Circuit Skills: PWM (Pulse Width Modulation)
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Uploaded by makemagazine on Jun 1, 2011
http://blog.makezine.com/?p=98982
Another clever trick from the world of electronics - Pulse Width Modulation is a simple method for controlling analog devices via a digital signal. It's also an efficient way to drive motors, lamps, LEDs & more.
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Top Comments
All Comments (356)
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I just find it easier to wire up a 555 timer and use it for the same thing.
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intresting :)
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2:41That's Big, meaty, diode
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Thumbs up for the cheesy ending!
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Sorry...typo. Meant to say Digital IS binary, analog is continuously variable.
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@htfkid2000: No. PWM doesn't work with timing. You can change the frequency to whatever you want, timing doesn't matter, but the output power will depend on the ratio of the on to off portions of the duty cycle, and that ratio can be continuously variable. Digital in binary, analog is continuously variable.
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@FractalDistortion: I think these guys must be confusing digital PCM with analog PWM, but you're right...PWM is analog.
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Agent Smith teaches PWM basics, yay!
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Art of electronics, awesome book
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thank u so much
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TO THE OSCILLOSCOPE!!
naruking11 6 months ago 64
awesome joke PWM = pretty wild man
lomborgelev39 3 months ago in playlist Collin's Lab 3