详细的usb设计sch pcb图纸，及源代码，可以参考

这些都是常用的通信设备的电路原理图，很多是高频电子线路的--Circuit diagrams for some commonly used communication devices. Many are operated under high frequency.

正弦信号发生器[2005年电子大赛一等奖].files-sinusoidal signal generator [e-Competition in 2005 won first prize]. Files

自己编的Freescale 16位微控制器XDT512的I2C通信模块应用程序（结合了LED陈列和触摸板的应用），适合初学Freescale16位微控制器的同学使用。-Its own series of Freescale 16-bit microcontroller XDT512 of I2C communication module applications (a combination of the application of LED display and touch pad), suitable for beginners Freescale16-bit MCU students to use.

UCGUI是一种嵌入式应用中的图形支持系统。它设计用于为任何使用LCD图形显示的应用提供高效的独立于处理器及LCD控制器的图形用户接口 请点击左侧文件开始预览 ！预览只提供20%的代码片段，完整代码需下载后查看 加载中 侵权举报

进程管理的模拟-Process management simulation

24c16的读写程序--Read and write program for 24c16.

ZLG USB 套件-ZLG USB set of

PIC16f877的lcd12864驱动程序（带字库屏）-PIC16f877 the lcd12864 driver (with character screen)

刚才上载了LCD的中文件数据手册。现在再上一个自己写的比较通用的LCD驱动程序模版。-LCD just uploaded the manual in the file data. Now to a comparison of their own to write generic templates LCD driver.

tms320c5409 dtmf source code