关于嵌入式PS2键盘的原理图，基于51单片机的工控键盘。很实用，包括程序，基于Keil的软件程序...

4×4矩阵键盘键值LCD1602显示（汇编语言）,单片机的键盘基础设计-4 × 4 matrix keyboard key LCD1602 display (assembly language), single-chip based on the design of the keyboard

8051串口收发。主机要使用IBM汇编。-8051 serial transceiver. To use the IBM mainframe compilation.

基于89s51的keil跑马灯工程，程序虽然简单，但是它的经典程度不亚于软件开发中的“hello word”，单片机汇编编程者不妨参考一下。内附proteus完整的仿真文件。-Based on the keil Marquee 89s51 works, the program is simple, but it is no less than classic software development in the " hello word" , the compilation of single-chip programmers may wish to reference. Proteus simulation containing the complete document.

Parameters Parameters

一个可调小时分钟的数字钟系统，先是在液晶屏上，显示开始为00：00：

proteus中LCD--HDM32GS12b的仿真及源码.-Proteus in the simulation and LCD HDM32GS12b source.

用C8051F020编写的RA8803控制器320240液晶程序-C8051F020 prepared with RA8803 LCD controller 320,240 procedures

LCD1602液晶显示子程序,实现各行扫描-LCD1602 LCD subroutine, realize the line scan

非常有用 毕业设计的朋友需要的请下载 好的话记得回复 直流稳压电源-Very useful design graduate of the Friends, please download necessary so well remember the reply of DC regulated power supply

DP_51PRO实验仪图形液晶显示实验。先在屏幕上的随机位置显示随机数字(0--9)， * 然后调用画直线函数以屏幕中心为中点画对称的直线，最后显示一个简单的窗口。-Experiment DP_51PRO graphics liquid crystal display experiment. First in a random location on the screen shows random number (0 9),* then calls the function to draw a straight line in the screen center line stipple symmetry, and finally shows a simple window.