能够测量0hz~1Mhz范围内的各种频率，有自动换档功能

这是一个矩阵键盘按钮液晶1602流动显示预定字符，适合初学者及工程应用。-This is a keyboard button matrix LCD shows scheduled for 1602 mobile characters for beginners and engineering applications.

S2试验板 AT89C51 晶振12M 1-S12控制的数码显示-S2 test AT89C51 crystal plate 12M1-S12-controlled digital display

本人编写的CS3758DEMO测试程序，CS3758主要用于5.1CH电子音量控制，兼容PT2258-I CS3758DEMO prepared by the test procedure CS3758 mainly for 5.1 CH electronic volume control, compatibility PT2258

被除数由高到低存于TEMP_STR-->TEMP_STR+4中，除数存于TEMP_STR+10-->TEMP_STR+14中, 运算后商存于TEMP_STR-->TEMP_STR+4中，余数存于TEMP_STR+5-->TEMP_STR+9中 高字节在前 方法：移位相除 10位BCD码除法 XUE:20080729-High to low dividend deposited in TEMP_STR-> TEMP_STR+ 4, the divisor stored in TEMP_STR+ 10-> TEMP_STR+ 14, the operations are kept in after TEMP_STR-> TEMP_STR+ 4, the remainder stored in TEMP_STR+ 5-> TEMP_STR+ 9 in the high byte of the former method: shift 10 BCD division code division XUE: 20080729

本程序**%100汇编语言**编写。 编译器： 编辑器: (IDE)-the procedures**** 0 assembler language preparation. Compiler : lt; Lt ;----- MASM6.14----- gt; Gt; Editors : lt; Lt; EditPlus2 .10 c------ gt; Gt; (IDE)

it can help you use C++ program we

hello.c program sample

用于8259中断的程序，可使用Winxp Xingyan集成环境运行。-Used for 8259A interrupted,the invironment is Winxp Xingyan

步进电机的运转程序-stepper motor operation procedures

本程序用于简单的成绩管理,如多学生成绩的输入,,查找,插入,和排序,并能保存并调出以输入的文件进行处理等。-This procedure for the simple performance management, student achievement such as multi-input,, to find, insert, and sequencing, and can save and transfer a file to input processing.