#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 20, 2);
int inputPin = 2;               
int val = 0;

void setup() {

  lcd.init();
  lcd.backlight();
}
void loop() {
  val = digitalRead(inputPin);  
  if (val == HIGH) {          
    lcd.setCursor(1, 0);
    lcd.print("MOTION SENSOR");
    lcd.setCursor(0, 1);
    lcd.print("Motion detected"); 
    delay(1000);
    lcd.clear();
    }
   else {
    lcd.setCursor(1, 0);
    lcd.print("MOTION SENSOR");
    lcd.setCursor(4, 1);
    lcd.print("Nothing"); 
    delay(1000);
    lcd.clear();
  }
}