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What is PWM?
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Let’s share what is the best answer to this interview question.
Leone Costa
PWM stands for Pulse Width Modulation. Pulse width modulation allows us to vary how much time the signal is high in an analog fashion. While the signal can only be high (usually 5V) or low (ground) at any time, we can change the proportion of time the signal is high compared to when it is low over a consistent time interval.