Sistem Pemantauan dan Pengukuran Suhu Tinggi Secara Real Time dengan Jarak Jauh Berbasis Mikrokontroler dan Tampilan PC

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Lampiran 1

Listing program dari seluruh sistem .

/***************************************************** This program was produced by the

CodeWizardAVR V2.04.9 Evaluation Automatic Program Generator

Project : Version :

Date : 11/04/2016

Author : Freeware, for evaluation and non-commercial use only

Company : Comments:

Chip type : ATmega8535 Program type : Application AVR Core Clock frequency: 4,000000 MHz Memory model : Small

External RAM size : 0 Data Stack size : 128

*****************************************************/ #include <mega8535.h>

#include <delay.h> #include <stdio.h>

#define ADC_VREF_TYPE 0x00

unsigned int Temperature,Data,c; // Read the AD conversion result

unsigned int read_adc(unsigned char adc_input) {

ADMUX=adc_input | (ADC_VREF_TYPE & 0xff);

// Delay needed for the stabilization of the ADC input voltage

delay_us(10);

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// Wait for the AD conversion to complete while ((ADCSRA & 0x10)==0);

ADCSRA|=0x10; return ADCW; }

void main(void) {

// Input/Output Ports initialization // Port A initialization

// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In

// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T

PORTA=0x00; DDRA=0x00;

// Port B initialization

PORTB=0x00; DDRB=0x00;

// Port C initialization

PORTC=0x00; DDRC=0x00;

// Port D initialization

PORTD=0x00; DDRD=0x00;

// USART initialization // USART Baud Rate: 19200 UCSRA=0x00;

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// ADC initialization

ADMUX=ADC_VREF_TYPE & 0xff; ADCSRA=0x82;

SFIOR&=0xEF; c = 0;

while (1) {

Temperature = read_adc(0);

while (c < 20){ Data = Data + Temperature; delay_ms(50);

c++; }

Temperature = Data/20; printf("%i",Temperature); Data = 0;

c = 0; }

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Lampiran 2

Listing program visual basic untuk menampilkan grafik suhu dan alarm pada PC

Dim Xd(0 To 18000), Yd1(0 To 18000), Yd2(0 To 18000), Yd3(0 To 18000) As Integer

Dim TIMES(0 To 18000) As String Dim j As Integer

Dim Temp, x, y2, y1, L1, L2, R, S, y10, y20, y30, x0, Data As Integer

Dim Sampling_Time As Single Dim oXL As Excel.Application

Private Declare Function sndPlaySound Lib "Winmm.dll" Alias _

"sndPlaySoundA" (ByVal lpszSoundName As String, ByVal uflags As Long) As Long

Private Const snd_sync = &H0 Private Const snd_Async = &H1 Private Const snd_loop = &H8

Private Sub Command4_Click() Timer4.Enabled = True

Trace.Enabled = False Command7.Enabled = False MSComm1.PortOpen = True x = 0

Timer5.Enabled = True Grids

Open "C:\Data\" + Text5 + ".DAT" For Output As #1 End Sub

Private Sub Command5_Click()

sndPlaySound vbNullString, snd_Async End Sub

Private Sub Command7_Click() Timer3.Enabled = False

Set oXL = New Excel.Application Set oxlbook = oXL.Workbooks.Add

FileName = "C:\Data\" + Text5 + ".xls"

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oxlbook.Worksheets(1).Range("B1") = " Temperature " oxlbook.SaveAs FileName

For i = 2 To j

oxlbook.Worksheets(1).Range("A" & i) = TIMES(i) oxlbook.Worksheets(1).Range("B" & i) = Yd1(i) Next i

On Error GoTo 1

oxlbook.SaveAs FileName oxlbook.Close

1:

End Sub

Private Sub Command1_Click() Close #1

Line2(5).BorderColor = &HFF0000 Line2(4).BorderColor = &HFF& Line2(2).BorderColor = &HFF0000 Grids

End Sub

Private Sub Command2_Click() End

End Sub

Private Sub Command3_Click()

If MSComm1.PortOpen = True Then MSComm1.PortOpen = False Timer5.Enabled = False

Timer4.Enabled = False Trace.Enabled = True Command7.Enabled = True Close #1

End Sub

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y10 = y1

Sampling_Time = Sampling_Time + 1

Private Sub Timer5_Timer() Dat = MSComm1.Input

If Dat <> "" Then

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Command7.Enabled = False Read.Enabled = False

Line2(5).BorderColor = &HFF0000 Line2(4).BorderColor = &HFF0000 Line2(2).BorderColor = &HFF& MSComm1.PortOpen = True

x = 0

Timer5.Enabled = True Grids

Open "C:\Data\" + Text5 + ".DAT" For Output As #1 End Sub

Private Sub Form_Load() With MSComm1

If .PortOpen = True Then .PortOpen = False

Private Sub Timer1_Timer() Text1 = Time

End Sub

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Picture1.Line (Q, 0)-(Q, 10000), QBColor(3) Q = Q + R

Next GRID

Picture1.Line (0, 7952)-(15000, 7952), QBColor(9) End Sub

Private Sub Timer3_Timer() Grids

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Lampiran 3

Gambar Komponen

1. Sensor Termokopel tipe K

2. Modul RS485

3. Kabel Penghubung

4. Adaptor

5. Rangkaian

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Lampiran 4

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