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By ronakagarwal
#84434 A Pulse Width Modulation (PWM) Signal is a method for generating an analog signal using a digital source.

There are many different ways to control the speed of DC motors but one very simple and easy way is to use Pulse Width Modulation.
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By MarionJohnson
#84916 In the event that the computerized low is 0V (which is typically the situation) at that point the normal voltage can be determined by taking the advanced high voltage duplicated by the obligation cycle, or 5V x 0.6 = 3V. Choosing an obligation cycle of 80% would yield 4V, 20% would yield 1V, etc. PWM signals are utilized for a wide assortment of control applications. KPK Jobs