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说明：  STC12C5A60S2多个程序，用于简单学习(STC12C5A60S2 multiple procedures for simple learning)

西电算法上机作业，其中包括作业一作业二作业三作业四，每个代码都能运行啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦阿拉啦

本系统以单片机AT89C52为核心,以数模转换器DAC0832实现方波、正弦波、三角波、锯齿波波形的输出，实现信号发生器的简易功能。(This system with single chip microcomputer AT89C52 as the core, with digital to analog converter DAC0832 achieve square wave, sine wave, triangle wave, sawtooth wave form output, realize the simple function of the signal generator.)

用于机床铣削力建模计算，通过该程序可很好的队铣削力进行预测(Machine Tool Cutting Force Modeling for computing, the adoption of the program can be a very good team to predict milling force)

vc如何实现快捷菜单的源码，有兴趣的朋友可以看下(vc how to source the shortcut menu, interested friends may have a look)

GIS 后方交会程序，网上数据验证通过，C#开发(GIS resection program, debug program by data from net,C# language,.NET develop enviroment)

一种简单的心率测量系统设计，能显示并进行上下限报警(A simple heart rate measurement system design, and upper and lower alarm)

4路pwm占空比可调节，按键中断，步进10%可改写(4-way PWM duty cycle adjustable)

说明：  一本计算机算法书籍 对学习者会有很大的用处(A computer algorithm book will be of great use to learners)

74HC138驱动数码管程序，驱动4位共阳数码管，阳极全部高电平，138驱动段码(74HC138-driven digital control program)