4* 4 keyboard scan applications uVision3 platform development in C51 programming

非常好的程序，我亲自试用过，绝对可靠，相信对你会有很大的帮助-very good procedure, I personally tested and absolutely reliable, I believe you will be a big help

单片机显示子程序初始化 C语言编程 保证好用-Single-chip display initialization subroutine to ensure that use C language programming

在51单片机系统中利用专用以太网控制芯片RTL8019AS实现以太网接口-51 single-chip microcomputer system in the use of a dedicated control chip RTL8019AS Ethernet Ethernet interface

use for connection to enternet

红外线遥控的相关代码及主控芯片的参考资料-Infrared remote control code and master the relevant reference chip

一个用keil 51c实现的单片机系统程序，实现led显示和其他一些模块的控制-Using keil 51c realize a single-chip microcomputer system of procedures, led display and realize a number of other control modules

单片机常用程序集锦。有了它，以后写程序就方便多了。-Single-chip Collection of commonly used procedures. With it, after the writing process much more convenient.

AVRandSED1520（ATMEGA32显示驱动和原理图）； -AVRandSED1520 (ATMEGA32 display driver and the schematic diagram)

用SST89C58,对微型打印机和液晶的显示-With SST89C58, on the micro-printer and liquid crystal display

C51编写的用ＩＯ脚模拟串口的源程序,供初学者参考-C51 prepared by serial IO pin analog source, the reference for beginners