#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <Ultrasonic.h>

LiquidCrystal_I2C lcd(0x27,16,2);

const int trigPin = 6;
const int echoPin = 7;


void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);

Serial.println("Student: EMMANUEL M. REY");
Serial.println("Year and Section: BSABE-3B");
Serial.println("Student Number: 0221-1617");
Serial.println("------------------------------");
Serial.println("------------------------------");
Serial.println("                              ");

lcd.init();
lcd.backlight();

lcd.setCursor(0,0);
lcd.print("EMMANUEL REY");
lcd.setCursor(0,1);
lcd.print("BSABE-3B");
    delay(3000);
lcd.clear();

lcd.setCursor(3,0);
lcd.print("Distance");
lcd.setCursor(3,1);
lcd.print("Sensing...");
  delay(3000);
lcd.clear();

lcd.setCursor(0,0);
lcd.print("cm: ");

}

void loop() {
  // put your main code here, to run repeatedly:
  for (int i = 0; i < 100; i++)
  {
  
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, LOW);
  float duration = pulseIn(echoPin, HIGH);
  float distance = ((0.034/2) * duration);

  Serial.println("Data Point: ");
  Serial.println(i + 1);
  Serial.println(":");
  Serial.println("Distance: ");
  Serial.println(distance);
  Serial.println("                                ");
  Serial.println("                                ");
  Serial.println("                                ");

  lcd.setCursor(0,0);
  lcd.print("Distance: ");
  lcd.setCursor(10,0);
  lcd.print(distance);
  lcd.setCursor(0,1);
  lcd.print("Unit: cm");
    delay(1500);
  lcd.clear();

  lcd.setCursor(0,0);
  lcd.print("Distance: ");
  lcd.setCursor(10,0);
  lcd.print(distance / 2.54);
  lcd.setCursor(0,1);
  lcd.print("Unit: in");
    delay(1500);
  lcd.clear();

  lcd.setCursor(0,0);
  lcd.print("Distance: ");
  lcd.setCursor(10,0);
  lcd.print(distance / 30.48);
  lcd.setCursor(0,1);
  lcd.print("Unit: ft");
    delay(1500);
  lcd.clear();

  lcd.setCursor(0,0);
  lcd.print("Distance: ");
  lcd.setCursor(10,0);
  lcd.print(distance * 10);
  lcd.setCursor(0,1);
  lcd.print("Unit: mm");
    delay(1500);
  lcd.clear();

  }

  

}