LAMPIRAN 1. Tampilan Alat. Gambar 1. Sistem Sensor didalam Kotak Hitam. Gambar 2. LASER. Universitas Sumatera Utara

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LAMPIRAN 1 Tampilan Alat

Gambar 1. Sistem Sensor didalam Kotak Hitam

Gambar 2. LASER

Universitas Sumatera Utara

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Gambar 3. Tabung Volumetri dan Bola Besi didalam Sampel


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LAMPIRAN 2 Tampilan aplikasi pada Android

Gambar 1. Tampilan awal aplikasi

Gambar 2. Tampilan menu

Gambar 3. Tampilan menu setting

Gambar 4. Tampilan edit jarak sensor


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Gambar 5. Tampilan setelah jarak sensor diatur

Gambar 6. Perhitungan viskositas gliserin

Gambar 7. Perhitungan viskositas Oli Shell Advance

Gambar 8. Perhitungan viskositas Minyak Goreng

LAMPIRAN 3


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1

Program Untuk Modul Arduino #include <Usb.h> #include //jenis paket yang akan dikirim #define perintah 0x1 #define targetTerima 0x2 #define comAtur 0x3 #define tarAtur 0x4 #define koma 0x5 AndroidAccessory acc("ajirdoank", "Vizcouz", "Vizcouz", "1.0", "http://www.brainhover.blogspot.co.vu", "123456789");

//pin analog yang digunakan #define ldr1 2 #define ldr2 0 byte msg[6]; int xAmbang = 10; int yAmbang = 100; int valLdr1; int valAkhirLdr1; int valLdr1Kirim; boolean valLdr1Picu; int valLdr2; int valAkhirLdr2; int valLdr2Kirim; boolean valLdr2Picu;


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float ubah1 = 0; float ubah2 = 0; int waktuMulai = 0; int val; void setup() { reset(); Serial.begin(9600); acc.powerOn(); msg[0] = perintah; msg[1] = targetTerima; } void reset() { valLdr1 = 0; valAkhirLdr1 = 0; valLdr1Kirim = 0; valLdr1Picu = false; valLdr2 = 0; valAkhirLdr2 = 0; valLdr2Kirim = 0; valLdr2Picu = false; waktuMulai = 0; val = 0; kirimData(); } void cekLdr1() { if(valLdr1Picu) { return; }


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//baca nilai ldr1; valLdr1 = analogRead(ldr1); //jika selisih prubahan ldr1 lebih besar dari nilai yAmbang; if(abs(valAkhirLdr1 - valLdr1) >= yAmbang) { //Serial.print("ldr1 = "); //Serial.print(valLdr1); valAkhirLdr1 = valLdr1; } //jika nilai ldr1 yg skrang besar dari nilai awal ldr1; if(valAkhirLdr1 > valLdr1) { //hitung persentase perubahan nilai; ubah1 = ((float)(valAkhirLdr1 - valLdr1) / (float)valLdr1) * 1000; //nah jika nilai presentase perubahan tersebut lebih besar dari nilai xAmbang; if(ubah1 > xAmbang) { //Serial.print(" | ubah1 = "); //Serial.print(ubah1); //mulai picu ldr1 dan mulai waktu timer; valLdr1Picu = true; waktuMulai = millis(); } } //nilai ldr1 yg sekarang dikembalikan dengan nilai ldr1 yg terbaca; valAkhirLdr1 = valLdr1; } void cekLdr2() { if(valLdr2Picu) { return;


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} //baca nilai ldr2; valLdr2 = analogRead(ldr2); //jika selisih prubahan ldr2 lebih besar dari nilai yAmbang; if(abs(valAkhirLdr2 - valLdr2) >= yAmbang) { //Serial.print("

ldr2 = ");

//Serial.print(valLdr2); valAkhirLdr2 = valLdr2; } //cek ldr2 hanya jika ldr1 udah terpicu; if(valLdr1Picu && valAkhirLdr2 > valLdr2) { //hitung persentase perubahan dari ldr2; ubah2 = ((float)(valAkhirLdr2 - valLdr2) / (float)valLdr2) * 2000; //jika nilai ubah2 lebih besar daripada nilai xAmbang; if(ubah2 > xAmbang) { valLdr2Picu = true; //Serial.print(" | ubah2 = "); //Serial.print(ubah2); //Serial.print(" | "); //Serial.print("waktu = "); val = millis() - waktuMulai; kirimData(); //Serial.print(val); } } valAkhirLdr2 = valLdr2; } void kirimData(){ if (acc.isConnected()){ msg[0] = perintah; msg[1] = targetTerima;


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msg[2] = (byte) (val >> 24); msg[3] = (byte) (val >> 16); msg[4] = (byte) (val >> 8); msg[5] = (byte) (val); acc.write(msg, 6); delay(2); } } void atur(){ if (acc.isConnected()){ int len = acc.read(msg, sizeof(msg), 1); if(len > 0){ if(msg[0] == comAtur){ if(msg[1] == tarAtur){ byte titik = msg[2]; if(titik == koma){ reset(); } } } } } delay(2); } void loop() { if(acc.isConnected()); cekLdr1(); cekLdr2(); atur(); delay(1); }

2 2.1

Program Untuk Aplikasi Android Untuk Tampilan Aplikasi dan menu pilihan


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2.1.1 main.xml <Button android:id="@+id/button1" style="@style/btnStyleShakespeare"


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android:width="150dp" android:height="20dp" android:layout_column="6" android:layout_gravity="center_horizontal|bottom" android:layout_marginBottom="15dp" android:layout_row="0" android:text="@string/rstButton" android:textSize="7pt" /> <Space android:layout_column="3" android:layout_gravity="fill_vertical" android:layout_row="3" />

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android:id="@+id/UnitTime" android:layout_column="2" android:layout_gravity="center_horizontal|right" android:layout_marginRight="20dp" android:layout_row="1" android:text="@string/timeU" android:textSize="8pt" />

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android:layout_column="2" android:layout_gravity="center_horizontal|left" android:layout_marginLeft="20dp" android:layout_row="1" android:text="@string/jarakPisah" android:textAppearance="?android:attr/textAppearanceMedium" android:textColorHint="@color/black" android:textSize="8pt" /> <Space android:layout_column="3" android:layout_gravity="fill_vertical" android:layout_row="3" />

2.1.2 veloz.xml


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<menu xmlns:android="http://schemas.android.com/apk/res/android" >

2.2

Untuk Java Source Code

2.2.1

Ajirdoank/src/Veloz.java

package com.ajirdoank.velozity; //script untuk menerima dan mengirimkan byte ke Arduino //ditulis oleh achmad muhajir //@ajirdoank import java.io.IOException; import java.io.FileDescriptor; import java.io.FileInputStream; import java.io.FileOutputStream; import java.text.DecimalFormat; import com.ajirdoank.velozity.Prefs; import android.os.Bundle; import android.os.ParcelFileDescriptor; import android.preference.PreferenceManager; import android.app.Activity;


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import android.app.PendingIntent; import android.content.BroadcastReceiver; import android.content.Intent; import android.content.IntentFilter; import android.content.Context; import android.content.SharedPreferences; import android.util.Log; import android.widget.Button; import android.widget.TextView; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.View.OnClickListener; import com.android.future.usb.UsbAccessory; import com.android.future.usb.UsbManager;

public class Veloz extends Activity { private static final String tag = Veloz.class.getSimpleName(); private PendingIntent mPermissionIntent; private static final String ACTION_USB_PERMISSION = "com.android.example.USB_PERMISSION"; private boolean mPermissionRequestPending; private UsbManager mUsbManager; private UsbAccessory mAccessory; private ParcelFileDescriptor mFileDescriptor; private FileInputStream mInputStream; private FileOutputStream mOutputStream; private static final byte perintah = 0x1; private static final byte targetTerima = 0x2; private static final byte comAtur = 0x3; private static final byte tarAtur = 0x4; private static final byte koma = 0x5; public TextView SenSD, time, vizcouz;


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public double

waktux, var1, BDy, BMy, LDy, SDy, TDy, GRy,

visc, DB, CF;

@Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mUsbManager = UsbManager.getInstance(this); mPermissionIntent = PendingIntent.getBroadcast(this, 0, new Intent( ACTION_USB_PERMISSION), 0); IntentFilter filter = new IntentFilter(ACTION_USB_PERMISSION); filter.addAction(UsbManager.ACTION_USB_ACCESSORY_DETACHED); registerReceiver(mUsbReceiver, filter); setContentView(R.layout.main); SharedPreferences pengaturan = PreferenceManager.getDefaultSharedPreferences(getBaseContext()); //ini bagian untuk setting variable //bagian di preference yg uda dibuat dan dishare ke mainActivity String BDx = pengaturan.getString("BD", "0"); String BMx = pengaturan.getString("BM", "0"); String LDx = pengaturan.getString("LD", "0"); String SDx = pengaturan.getString("SD", "0"); String TDx = pengaturan.getString("TD", "0"); String GRx = pengaturan.getString("GRV", "0"); //konversi BDy = Double.valueOf(BDx); BMy = Double.valueOf(BMx); LDy = Double.valueOf(LDx); SDy = Double.valueOf(SDx); TDy = Double.valueOf(TDx); GRy = Double.valueOf(GRx); //massa jenis bola atau Density of Ball


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DB = BMy/( (4.0 / 3.0 )*Math.PI*Math.pow(BDy/2.0, 3)); //variable tetap sebelum perhitungan viskositas var1 = ( 2.0 / 9.0 )* GRy * Math.pow(BDy/2.0, 2)*(DB LDy)/SDy; //untuk faktor koreksi CF = 1.0 - (2.104 * (BDy/TDy)) + (2.09 * (Math.pow(BDy/TDy, 3))) - (0.95 * (Math.pow(BDy/TDy, 5))); //pengaturan teks yang muncul pada mainActivity SenSD = (TextView)findViewById(R.id.SensSD); SenSD.setText(String.valueOf(SDy)); vizcouz = (TextView)findViewById(R.id.viscText); time = (TextView)findViewById(R.id.timeVal); Button reset = (Button)findViewById(R.id.button1); reset.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub time.setText("0"); vizcouz.setText("0"); byte[] buffer = new byte[3]; buffer[0] = comAtur; buffer[1] = tarAtur; buffer[2] = koma; try{ mOutputStream.write(buffer); }catch(IOException e){ Log.e(tag, "pesan tidak dikenal", e); } } });

}


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//cek broadcast data streaming yang masuk private final BroadcastReceiver mUsbReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); if (ACTION_USB_PERMISSION.equals(action)) { synchronized (this) { //sinkron dan baca apa usb tersamsubung atau tidak UsbAccessory accessory = UsbManager.getAccessory(intent); if (intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false)) { openAccessory(accessory); } else { Log.d(tag, "sambungan ditolak" + accessory); } mPermissionRequestPending = false; } } else if (UsbManager.ACTION_USB_ACCESSORY_DETACHED.equals(action)) { //jika sambungan Usb dicabut UsbAccessory accessory = UsbManager.getAccessory(intent); if (accessory != null && accessory.equals(mAccessory)) { closeAccessory(); } } } }; //ketika meresume aplikasi @Override public void onResume(){ super.onResume(); if (mInputStream != null && mOutputStream != null) { return; } UsbAccessory[] accessories = mUsbManager.getAccessoryList();


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UsbAccessory accessory = (accessories == null ? null : accessories[0]); if (accessory != null) { if (mUsbManager.hasPermission(accessory)) { openAccessory(accessory); } else { synchronized (mUsbReceiver) { if (!mPermissionRequestPending) { mUsbManager.requestPermission(accessory, mPermissionIntent); mPermissionRequestPending = true; } } } } else { Log.d(tag, "android tak tersambung"); } } //ketika aplikasi dipause @Override public void onPause(){ super.onPause(); closeAccessory(); } //ketika data streaming tidak ada @Override public void onDestroy(){ super.onDestroy(); unregisterReceiver(mUsbReceiver); } //untuk menutup aplikasi private void closeAccessory() { // TODO Auto-generated method stub try{ if(mFileDescriptor != null){ mFileDescriptor.close(); }


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}catch(IOException e){ }finally{ mFileDescriptor = null; mAccessory = null; } } //inisialisasi ketika USB di insert private void openAccessory(UsbAccessory accessory) { // TODO Auto-generated method stub mFileDescriptor = mUsbManager.openAccessory(accessory); if (mFileDescriptor != null){ mAccessory = accessory; FileDescriptor fd = mFileDescriptor.getFileDescriptor(); mInputStream = new FileInputStream(fd); mOutputStream = new FileOutputStream(fd); Thread thread = new Thread(null, jalankan, tag); thread.start(); Log.d(tag, "handphone tersambung"); }else{ Log.d(tag, "sambungan gagal"); } } //proses penerimaan data straming via USB Runnable jalankan = new Runnable() { @Override public void run() { // TODO Auto-generated method stub int ret = 0; final byte buffer[] = new byte[6]; while (ret >= 0){ try{ ret = mInputStream.read(buffer); }catch(IOException e){ break; } switch(buffer[0]){


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case perintah: if(buffer[1] == targetTerima){ final int waktu = ((buffer[2] & 0xFF) << 24) +((buffer[3] & 0xFF) << 16) + ((buffer[4] & 0xFF) << 8) + (buffer[5] & 0xFF); if (waktu > 0){ runOnUiThread(new Runnable() { @Override public void run() { //perhitungan viskositas time.setText(String.valueOf(waktu)); waktux = Double.valueOf(waktu); //viskositas akhir double x = var1 * waktux / 1000.0; //hasil akhir dari perhitungan vizcouz.setText(new DecimalFormat("###.####").format(x)); } }); } } break; default: Log.d(tag, "no data found" + buffer[0]); break; } } } }; //script untuk menu option @Override public boolean onCreateOptionsMenu(android.view.Menu menu) { // TODO Auto-generated method stub super.onCreateOptionsMenu(menu); MenuInflater muncul = getMenuInflater(); muncul.inflate(R.menu.veloz, menu); return true;


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} //script ketika item dari menu option dipilih @Override public boolean onOptionsItemSelected(MenuItem item) { // TODO Auto-generated method stub switch(item.getItemId()){ case R.id.aboutMe: Intent a = new Intent("com.ajirdoank.velozity.ABOUT"); startActivity(a); return true; case R.id.setting: Intent s = new Intent("com.ajirdoank.velozity.PREFS"); startActivity(s); return true; case R.id.instruct: Intent i = new Intent("com.ajirdoank.velozity.INSTR"); startActivity(i); return true; case R.id.exit: finish(); } return false; } // the end of this application from @ajirdoank }

2.2.2

Velozity/src/Prefs.java

package com.ajirdoank.velozity; import android.os.Bundle; import android.preference.PreferenceActivity; public class Prefs extends PreferenceActivity{ @Override public void onCreate(Bundle savedInstanceState) {


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// TODO Auto-generated method stub super.onCreate(savedInstanceState); addPreferencesFromResource(R.xml.preferences); } }

2.3

Untuk accessory_filter.xml

<usb-accessory manufacturer="ajirdoank" model="Vizcouz" version="1.0" />

2.4

Untuk preferences.xml

<EditTextPreference android:title="Ball Diameters (m)" android:key="BD" android:inputType="numberDecimal" android:summary="input Ball diameter"> <EditTextPreference android:title="Ball Mass (kg)" android:key="BM" android:inputType="numberDecimal" android:summary="input Ball Mass"> <EditTextPreference android:title="Liquid Density (kg/m3)" android:key="LD"


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android:inputType="numberDecimal" android:summary="input Liquid Density"> <EditTextPreference android:title="Both Sensors Distance (m)" android:key="SD" android:inputType="numberDecimal" android:summary="input what distance both of sensor placed"> <EditTextPreference android:title="Tube Diameters (m)" android:key="TD" android:inputType="numberDecimal" android:summary="input Tube Diameters"> <EditTextPreference android:title="Gravitation (m/s2)" android:key="GRV" android:inputType="numberDecimal" android:summary="input Gravitation value">


LAMPIRAN 1. Tampilan Alat. Gambar 1. Sistem Sensor didalam Kotak Hitam. Gambar 2. LASER. Universitas Sumatera Utara

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