Pulse Width Modulation, or PWM, is a technique for getting analog results with digital means.

脉冲宽度调制或PWM，是通过数字均值获得模拟结果的技术。

youdao

Pulse Width Modulation, or PWM, is a technique for getting analog results with digital means.

脉冲宽度调制或PWM，是通过数字均值获得模拟结果的技术。

youdao