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Originally Posted by NoRemorse
PWM = pulse width modulation
its a serious of I's ans O's, and the higher the number, thr more of accurance of I's
the duty cycle is the total length between 2 leading edges
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The duty cycle is measured as a percentage of the total period of the square wave. You can also describe this as time between the rising edge and the falling edge of the square wave. I don't think that "the total length between 2 leading edges" was concise enough.
I'm sure there're other threads that explain the fundamentals of PWM, PPM, and whatever else.