#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

void setup() 
{
    Serial.begin(9600);     
    pinMode(13, INPUT);
}

void loop() 
{
      if (digitalRead(13)==HIGH) 
    {
        Serial.println("Motion detected");
        lcd.clear();
        lcd.setCursor(0, 0);
        lcd.print("Motion detected");
    } 
    else 
    {
        Serial.println("NO Motion detected");
        lcd.clear();
        lcd.setCursor(0, 0);
        lcd.print("NO Motion detected");
    }
    delay(500);
  
}