#include<LiquidCrystal.h>
int rs=7,en=6,d4=11,d5=10,d6=9,d7=8;
LiquidCrystal lcd(rs,en,d4,d5,d6,d7);
const int trigPin = 13;
const int echoPin = 12;
long duration;
int distance;
void setup() {
lcd.begin(16,2);
pinMode(trigPin, OUTPUT);
pinMode(echoPin, INPUT);
}
void loop() {
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
duration = pulseIn(echoPin, HIGH);
int distance = duration*0.034/2;
lcd.setCursor(0,0);
lcd.print("Cm");
lcd.setCursor(0,1);
lcd.println(distance);
int INCH = distance*0.393701;
lcd.setCursor(5,0);
lcd.print("inch");
lcd.setCursor(5,1);
lcd.println(INCH);
float FEET = distance*0.328084/12;
lcd.setCursor(11,0);
lcd.print("feet");
lcd.setCursor(11,1);
lcd.println(FEET);
delay(1500);
}