一个电子元器件绘制系统,实现了对一些电子器件的虚拟-an electronic mapping system components, to achieve some of the virtual electronic devices

\"工程师硬件使用手册\"此书使你工作轻轻松松查询各种常用电子线路及电子元器件引脚符号!-"hardware engineers use manual," this book to make you work a light-hearted advice on various common electronic circuits and electronic devices yuan Symbol pieces pin!

一个用来查器件的工具，使用时需要联网，不过很方便，一般的电子器件都能查到。-a little cute tool for scanning the Parameters of electronic devices.