int pirpin =19;
int ledpin=2;
int pirstate= LOW;

void setup(){
  pinMode(pirpin, INPUT);
  pinMode(ledpin, OUTPUT);
  Serial.begin(9600);

}

void loop(){
  pirstate = digitalRead(pirpin);
  if (pirstate == HIGH){
    digitalWrite(ledpin, HIGH);
    Serial.println("MOTION DETECTED");
    delay(500);
  }
  else{
    digitalWrite(ledpin, LOW);
    Serial.println("NO MOTION");
  delay(500);
  }
}