本程序是4位七段显示、3x3键扫实验，正确无误。

此包包括以HD4478位控制器的LCD说明，另外有一89c51为例，采用直连方式编写的lcd驱动程序，效果为将要显示字符以左滚动方式双行显示，难度不大，但体现部分原理，水平不高，共同进步！-HD4478 to the LCD controller note, another example of a 89c51, with Direct Connect approach to the preparation of the LCD driver and the results will be revealed for the characters to the left of double rolling basis, not more difficult, but embodies some principles, the level is not high, and common progress!

74LS164的芯片资料，很 详 细 的 介 绍-74LS164 chip data, it is in detail

汽车领lin总线通讯程序，非常有参考价值，请大家用的时候最好有lin总线的知识-Automotive collar lin bus communication procedures, a very valuable reference, please use the time everyone has the best knowledge lin bus

一份非常完整的51单片机与P/S2键盘的通信程序，含有大量注释，不错的。-A very complete 51 SCM and P/S2 keyboard communication program, containing a large number of comments, good.

C51单片机控制LED灯闪烁（用于汽车警示作用）。-C51 SCM control LED lights flashing (for automotive warning).

这是一个GPS方面的资料，可供想在嵌入式方面编程的人员参考-This is a GPS information, can be like in the embedded programming staff members

两颗51单片机通过串口通信的代码,独有的仲裁机制使得任一颗单片机都能成为主机.-2 51 Single-chip serial communication through the code, unique to the arbitration mechanism allows any host can become a single-chip microcomputer.

经典的汇编语言程序！是把书上理论的不好 理解的原理用程序表达出来！-classic assembly language! The book is on the theoretical understanding of the principles of bad procedures used expression!

PWM逆变模型，可以观察逆变波形以及控制信号 波形，适合初学者使用-PWM inverter model, can be observed as well as the inverter waveform control signal waveform, suitable for beginners to use

蜂鸣器响 改变蜂鸣器的频率，通过改变延时时间 蜂鸣器的时间要是是靠延时来完成的-Buzzer buzzer ring to change the frequency by changing the delay time if the buzzer is the time to be completed by the time delay