经过整合，把多个网站关于STM32 输出PWM的资料详细简单化，让不熟悉STM32定时器及PWM的朋友受益，绝对是精简的干货。可能有点朋友觉得简单，但这些很实用，很容易理解。让困难变的简单~~(After integration, a number of websites about STM32 output PWM data in detail, so that not familiar with the STM32 timer and PWM friends benefit, is abs