大三时做的，效果不错，可以做到10米，精度10cm以内，看看知道了...

全面接触DSP原理，以一个应用的具体实现来很快的了解DSP技术-comprehensive engagement DSP principle to a specific application to quickly achieve a better understanding of DSP Technology

4x4的键盘的程序在430单片机程序，键盘是有源的，硬件电路设置成的是上拉-4x4 keyboard program in 430 MCU program, the keyboard is active, the hardware circuit set the pull-up

GSM模块TC35及其外围电路设计-TC35 GSM module and the external circuit design

基于s3c2410的触摸屏驱动，带有makefile，可在linux下直接编译 -s3c2410 based on the touch screen-driven, with a makefile, linux under the direct translation

串行存储器拷贝器-copy serial memory device

Ansoft Maxwell user guide-Ansoft Maxwell user guide

FPGA开发板的原理图很详细的，主要是ALTERA公司的CYCLONE，用protel画的，-FPGA development board schematic diagram of a very detailed, mainly ALTERA company CYCLONE, using Protel painting,

在NIOS中生成dds的.h文件，配合相应的.c文件，生成dds，由于要尽量使软件符合软件工程要求，故在main函数中仅需调用.c，在头文件中添加.h-Dds in NIOS generated the. H file, with the corresponding. C files, generate dds, As we have to try to make the software meet the software engineering requirements, it is only in the main function call. C, add in the header file. H

EBD7312 蜂鸣器驱动 STD调试代码-EBD7312 buzzer-STD code debugging

国内还比较新的network processor的微代码开发，关于scratch ring的例子，用的uc语言，告诉你如何利用已有的宏和调用硬件资源。-domestic still relatively new network of micro-processor code development, on the scratch ring example, the uc language, tell you how to make use of the call-and hardware resources.