电脑音源切换控制器（带红外功能） 用AT89C251+CD4016切换控制，可控制四路以上的立体音源输入切换，一路立体声输出,有红外遥控PC功能。

STK500_2下载器 M8 支持bootloader(带bootloader源码) 使用STK500_2 协议的ISP下载器，监控芯片 M8,数据通讯RS232.使用 ATMEL AVRStudio 4.xx STK500工具的进行软件升级。可通过ATMEL AVRStudio 4.xx STK500工具升级固件程序。升级方法：通过设定电压 即按“write voltage”按钮进入bootloader程序。 -M8 browser support STK500_2 download bootloader (with bootloader source code) to use the ISP to download STK500_2 agreements, and monitor chip M8, data communication RS232. Use ATMEL AVRStudio 4.xx STK500 tool for software upgrades. By ATMEL AVRStudio 4.xx STK500 firmware upgrade tool. Upgrade methods: by setting the voltage that is, according to

Philips单片机P89C51RD和西门子Profibus工业总线的接口程序,硬件是鼎实公司的实验板,使用的鼎实公司的总线桥.-Siemens Profibus and Industrial Access Bus export procedures, hardware Teijitsu board of the company, using the company"s Teijitsu Bus Bridge.

信号滤波，使用在AVR. 串口接收数据格式 0xFFFF+数据位。-Signal filtering, the use of the AVR. Serial receive data format 0xFFFF+ Data bit.

本程序是为USB开发板D12TEST编写的ASM51源码,编译好后下载到51单片机里即可.-the procedures for USB development board D12TEST Calling prepared by the source, Build good after download to 51 SCM Lane will be.

用软件模拟I2C的源代码，内有说明-I2C software simulation source code, which is described

6416led+ds1302+8951电子钟,完整源代码-6416led+ Ds1302+ 8951 email钟Chang, Tai-complete entire Tungsten measurements

计算一个矩阵中的水仙花素，不过使用前先建一个txt文件，里面输入一个矩阵-Calculation of a matrix in the Su-daffodils, but before using to build a txt file, inside the importation of a matrix

12位高速数模转换芯片TCL5620驱动程序-12 high-speed digital-to-analog converter chip driver TCL5620

128*64LCD功能程序（原创）-128* Embedded function (original)