网上下回来的只能大夏报警系统，access做的数据库，通信方式是串口，很经典，可惜我看的不太懂。好像是长春明日科技有限公司放出来的-Can only come back online the next big summer alarm system, access the database to do, communication is serial, classic, and unfortunately I see do not understand. Changchun Science an