//www.elegoo.com
//2016.12.08

#include "SR04.h"
#include <LiquidCrystal_I2C.h>
#include <Wire.h>

LiquidCrystal_I2C lcd(0x27, 16, 2); //stating the address and size of the lcd

#define TRIG_PIN 9
#define ECHO_PIN 10
SR04 sr04 = SR04(ECHO_PIN,TRIG_PIN);

long a;

void setup() {
  lcd.init();  //Initializing the lcd
  lcd.backlight(); //starting the backlight of the lcd

}

void loop() {
   a=sr04.Distance();
   lcd.clear();
   lcd.print("Distance (cm):");
   lcd.setCursor(0,1);
   lcd.print(a);
   delay(500);
  
}