基于51单片机lcd1602矩阵按键的电子秒表.zip

上传者: lls3154850643 | 上传时间: 2021-05-06 11:02:20 | 文件大小: 58KB | 文件类型: ZIP
lcd1602显示计时,矩阵按键切换功能,按键功能有计时与暂停,菜单切换,记录,查记录,清零等。最大计时99.59.99分,每分钟误差不超过0.05秒,可自定义记录时间的组数。矩阵按键采用定时器消抖,大大减少误差。

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