can easily control the machine. In this project we will use this PWM technique to control the intensity of the LED.
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- http://www.tenettech.com/product/6068/power-supply-breakout-board
- http://www.tenettech.com/product/2785/jumper-wires-ff-kit
- http://www.tenettech.com/product/218/555-timer
- http://www.tenettech.com/search?q=led&r1=default
- http://www.tenettech.com/product/5273/npn-bipolar-transistors-pn2222-10-pack#contentHome-tab
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