此PDF文件为一51串口下载烧录器电路的PCB图,可直接打印于光面纸上用于热转印制作,对于单片机初学者有一定的实用度.-This PDF document is a 51 serial download burner PCB circuit diagram, can be directly printed on glossy paper used to transfer the production of, for Singlechip beginners have a certain degr

一个简单易用的PDF编辑软件，解压后可以直接使用，不用安装，完全绿色版的。功能易用实用.-A simple-to-use PDF editing software, after decompression can be used directly without installation, complete the green version. Features easy to use utility.

Radio driver utility

dvdauthor is a utility to create proper DVD directory structures MPEG2 video.-dvdauthor is a utility to create proper DVD directory structures MPEG2 video.