Idiotware Shield

IoT for Arduino, simplified.

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Dec 23, 2016

Project update 11 of 35

PWM Using Potentiometer (Basic)

The Arduino has the Pulse Width Modulation (PWM) feature, which allows us to control brightness of LED’s and speed of DC motors.

This example uses the Potentiometer to change the width of the pulse of a fixed frequency square wave, and hence affect the brightness of the LED.

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