#define pir 27
#define led 5
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(pir,INPUT);
  pinMode(led,OUTPUT);

}

void loop() {
  int ir = digitalRead(pir);
  if(ir==HIGH)
  {
    Serial.println("Object detected");
    digitalWrite(led,HIGH);
  }
  if(ir=LOW)
  {
    Serial.println("No Object detected");
    digitalWrite(led,LOW);
  }
}