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PWM调光原理简介_百度文库
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PWM调光原理简介_百度文库
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Garment Accessories
2012-3-25 · PWM 调光 脉宽调制(PWM)是利用微处理器的数字输出来对模拟电路进行控制的一种非常有效的 技术,广泛应用在从测量、通信到功率控制与变换及 LED 照明等 …
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