万年历 ......\AT89C2051.pdf ......\AT89C51.pdf ......\Backup of 万年历.Sch ......\Backup of 万年历2.Sch ......\Backup of 小区报警管理系统.Sch ......\Backup of 电源2.Sch ......\DS1302.pdf ......\DS18B20.pdf ......\MyDesign.Bkp ......\MyDesign.ddb ......\Previous Backup of 万年历.Sch ......\Previous Backup of 万年历2.Sch ......\Previous Backup of 小区报警管理系统.Sch ......\ULN2001-4AN.pdf ......\万年历.Bkp ......\万年历.ddb