有的传感器会输出脉冲信号，MCU需要统计脉冲输入的个数，通常有如下实现方式： 原理很简单，利用GPIO的上升沿或者下降沿中断，进中断的次数就是脉冲的个数。只需要在中断服务函数里计数即可。 使用GPIO中断需要注意： 脉冲信号的频率不能太高，否则MCU ...

STMicroelectronics had built a general purpose power consumption tester and a general purpose power supply for any ≤3.6V microcontroller into its latest programme/debug probe for STM32 MCUs. Called ...