Pada pagi hari ini saya akan menjelaskan mengenai bagaimana cara untuk membuat alat yang biasa digunakan untuk mengecek detak jantung / hear beat dan suhu tubuh manusia. Alat ini sebenarnya bertujuan untuk pasien monitor portabel, jadi si penderita bisa check up dimana saja dan kapan saja dia berada. Alat ini menggunakan 2 buah sensor yaitu sensor suhu DS18B20 dan Pulse sensor. Selain itu juga terdapat interface VB 6 + Database pada komputer guna melihat hasilnya. untuk lebih jelasnya berikut adalah skema dan penjelasannya.
a. Arduino UNO
b. LCD 16x2
c. Sensor Suhu DS18B20
d. Sensor Pulse / Heart Beat Sensor
e. Program Arduino IDE
#include <Wire.h>
#include <OneWire.h>
#include <LiquidCrystal.h>
LiquidCrystal lcd(2, 3, 4, 5, 6, 7);
OneWire ds(10); //output ds18b20 ke pin 10 arduino
int n = 0;
int bpm = 0;
int x = 0;
int suhux = 0;
int bpmx = 0;
void setup() {
lcd.begin(16, 2);
lcd.clear();
lcd.noCursor();
pinMode(13, OUTPUT);
Serial.begin(9600);
lcd.setCursor(0, 0);
lcd.print("WELLCOME");
delay(20000);
lcd.clear();
}
void loop() {
n = n + 1;
int dataadc1 = analogRead(A0);
lcd.setCursor(0, 0);
lcd.print("n = ");
lcd.print(n);
lcd.setCursor(0, 1);
lcd.print("BPM = ");
lcd.print(bpm);
if ((dataadc1 > 512) && (x > 1)) {
digitalWrite(13, HIGH);
x = 0;
bpm = bpm + 1;
}
else if ((dataadc1 < 512) && (x < 1)) {
x = 2;
digitalWrite(13, LOW);
}
delay(200);
if ( n > 300 ) {
lcd.clear();
datatampil();
}
}
void datatampil() {
byte i;
byte present = 0;
byte type_s;
byte data[12];
byte addr[8];
int celsius, fahrenheit;
if ( !ds.search(addr)) {
ds.reset_search();
delay(250);
return;
}
ds.reset();
ds.select(addr);
ds.write(0x44, 1); // start conversion, with parasite power on at the end
delay(1000); // maybe 750ms is enough, maybe not
present = ds.reset();
ds.select(addr);
ds.write(0xBE);
for ( i = 0; i < 9; i++) { // we need 9 bytes
data[i] = ds.read();
}
int16_t raw = (data[1] << 8) | data[0];
if (type_s) {
raw = raw << 3; // 9 bit resolution default
if (data[7] == 0x10) {
// "count remain" gives full 12 bit resolution
raw = (raw & 0xFFF0) + 12 - data[6];
}
} else {
byte cfg = (data[4] & 0x60);
// at lower res, the low bits are undefined, so let's zero them
if (cfg == 0x00) raw = raw & ~7; // 9 bit resolution, 93.75 ms
else if (cfg == 0x20) raw = raw & ~3; // 10 bit res, 187.5 ms
else if (cfg == 0x40) raw = raw & ~1; // 11 bit res, 375 ms
//// default is 12 bit resolution, 750 ms conversion time
}
celsius = (float)raw / 16.0;
lcd.setCursor(0, 0);
lcd.print("Temp= ");
lcd.print(celsius);
lcd.print(" C");
lcd.setCursor(0, 1);
lcd.print("BPM = ");
lcd.print(bpm);
delay(3000);
Serial.println(bpm);
Serial.println(celsius);
n = 0;
bpm = 0;
lcd.clear();
}
f. Program VB 6 + Database MS Access 2007
Download tutorial pembuatannya di link berikut
DOWLOAD
Option Explicit
Dim arrdata()
Dim TotalBaca As Integer
Dim BMI As Single
Dim Keterangan As String
Const MAKSBACA = 10
Dim Conn1 As ADODB.Connection
Dim Cmd1 As ADODB.Command
Dim Param1 As ADODB.Parameter
Dim Rs1 As ADODB.Recordset
Private Sub Adodc1_WillMove(ByVal adReason As ADODB.EventReasonEnum, adStatus As ADODB.EventStatusEnum, ByVal pRecordset As ADODB.Recordset)
End Sub
Private Sub berhenti_Click()
start.Enabled = True
berhenti.Enabled = False
TimerBaca.Enabled = False
End Sub
Private Sub Command1_Click()
Open "C:\Users\yanuar\Desktop\april\bpm\VB Interface SErial ARRAY 3" & "\PRINTOUT.txt" For Output As #1
Print #1, "======================"
Print #1, " HASIL PENGUJIAN "
Print #1, "======================"
Print #1, "Nama = "; tbnama.Text
Print #1, "Umur = "; Text4.Text
Print #1, "Gender = "; gender.Text
Print #1, "Detak Jantung = "; Text2(0).Text
Print #1, "Suhu Tubuh = "; Text2(1).Text
Print #1, "Kategori Detak Jantung = "; lbljantung.Caption
Print #1, "Kategori Suhu Tubuh = "; Label4.Caption
Print #1,
Close #1
End Sub
Private Sub Command2_Click()
Unload Me
End Sub
Private Sub Form_Load()
Dim I As Byte
For I = 1 To 16
ComboCOM.AddItem (I)
Next I
End Sub
Private Sub MSComm2_OnComm()
Dim buffer As String
Dim temp As String
Dim pisah() As String
Dim I As Integer
If MSComm2.CommEvent = comEvReceive Then
buffer = MSComm2.Input
pisah = Split(buffer, Chr$(13))
On Error Resume Next
If buffer <> " " Then
With Text1
.SelStart = Len(.Text)
.SelText = buffer
End With
For I = 0 To 3
If 0 < 4 Then
Text2(I).Text = CStr(pisah(I))
End If
Next I
Else
buffer = " "
End If
End If
End Sub
Private Sub Option1_Click()
gender.Text = "PRIA"
End Sub
Private Sub Option2_Click()
gender.Text = "WANITA"
End Sub
Private Sub start_Click()
Dim u As Integer
Timer1.Enabled = True
Timer2.Enabled = True
On Error GoTo ada_eror
MSComm2.CommPort = ComboCOM.Text
MSComm2.Settings = "9600,N,8,1"
MSComm2.RThreshold = 15
MSComm2.InputLen = 15
MSComm2.InputMode = comInputModeText
MSComm2.PortOpen = True ' buka port
ReDim arrdata(1 To MAKSBACA + 1)
For u = 1 To MAKSBACA
arrdata(u) = 0
Next
TotalBaca = 0
start.Enabled = False
berhenti.Enabled = True
TimerBaca.Enabled = True
ada_eror:
If ComboCOM.ListIndex < 1 Then
MsgBox "COM berada di Nomor : " & Err.Number & vbCrLf & Err.Description, vbCritical + vbOKOnly, "ERROR"
start.Enabled = True
berhenti.Enabled = True
ComboCOM.Text = "Pilih COM"
End If
End Sub
Private Sub Timer1_Timer()
Dim SQl As String
Call dbConnect
SQl = "INSERT INTO tbsimpan VALUES('" & tbnama.Text & "','" & Text4.Text & "','" & gender.Text & "','" & Text2(0).Text & "','" & Text2(1).Text & "','" & lbljantung.Caption & "','" & Label4.Caption & "')"
Dim Rs As Recordset
Set Rs = New ADODB.Recordset
Rs.Open SQl, Conn, adOpenDynamic
End Sub
Private Sub Timer2_Timer()
Dim konversisuhu As Integer
Dim konversijantung As Integer
Dim konvumur As Integer
konversisuhu = Val(Text2(0).Text)
konversijantung = Val(Text2(1).Text)
konvumur = Val(Text4.Text)
Adodc1.Refresh
If konversisuhu >= 36 And konversisuhu <= 37 Then
Label4.Caption = "SUHU NORMAL"
End If
If konversisuhu > 37 Then
Label4.Caption = "SUHU TINGGI"
End If
If konversisuhu < 36 Then
Label4.Caption = "SUHU RENDAH"
End If
If konvumur >= 20 And konvumur <= 29 And konversijantung < 60 And gender.Text = "PRIA" Then
lbljantung.Caption = "Sangat Baik"
End If
If konvumur >= 30 And konvumur <= 39 And konversijantung < 64 And gender.Text = "PRIA" Then
lbljantung.Caption = "Sangat Baik"
End If
If konvumur >= 40 And konvumur <= 49 And konversijantung < 66 And gender.Text = "PRIA" Then
lbljantung.Caption = "Sangat Baik"
End If
If konvumur >= 50 And konversijantung < 68 And gender.Text = "PRIA" Then
lbljantung.Caption = "Sangat Baik"
End If
'===========================================================================================
If konvumur >= 20 And konvumur <= 29 And konversijantung >= 60 And konversijantung <= 69 And gender.Text = "PRIA" Then
lbljantung.Caption = "Baik"
End If
If konvumur >= 30 And konvumur <= 39 And konversijantung >= 65 And konversijantung <= 71 And gender.Text = "PRIA" Then
lbljantung.Caption = "Baik"
End If
If konvumur >= 40 And konvumur <= 49 And konversijantung >= 66 And konversijantung <= 73 And gender.Text = "PRIA" Then
lbljantung.Caption = "Baik"
End If
If konvumur >= 50 And konversijantung >= 68 And konversijantung <= 75 And gender.Text = "PRIA" Then
lbljantung.Caption = "Baik"
End If
'==========================================================================================
If konvumur >= 20 And konvumur <= 29 And konversijantung >= 70 And konversijantung <= 75 And gender.Text = "PRIA" Then
lbljantung.Caption = "Cukup"
End If
If konvumur >= 30 And konvumur <= 39 And konversijantung >= 72 And konversijantung <= 87 And gender.Text = "PRIA" Then
lbljantung.Caption = "Cukup"
End If
If konvumur >= 40 And konvumur <= 49 And konversijantung >= 74 And konversijantung <= 89 And gender.Text = "PRIA" Then
lbljantung.Caption = "Cukup"
End If
If konvumur >= 50 And konversijantung >= 79 And konversijantung <= 91 And gender.Text = "PRIA" Then
lbljantung.Caption = "Cukup"
End If
'===========================================================================================
If konvumur >= 20 And konvumur <= 29 And konversijantung > 75 And gender.Text = "PRIA" Then
lbljantung.Caption = "kurang"
End If
If konvumur >= 30 And konvumur <= 39 And konversijantung > 87 And gender.Text = "PRIA" Then
lbljantung.Caption = "kurang"
End If
If konvumur >= 40 And konvumur <= 49 And konversijantung > 89 And gender.Text = "PRIA" Then
lbljantung.Caption = "kurang"
End If
If konvumur >= 50 And konversijantung > 91 And gender.Text = "PRIA" Then
lbljantung.Caption = "kurang"
End If
If konvumur >= 20 And konvumur <= 29 And konversijantung < 70 And gender.Text = "WANITA" Then
lbljantung.Caption = "Sangat Baik"
End If
If konvumur >= 30 And konvumur <= 39 And konversijantung < 72 And gender.Text = "WANITA" Then
lbljantung.Caption = "Sangat Baik"
End If
If konvumur >= 40 And konvumur <= 49 And konversijantung < 74 And gender.Text = "WANITA" Then
lbljantung.Caption = "Sangat Baik"
End If
If konvumur >= 50 And konversijantung < 76 And gender.Text = "WANITA" Then
lbljantung.Caption = "Sangat Baik"
End If
'===========================================================================================
If konvumur >= 20 And konvumur <= 29 And konversijantung >= 70 And konversijantung <= 77 And gender.Text = "WANITA" Then
lbljantung.Caption = "Baik"
End If
If konvumur >= 30 And konvumur <= 39 And konversijantung >= 72 And konversijantung <= 79 And gender.Text = "WANITA" Then
lbljantung.Caption = "Baik"
End If
If konvumur >= 40 And konvumur <= 49 And konversijantung >= 74 And konversijantung <= 81 And gender.Text = "WANITA" Then
lbljantung.Caption = "Baik"
End If
If konvumur >= 50 And konversijantung >= 76 And konversijantung <= 83 And gender.Text = "WANITA" Then
lbljantung.Caption = "Baik"
End If
'==========================================================================================
If konvumur >= 20 And konvumur <= 29 And konversijantung >= 78 And konversijantung <= 94 And gender.Text = "WANITA" Then
lbljantung.Caption = "Cukup"
End If
If konvumur >= 30 And konvumur <= 39 And konversijantung >= 80 And konversijantung <= 96 And gender.Text = "WANITA" Then
lbljantung.Caption = "Cukup"
End If
If konvumur >= 40 And konvumur <= 49 And konversijantung >= 82 And konversijantung <= 98 And gender.Text = "WANITA" Then
lbljantung.Caption = "Cukup"
End If
If konvumur >= 50 And konversijantung >= 84 And konversijantung <= 100 And gender.Text = "WANITA" Then
lbljantung.Caption = "Cukup"
End If
'===========================================================================================
If konvumur >= 20 And konvumur <= 29 And konversijantung > 94 And gender.Text = "WANITA" Then
lbljantung.Caption = "kurang"
End If
If konvumur >= 30 And konvumur <= 39 And konversijantung > 96 And gender.Text = "WANITA" Then
lbljantung.Caption = "kurang"
End If
If konvumur >= 40 And konvumur <= 49 And konversijantung > 98 And gender.Text = "WANITA" Then
lbljantung.Caption = "kurang"
End If
If konvumur >= 50 And konversijantung > 100 And gender.Text = "WANITA" Then
lbljantung.Caption = "kurang"
End If
End Sub
Private Sub TimerBaca_Timer()
Dim strInput As String
Dim strPotong As String
Dim singleInput As Single
Dim u As Integer
strInput = MSComm2.Input
strPotong = strInput
'Text1.Text = Text1.Text + strPotong + vbCrLf
'singleInput = Val(strPotong)
'Label1.Caption = singleInput
If TotalBaca >= MAKSBACA Then
TimerBaca.Enabled = False
If MSComm2.PortOpen = True Then MSComm2.PortOpen = False
Call berhenti_Click
End If
End Sub
g. Cara Penggunaan Alat
Pertama yaitu hubungkan Arduino ke PC atau laptop sehingga LCD 16x2 nyala dan sensor detak jantung serta sensor suhu tubuh juga nyala. setelah semua sudah ready maka aktifkan software interface VB 6 dan tekan tombol mulai. jika berhasil maka akan tampil data suhu dan detak jantung pada interface vb 6. pengiriman dari Arduino ke PC berjarak satu menit, kemudian record ke database berjarak 1,5 menit .
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