各种单片机的bootloader,支持ISP下载

用vb编的一个电子邮箱管理程序，希望对visual basic编程感兴趣和希望了解电子邮箱管理软件程序原理的人有所帮助-With vb for a e-mail management process, in the hope that interested in visual basic programming and would like to know e-mail management software program to help the people of principle! !

详细介绍cad转mapgis的过程及方法。-Cad details mapgis to the process and methods.

Sql statement it is very cute -SQL statement it is very cute

金融中优化模型的讲义，对数学建模很有用，希望大家多多下载-Optimization model finance lectures on mathematical modeling is useful, I hope everyone a lot of downloads

是一款适合任何行业企业的文件文档管理系统，多用于公司内部传阅、批阅、共享公文文件，与其它公司进行业务文件往来之用-Suitable for any industry is a business document management system documents used for internal circulation, marking, sharing document files, and other business documents between companies use

在cadence virtuoso 下画bus的skill程序。-In the cadence virtuoso painting under the bus of the skill procedure.

在IC卡应用中对卡进行加密的工具,有加密后的动态-in IC card application card for encryption tools, the dynamic encryption

进一个培训机构后提供的c语言的PPT培训教材。。。对想学习C语言的朋友很有用-Into a training institutions to provide the c language PPT training materials. . . To want to learn C language is useful friends

韦根感应IC卡读写器PCB图,成熟产品,已经用于销售,单片机采用STC89C58RD+,读写模块为RC5-Wiegand sensor IC card reader PCB map, mature product that has been used for sales, single-chip microcomputer used STC89C58RD+, Read and write modules for RC5