找了半天，开发环境里面没有我用的，我用的是protel 99se，对于上次上传的跑马灯EDA程序进行的PCB板设计，供大家学习参考。-Looking for a long time, development environment which did not I use, I use protel 99se, for the last upload Marquee EDA procedures of the PCB board design for them to learn informati

Protel安装时生成的相应的元件库实在太少了！而且很多都不是国标的，这里都是自建的个人感觉常用的元件库，里面有使用说明-The Protel installation generated by the library is too small! And many are not the national standard, here are self-built personal feeling component library, there are instructions for use