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In this episode, we show how a binary signal can be used to give the appearance of an analog output. We then use this understanding to show how to dim an LED on the Arduino open source platform.

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Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License
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Computer Organization and Design Fundamentals Series was created as part of the East Tennessee State University’s Open Educational Resources (OERs) Awards Program.

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Episode-1.4-Transcript.pdf (158 kB)
Episode 1.4 – Pulse Width Modulation Transcript in PDF

Episode-1.4-Transcript.docx (16 kB)
Episode 1.4 – Pulse Width Modulation Transcript in Word