STM32单片机采集方波频率

上传者: 62544059 | 上传时间: 2023-05-22 18:25:01 | 文件大小: 5.91MB | 文件类型: RAR
使用了STM32F407单片机,HAL库编程可直接移植到其他系列上。利用了定时器5CH1(PA0)的输入捕获,可以准确的采集2~1.2MHZ方波频率精度在0.001%。PB7,PB8作为IIC软件模拟IO口可使用OLED显示。

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