const int trigPin = 12;
const int echoPin = 13;
String label = "Dis(cm):";
String label22 = "Dis(inch) :";
String label1= " cm ";
String label2= " inch ";
long duration;
int dis_inch;
int distance;
#include <Wire.h> 
#include <LiquidCrystal_I2C.h>
#define RELAY 4

LiquidCrystal_I2C lcd(0x27,16,2);  // set the LCD address to 0x27 for a 16 chars and 2 line display

void setup()
{
  /*lcd.init();                      // initialize the lcd 
  lcd.backlight();
  lcd.setCursor(2,0);
  lcd.print("XSOEIISJ 65!");
  lcd.setCursor(3,1);
  lcd.print("FaZE EiEi!");
   lcd.setCursor(3,2);
  lcd.print("lnw 3 Ta");
   lcd.setCursor(4,3);
  lcd.print("S x E");*/
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
pinMode(4, OUTPUT);
lcd.init(); 
}


void loop()
{
digitalWrite(trigPin, LOW);
delayMicroseconds(5);
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);
distance = duration*0.034/2;
dis_inch =  distance*0.393700787;                     // initialize the lcd 
lcd.backlight();
lcd.setCursor(2,0);
lcd.println(label + distance );
lcd.setCursor(2,1);
lcd.println(label22 + dis_inch );

if(distance > 100)
{
digitalWrite(4, HIGH); // 4High tric NC
}

if(distance < 100) //4LOW tric No
{
digitalWrite(4, LOW);
}

delay(1000);
}