把stm32f103的TIM1和TIM4引出,单独对定时器的PWM输出、输入捕获、编码进行使用,还可以作为普通的io进行电平输出,配有0.96寸LCD可以方便的观察各种信息。
还有ch340芯片,方便接受、输出信息。
代码之后放出。
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