蜂鸣器911报警(汇编),单片机的定时器根据声音的频率来设计

flash　m25p80的读写程序，使用软件模拟SPI总线进行操作。-flash m25p80 of reading and writing, the use of software simulation of SPI bus operations.

Protel 99中的快捷键 非常好用 -Protel 99 in very handy shortcut keys

DS1302+DS18B20+无线遥控应用程序-DS1302+ DS18B20+ wireless remote control applications

AT45db021的模拟总线驱动程序。具有很详细的说明。绝对好用。-AT45db021 analog bus driver. Have a very detailed explanation. Absolute ease of use.

CAN总线原理和应用系统设计-邬宽明 网评很好的一本书，电子版的很难找，CAN总线开发的经典教科书-Principle and Application of CAN Bus System Design- Wu Kuan-ming network assessment a very good book, the electronic version of the hard to find, CAN Bus development of the classic textbook

经过一段时间的使用，上次的硬盘MP3播放器增加了USB下载文件功能； 汉字LCD显示功能；子文件夹功能等。并对软件做了一些修改。并将 硬件电路图画出来了。由于做得仓促，难免有不妥之处，请大家谅解， 欢迎指出错误。谢谢。-After a period of use, the last of the hard disk MP3 player, an increase of USB download files function characters LCD display Subfolders functions. And the software to do some modifications. Hardware circuit and the pictures came out. As a result of doing a rush, inevitably something wrong with the U.S. understanding, please welcome to point out the error.谢谢.

虚拟声卡的详细说明！有一个虚拟声卡示波器，现在大量使用，并链接到地图与您分享！

Msp430的flash读写文件配置文件，(msp430f427芯片)-MSP430

插在usb上使用的声卡的原理图,器件少,简单实用

AD系列fft变换-AD series fft Transform