PWM
代码说明:
PWM调光 1、学习目的:利用定时器产生PWM,了解原理和使用方法 2、硬件要求:LED灯 定时器 3、试验现象:LED灯由亮到灭,由灭到亮逐步变化,也就是调光现象(PWM dimming, learning objectives: the use of the timer to generate PWM understand the principles and use hardware requirements: LED lamp timer test phenomenon: LED lights from bright to off, gradually changes from off to bright, that is, adjusted optical phenomena)
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