89c52 于深圳芯海科技有限公司的高精度24位ad 芯片cs1240 的通讯源码-89C52 core sea on the Shenzhen High Precision Technology Ltd. 24 ad communications chip cs1240 FOSS

This a timer using 24 hours max until the pc shuts down, it is tested in windows xp-This is a timer using 24 hours max until the pc shuts down, it is tested in windows xp

24小时时钟，可以切换时分和分秒，带有清零，和秒归零-24-hour clock, you can switch the hours and minutes and seconds, with cleared, and zero seconds

单片微型计算机简称单片机，又称为微控制器，是将CPU、RAM、ROM、定时/计数器、I/O接口电路集成到一块电路芯片上构成的微型计算机。本次设计的系统由单片机系统、数码管显示系统、键盘、蜂鸣器等组成，通过按键来控制单片机实现数字时钟的时、分、秒显示，12、24制转换，设定时间、闹钟等不同功能，并通过P0口的输出在LED上显示。(Single-chip microcomputers, also known as microcontrollers, are microcomputers that i