Buzzer And IR

Dina Chehab
int buzzer = 11;
int irs = 7; 

void setup()
{
  pinMode(buzzer,OUTPUT);
  pinMode(irs,INPUT);
}

void loop()
{
  if(digitalRead(irs)==LOW)
  {
    digitalWrite(buzzer,HIGH);
  }
  else 
    digitalWrite(buzzer,LOW);
}