4 keyboard test procedure four keyboard test procedures

使用单片机系统制作波形发生器，能产生正弦波、方波、三角波-The production of single-chip microcomputer system using the waveform generator, can generate sine wave, square wave, triangle wave

128x64液晶KS0108驱动程序 具体请看程序，谢谢。-the driver of 128*64 liquid crystal KS0108. see the c program for detail. Thanks you.

c8051f020 的扩展8255驱动数码管显示 同样是keilc啊-C8051F020-driven expansion of 8255 is a digital tube display the same keilc ah

单片机8051 MTV512,用了串口缓冲区收发合一的方式,中断 -Singlechip 8051 MTV512, serial buffer used to send and receive one way, interrupted

msp430x22x4的c程序，例子很多，几乎涵盖了msp430x22x4系列的全部功能。-msp430x22x4 c-program, many examples, covering almost msp430x22x4 series of full functionality.

串口程序源码，增强版！mega16系列的！-Serial program source, enhanced version! mega16 series!

ASM51－RS232串行通讯-- RS232 serial communication

MS-51高级应用程序库，欢迎大家下载分享下载，交流，-MS-51 high-level application library, welcome to download share download, exchange,

一个对4X4数字键盘进行行&列扫描,获取扫描码的程序,支持符合键,串键,软件去抖.-one pair of 4x4 digital keyboard ranks scanning, access code scanning procedures, with key support and collaborate keys, software to tremble.

介绍msp430的c语言编程，有很多例子，通俗易懂，很适合初学者-MSP430 introduction of the c language programming, there are many examples of user-friendly, it is suitable for beginners