youtu.be/mMLmCViaFKI (delawarelights)

Race #5343

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Official speed 163.73 wpm (21.18 seconds elapsed during race)
Race Start November 15, 2020 7:40:23am UTC
Race Finish November 15, 2020 7:40:44am UTC
Outcome No win (1 of 1)
Accuracy 100.0%
Points 128.26
Text #4060100 (Length: 289 characters)

There are many other ways of programming the switching sequence, which will not be discussed here. In many cases the switching sequence is under computer control. In the simple method used above, the intention is to show the fundamental principle upon which pulse width modulation is used.