CHAPTER 3 METHODOLOGY 3.1 Overview The Water Monitoring ...

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Appendix A: Assembly Language Program for ADC Data Conversioncpu "8051.tbl"incl "8051.inc"org 50hvolt: dfs 1org 0mov tmod, #00100001Bmov scon,#01010010Bmov th1,#253setb tr1start:clr p2.1; clear port outputsetb p2.0nopclr p2.0nopnopnopsetb p2.0; setting star conversion from ADCjb p3.2,$mov a,p1;get data from ADC42
cjne a,volt,xsamejmp startxsame:mov volt,aswap aanl a,#0fhmov dptr,#tablemovc a,@a+dptrcall txmov a,voltanl a,#0fhmov dptr,#tablemovc a,@a+dptrcall txjmp starttx: jnb ti,$ ; transfer data to serial portclr timov sbuf,arettable: dfb "0123456789ABCDEF"43
Page 1 and 2: CHAPTER 3METHODOLOGY3.1 OverviewThe
Page 3 and 4: 3.2.2 Analog To Digital Conversion
Page 5 and 6: Figure 3.5: Source Code for Convers
Page 7 and 8: 3.2.4 Water Monitoring System Circu
Page 9 and 10: 3.3 Programming.Programming is the
Page 11 and 12: ISP flash programmer in Figure 3.11
Page 13 and 14: The Visual Basic program will start
Page 15 and 16: Distance(cm)ReadingVoltage Trial1 (
Page 17 and 18: 4.2 Signal ConversionA sensor has s
Page 19 and 20: 4.3 User InterfaceBased on Table 4.
Page 21 and 22: Hardware DesignBasically, the const
Page 23 and 24: CHAPTER 5CONCLUSION5.1 SummaryWater
Page 25 and 26: This project can be expanded by usi
Page 27: APPENDICES41
Page 31 and 32: xsame19:jnc more19mov dptr,#XVALIDc
Page 33 and 34: etrx:jnb ri,$clr rimov a,sbufretdel
Page 35 and 36: ElseShape8.FillColor = vbWhiteEnd I
Page 37 and 38: Private Sub Timer3_Timer()Label3.Ca
Page 39 and 40: APPENDIX EData Sheet AT89S5253
Page 41 and 42: Features• Compatible with MCS-51
Page 43 and 44: AT89S52Block DiagramP0.0 - P0.7P2.0
Page 45 and 46: AT89S52weakly pulled high. Setting
Page 47 and 48: AT89S52Table 3a. AUXR: Auxiliary Re
Page 49 and 50: AT89S52Watchdog Timer(One-time Enab
Page 51 and 52: AT89S52Figure 6. Timer 2 Auto Reloa
Page 53 and 54: AT89S52Baud Rate GeneratorTimer 2 i
Page 55 and 56: AT89S52Oscillator CharacteristicsXT
Page 57 and 58: AT89S52frequency should be less tha
Page 59 and 60: Figure 15. Flash Programming and Ve
Page 61 and 62: AT89S52Table 9. Serial Programming
Page 63 and 64: AT89S52Absolute Maximum Ratings*Ope
Page 65 and 66: AT89S52External Program Memory Read
Page 67 and 68: AT89S52Serial Port Timing: Shift Re
Page 69 and 70: Packaging Information44A, 44-lead,
Page 71 and 72: August 1997SemiconductorADC0802, AD
Page 73 and 74: ADC0802, ADC0803, ADC0804Absolute M
Page 75 and 76: ADC0802, ADC0803, ADC0804Electrical
Page 77 and 78: ADC0802, ADC0803, ADC0804Typical Pe
Page 79 and 80:
ADC0802, ADC0803, ADC0804The device
Page 81 and 82:
ADC0802, ADC0803, ADC0804V IN ±5VR
Page 83 and 84:
ADC0802, ADC0803, ADC0804Figures 19
Page 85 and 86:
ADC0802, ADC0803, ADC0804IRQ (4)†
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CHAPTER 3 METHODOLOGY 3.1 Overview The Water Monitoring ...

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