青云科技的液晶模块lcm0825汇编原程序，调试通过。

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

这是一个读写AD7797模数转换的程序，经过调试，可以工作，希望有人可以参考-This is a read-write AD7797 analog-digital conversion process, after debugging, you can work, hoping that someone can refer to the

内核键盘，实现模拟标准的PC102键盘，实现键盘的操作使用和控制。-Core keyboard, the realization of analog standard PC102 keyboard, keyboard realize the operational use and control.

MSP430 单片机的下载线原理图 官方图纸-MSP430 MCU to download the official line schematic drawings

基于ARM7的U盘程序开发代码,可以-ARM7-based U-procedure code, can see the

MCS51单片机实现LCD1602显示汉字-MCS51 MCU LCD1602 display Chinese characters

单片机实用子程序汇编代码-SCM practical subroutine code compilation

简单的A/D，D/A转换程序，适合初学者

模拟串口C51编程-simulation C51 Serial Programming

一个4*4键盘程序，当有按键按下时将在数码管上显示出按下的字符-A 4* 4 keyboard procedure, when the button is depressed will have in the digital control on the press shows that the characters