用51单片机控制的LED闹钟，可显示时间和日历，有秒表功能，用闹钟功能，还有音乐闹铃。文件里包含电路图，大家使用的引脚不同，可以比照图修改。-51 MCU control with LED alarm clock that displays time and calendar, stopwatch function, with alarm clock function, and music alarm. File contains the circuit, we use the pin will

LED灯16级灰度控制程序，CF卡ADDRESS 为0000-7FFF范围-16-level grayscale LED light control procedures, CF card for the 0000-7FFF range ADDRESS