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