Alat Ukur Ketebalan Digital Menggunakan Sensor HC-SR04 Berbasis Arduino Uno R3

LAMPIRAN

Universitas Sumatera Utara

Program Ultrasonic Ruler

#########Breadboard circuit mounting:########
// Bagian Inisialisasi Sambungan Pada Board Sistem
* LCD VSS pin to ground
* LCD VDD pin to +5V
* 2K2Ohm resistor: ends to LCD VO pin and ground
* LCD RS pin to digital pin 9
* LCD R/W pin to ground
* LCD Enable pin to digital pin 8
* LCD D4 pin to digital pin 5
* LCD D5 pin to digital pin 4
* LCD D6 pin to digital pin 3
* LCD D7 pin to digital pin 2
* LCD A pin to +5V
* LCD K pin to ground
* Buzzer + to 220Ohm Resistor leg and - to ground. The other resistor leg goes

to pin 12.
* HC-SCR GND to ground
* HC-SCR Echo to pin 11
* HC-SCR Trig to pin 10
* HC-SCR Vcc to +5V

//Pendefinisian Pin-pin
#define trigPin 10
#define echoPin 11
#define buzPin 12
#define RS 9
#define Enable 8
#define D4 5
#define D5 4
#define D6 3

Universitas Sumatera Utara

#define D7 2

//Memasukkan music buzzer ke library program
//Including the LCD and sound library:
#include
#include "pitches.h"

// Inisialisasi library program
LiquidCrystal lcd(RS, Enable, D4, D5, D6, D7);

//Definisi karakter tertentu pada LCD
uint8_t cc0[8] = {0x00,0x00,0x00,0x00,0x00,0x01,0x03,0x07};
uint8_t cc1[8] = {0x00,0x00,0x00,0x00,0x00,0x10,0x18,0x1C};
uint8_t cc2[8] = {0x07,0x03,0x01,0x00,0x00,0x00,0x00,0x00};
uint8_t cc3[8] = {0x1C,0x18,0x10,0x00,0x00,0x00,0x00,0x00};
uint8_t cc4[8] = {0x00,0x00,0x00,0x10,0x18,0x0C,0x04,0x06};
uint8_t cc5[8] = {0x06,0x04,0x0C,0x18,0x10,0x00,0x00,0x00};
uint8_t cc6[8] = {0x10,0x08,0x0C,0x06,0x02,0x03,0x03,0x03};
uint8_t cc7[8] = {0x03,0x03,0x03,0x02,0x06,0x0C,0x08,0x10};

//Pengaturan suara
int melody0[] = {NOTE_B3, NOTE_B3,NOTE_B3, NOTE_G3, NOTE_B3,0,

NOTE_D4, NOTE_D3};
int melody1[] = {NOTE_C6,NOTE_C6,NOTE_C6,NOTE_C6};
int melody2[] = {NOTE_C6,NOTE_C6,NOTE_C6};
int melody3[] = {NOTE_C6,NOTE_C6};
int melody4[] = {NOTE_C6};

//Add melodies here, and at the end of the "music" array.
int* music[6/*number of melodies + 1*/] = {melody0, melody1, melody2,
melody3, melody4 /*,add here*/};

Universitas Sumatera Utara

////Sound notes durations
int notesMelody0[] = {8,4,4,8,8,8,2,4};
int notesMelody1[] = {8,8,8,8};
int notesMelody2[] = {8,8,8};
int notesMelody3[] = {8,8};
int notesMelody4[] = {4};

//Add durations of the melodies here, and at the end of the "noteDurations" array.

int* noteDurations[6/*number of melodies + 1*/] = {notesMelody0,
notesMelody1, notesMelody2 , notesMelody3 , notesMelody4 /*,add here*/};

////Sound sizes
int sizeMelody0 = sizeof(melody0)/sizeof(int);
int sizeMelody1 = sizeof(melody1)/sizeof(int);
int sizeMelody2 = sizeof(melody2)/sizeof(int);
int sizeMelody3 = sizeof(melody3)/sizeof(int);
int sizeMelody4 = sizeof(melody4)/sizeof(int);
//Add sizes here, and at the end of the "sizes" array.
int sizes[] = {sizeMelody0,sizeMelody1,sizeMelody2,sizeMelody3,sizeMelody4
/*,add here*/};

////Tone Function - Plays the tone
int playSong(int track, float durConst){
for (int thisNote = 0; thisNote < sizes[track]; thisNote++) {
int noteDuration = 1000/noteDurations[track][thisNote];
tone(buzPin, music[track][thisNote],noteDuration);
int pauseBetweenNotes = noteDuration * durConst;
delay(pauseBetweenNotes);

noTone(buzPin);
}
}

Universitas Sumatera Utara

//Program fungsi pengukuran
//Declaring a variable that will count the millis so the blinking is independent of
"delays"
unsigned long millisCounter = 0;
int displaying = 0;

void setup(){
// Set up the LCD's number of columns and rows:
lcd.begin(16, 2);
// Set up the LCD custom chars (8 maximum)
lcd.createChar(0, cc0);
lcd.createChar(1, cc1);
lcd.createChar(2, cc2);
lcd.createChar(3, cc3);

lcd.createChar(4, cc4);
lcd.createChar(5, cc5);
lcd.createChar(6, cc6);
lcd.createChar(7, cc7);
//Initializes HC-SCR04 pins
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
//Musik Intro pada saat alat hidup
playSong(0,1.30);
lcd.clear();
lcd.setCursor(1,0);
lcd.print("Dimas Prambasto");
lcd.setCursor(4,1);
lcd.print("142411015");
delay(2000);//wait for 3 sec

lcd.clear();
lcd.setCursor(0,0);

Universitas Sumatera Utara

lcd.print("Ultrasonic Ruler");
lcd.setCursor(0,1);
lcd.print("----------------");
delay(2000);//wait for 3 sec

}
void loop()
{
unsigned long millisNow = millis();
long duration;
int distance;
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
//Measures the distance
duration = pulseIn(echoPin, HIGH);
distance = (duration/2) / 29.1;

if (distance >= 400 || distance