用89c51实现数字时钟，6位LED，4*3的key，程序已经调试好，可以直接使用

从输入文件如in.txt读取数据，经com1端口发送（自发自收），收到的内容存入输出文件如out.txt。 在按键后启动发送，并开始计时，发送完毕后，结束计时，并显示发送所花时间。

  Dim xs As Integer   Dim ys As Integer   Dim alph As Single   Dim lng As Single   Dim m As Integer   Const PI As Single = 3.14159265 Private Function tree(x As Integer, y As Integer, angle As Single, length As Single, n As Integer)     Dim x0 As Integer   Dim y0 As Integer   Dim alpha As Single   Dim beita As Single   Dim leng As Single   BackColor = vbWhite     If n > 0 Then     x0 = x + Cos(angle) * length     y0 = y - Sin(angle) * length     picture1.Line (x, y)-(x0, y0), vbbrake     alpha = angle - PI / 8     beita = angle + PI / 8     leng = 2 * length / 3         Call tree(x0, y0, alpha, leng, n - 1)  &nbs

A/D转换加1602显示proteus仿真-A/D converter plus 1602 Show proteus simulation

本程序用来计算matlab中两点坐标之间的距离，坐标必须是经纬度，并表明所要计算的单位-This procedure used to calculate the matlab in the distance between two coordinates, latitude and longitude coordinates must be, and show that to calculate the unit

it can help you use C++ program we

王爽汇编语言的课件，里面全是幻灯片，全书的都有，学习王爽汇编的人不要错过-Wang Shuang assembly language courseware, which is slides of both the book, compiled by Wang Shuang learning not to be missed

*****汇编语言程序设计 源代码-Assembly Language Programming

通过AT89C51,可以对LCD 进行读和写.-Through the AT89C51, can be carried out on the LCD to read and write.

用传输矩阵法计算光子晶体的透射率,文件中将程序写在word文档中,并附带有在matlab下画的图,程序用matlab编写,感觉很有用,-use of the transfer matrix method photonic crystals transmission rate, which will write the procedures for word documents, Matlab together with the painting under the plans, procedures using Matlab prepared, I feel very useful,

ASM 编程音乐绿岛小夜曲-ASM programming music Green Island Serenade