#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16,2);
#define trig 9
#define echo 8

float UltraSonic(void)
{
  long duration;
  float distance;
  digitalWrite(trig,LOW);
  delayMicroseconds(2);
  digitalWrite(trig,HIGH);
  delayMicroseconds(10);
  digitalWrite(trig,LOW);
  duration = pulseIn(echo, HIGH);
  distance = (duration*0.034)/2;
  delay(500);
  return distance;
}
void setup() {
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
  lcd.init();
  lcd.backlight();
  lcd.print("Tape measure");
}

void loop() {
lcd.setCursor(0,1);
lcd.print("distance");
}