arduino-unit-12-2

#include "NewPing.h"
#include "Wire.h"
#include "LiquidCrystal_I2C.h"

#define TRIGpin  2
#define ECHOpin  3
#define MaxDistance  200

NewPing m(TRIGpin, ECHOpin, MaxDistance);
LiquidCrystal_I2C lcd(0x27,2,1,0,4,5,6,7,3,POSITIVE);

void setup() {
  lcd.begin(16,2);
  lcd.backlight();
  lcd.setCursor(0,0);
  lcd.print("NKFUST  Maker!!!");
  delay(1000);
}

void loop() {
  delay(100);
  int us = m.ping();
  if (us>0) {
    lcd.setCursor(0,1);
    lcd.print("        ");
    lcd.setCursor(0,1);
    lcd.print(m.convert_cm(us));
    lcd.write("cm");
  }
}