一个单片机常用的元件库，做得不错，希望大家能够喜欢-a common component library, has done a good job, hope that we can love

protel常用sch元件库,能够适应一般的电路设计了,很不错,我积累了一年多哟,Protel sch common component library, able to adapt to the general circuit design, and is pretty good, I have accumulated more than a year yo