sheet1 sch eco 2006-1-13 14-33-16.log

简易232串口通讯电路,不用集成电路---------------------单片机和PC通讯

Change Component Designator: Old Designator=C? New Designator=C1
Change Component Designator: Old Designator=D? New Designator=D1
Change Component Designator: Old Designator=D? New Designator=D2
Change Component Designator: Old Designator=J? New Designator=J1
Change Component Designator: Old Designator=Q? New Designator=Q1
Change Component Designator: Old Designator=Q? New Designator=Q2
Change Component Designator: Old Designator=R? New Designator=R1
Change Component Designator: Old Designator=R? New Designator=R2
Change Component Designator: Old Designator=R? New Designator=R3
Change Component Designator: Old Designator=R? New Designator=R4
Change Component Designator: Old Designator=R? New Designator=R5