#include <LiquidCrystal.h>
int rs=7;
int en=8;
int d4=9;
int d5=10;
int d6=11;
int d7=12;
LiquidCrystal lcd(rs,en,d4,d5,d6,d7);
int trigpin = 3;
int echopin = 2;
int pingtraveltime;
float pingtravelDIS;
float DistensToTarget;
int butten;

void setup() {
  // put your setup code here, to run once:
  lcd.begin(16,2);
  Serial.begin(9600);
  pinMode(trigpin, OUTPUT);
  pinMode(echopin, INPUT);
  // pinMode(led, OUTPUT);

}

void loop() {
  butten = digitalRead(1);
 if(butten == 0){
  digitalWrite(trigpin, LOW);
  delayMicroseconds(10);
  digitalWrite(trigpin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigpin, LOW);

  pingtraveltime = pulseIn(echopin,HIGH);
  pingtravelDIS=(pingtraveltime*0.0342);
  DistensToTarget=pingtravelDIS/2;

  delay(200);
 // #
  
  Serial.print("the distance of object is =");
  Serial.print(DistensToTarget);
  Serial.print(" cm.  =");
  Serial.print(DistensToTarget/2.54);
  Serial.println(" inch.");
  // put your main code here, to run repeatedly:

  // printing on LCD display 
  lcd.setCursor(0,0);
lcd.print("distance OF OBJ.");
lcd.setCursor(0,1);
lcd.print(DistensToTarget/2.54);
lcd.print("inch ");

delay(1000);
 lcd.clear();
 }

if(butten == 1){
    lcd.setCursor(0,0);
lcd.print("press the bottun");
lcd.setCursor(0,1);
lcd.print("to find distence");
// delay(400);
//  lcd.clear();
 }



}