基于数字信号处理器的运动控制，电子的文章比较好，我用的项目参考

Example C8051F120 in Keil uVision Development

通过改变pwm的占空比，调节LED灯的亮暗程度-By changing the duty cycle pwm, regulating bright LED lights concealed the extent of

LED数码管上显示任意十六进制数字，并且利用中断直接实现扫描-LED digital tube display arbitrary hexadecimal digits, and realize the use of interrupted direct scanning

凌阳 61 4*4键盘扫描程序 可以消除重键 -Sunplus 614* 4 keypad scanner can eliminate re-key

U盘引导盘USBoot.rar good kaikai -U disk guide plate USBoot.rar good kaikai

讲述如何用MATLAB实现绘图功能的PPT-This teaches you how to picture。

设计一个鼠标程序，在按下Ctrl键的同时按下鼠标左键，在窗口中拖动鼠标，可以画出一个圆；在按下Shift键的同时按下鼠标左键，在窗口中拖动鼠标，画出一个矩形。-The design of a mouse procedures, press the Ctrl key while pressing the left mouse button, drag the mouse in the window, you can draw a circle in pressing Shift key while pressing the left mouse button, drag the mouse in the window , draw a rectangle.

一个倒计时的程序-a countdown procedures

vhdl rom 程序，标准的rom程序，很简单-vhdl rom procedures rom standard procedures, is very simple

用MATLAB实现的RSA。界面友好，可加密任意长度字符串。-MATLAB RSA. Friendly interface, encryption arbitrary length of the string.