#include<LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);


int led = 13;                
int sensor = 7;                           
int val = 0;                

void setup() {
  pinMode(led, OUTPUT);      
  pinMode(sensor, INPUT);    
  Serial.begin(9600);  
  
  lcd.begin(16, 2); 
}

void loop(){
  
  
  val = digitalRead(sensor);  
  
  
  if (val == HIGH) {
    
    digitalWrite(led, HIGH);   
    delay(100); 
    
    Serial.println("Motion detected!"); 
    lcd.setCursor(0,0);
    lcd.print("detected"); 
   
  }
  
  else {
      digitalWrite(led, LOW); 
      delay(200); 
      Serial.println("Motion stopped!");
    
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("stopped"); 
    delay(100);
      
     
  }
  
  
}