4*4矩阵键盘（行扫描法） （S51环境）

音乐兰花草播放演示，汇编编写，用的是扬声器，不是蜂鸣器!-Music orchids player demo, compilation of writing, using a speaker, not the buzzer!

进行51单片机主控智能车模块测试时用光电管返回的道路信息控制舵机以一定角度转向。-Intelligent control for 51 single-chip module test vehicle with photocell control to return to the road information to a certain point of gear shift.

红外通信的程序以及使用还有电路的设计大家可以参考使用-ZHX101

数字电压表,可模拟进行电压测量,用数码管显示电压值,有图和程序-Digital voltage meter, can be simulated for voltage measurement, digital display voltage value, a plan and procedures

个人做的电子钟，有32个闹钟,可以在一个星期内任一天响铃-Individuals to do the electronic bell, there are 32 alarm clock can be within a week any day ringing

自制的一个单片机发送按键代码,另一个单片机接收按键代码的实例.-adfadf adf asdf asd fasd fadf sdfasdf asdf sadfsadf asdf asdf d fadf sadfasdf asdfa

高速12位AD芯片.AD7887.读写芯片和AD数据C代码.-12 AD high-speed chip. AD7887. Chips and AD data read and write C code.

430 149的PDF，是一片基本的430单片机，价格便宜，适用于初学者-430 149 of PDF, is a basic single-chip microcomputer 430, cheap, applicable to beginners

自己使用AHDL语言编写的24位累加器.主要使用于DDS-24bit_acc

模拟交通灯，并带有数字显示的程序。初始时全为红灯，显示“HELLO”字样。然后交通灯以“红绿、红黄、绿红、黄红”四种状态做循环，而且黄灯会闪烁，每种状态都带有到数记时。当按下P3_2时，变成“红红”状态，并显示“STOP”字样！ -simulated traffic lights and figures with the procedure. When all of the initial red, shows that the "hello" words. Then traffic lights to the "black, red and yellow, green, red, yellow red" state to do four cycle, but the yellow light flashes, each state will have a few to remember when. When pressed P3_2, into a "red" state, and shows that the "STOP" word!