下载后可任意编辑元件清单名称型号数量（个）单片机AT89S521RS-232 标准串口设计的接口电路MAX2321串口DB91光耦MOC30521双电压比较器LM3931稳压管LM78051变压器220V 转 9V1二极管IN40072三极管90131可控硅BTA081LED 灯发光二极管1灯泡220V 40W 的白炽灯1滑动变阻器100K1光敏电阻LG44162电阻1001330110K51K1150K2电容103110421054电解电容10pF210uF11000uF/25F12200uF/25F1下载后可任意编辑Private Declare Sub Sleep Lib "Kernel32" (ByVal dwMilliseconds As Long)'通信Dim commflag As BooleanDim commstr(0 To 3) As Byte'灯泡状态 true 亮 false 灭Dim lightstate As Boolean'故障指示灯状态 true 亮 false 灭Dim errorledstate As Boolean'联机指示Dim connection As BooleanDim config As String//当点击“联机”按钮时或动其他按钮时，假如计算机和硬件未连接，会出现”端口打开错误”的命令窗口；假如计算机和硬件连接了，会出现”系统已联机”的字样。Private Sub Command1_Click()On Error GoTo out If Not connection ThenMe.MSComm1.CommPort = Me.Combo1.ListIndex + 1 Me.MSComm1.PortOpen = True If Me.MSComm1.PortOpen = False Then MsgBox "端口打开错误", vbOKOnly, "错误" Else connection = Not connection Me.Label8.Caption = "系统已联机" Me.Label8.ForeColor = RGB(255, 0, 0) Me.Command1.Caption = "断开" commstr(0) = &HFFP1.01P1.12P1.23P1.34P1.45P1.5/MOSI6P1.6/MISO7P1.7/SCK8RST9P3.0/RXD10P3.1/TXD11P3.2/INT012P3.3/INT113P3.4/T014P3.5/T115P3.6/WR16P3.7/RD17XTAL218XTAL119GND20A8/P2.021A9/P2.122A10/P2.223A11/P2.324A12/P2.425A13/P2.526A14/P2.627A15/P2.728PESN29ALE/PROG30EA/VPP31P0.7/AD732P0.6/AD633P0.5/AD534P0.4/AD435P0.3/AD336P0.2/AD237P0.1/AD138P0.0/AD039VCC40U1AT89S52D3IN4007L1LEDR11KR21KC1104C2104C5104Vin1GND2Vout3U5LM7805R310KR8100R410KVCC213T1BTA081264U2MOC3052C10103R6330R7330VCC C1+1V+2C1-3C2+4C2-5V-6T2out7R2in8R2out9T2in10T1in11R1out12R1in13T1out14GND15VCC16U4MAX232C6105C7105C9105C8105162738495J1DB9VCCVCCR510KS1SW-PBVCCC1230pFC1330pF12J29VVCCOUTPUT A1IUTPUT A+2 IUTPUT A-3GND4 IUTPUT B- 5 IUTPUT B+ 6OUTPUT B7VCC8J3LM393R1010KR14150KR910K...
