#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C  lcd(0x27,20,4);
#define PIN_TRIG  33
#define PIN_ECHO  32


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  lcd.init();
  lcd.backlight();
  lcd.clear();
  pinMode(PIN_TRIG,OUTPUT);
  pinMode(PIN_ECHO,INPUT);

}

void loop() {
  digitalWrite(PIN_TRIG, HIGH);
  delayMicroseconds(10);
  digitalWrite(PIN_TRIG, LOW);

  // Read the result:
  int duration = pulseIn(PIN_ECHO, HIGH);
  Serial.print("Distance in CM: ");
  Serial.println(duration / 58);
  Serial.print("Distance in inches: ");
  Serial.println(duration / 148);
  // put your main code here, to run repeatedly:
  delay(1000); // this speeds up the simulation
  lcd.setCursor(0,0);
  lcd.print("Distance");
  lcd.setCursor(1,1);
  lcd.print("in CM");
  lcd.print(duration/58);
  lcd.setCursor(1,2);
  lcd.print("in inches:");
  lcd.print(duration/148);
  delay(1000);
}