#define buzzer 9
#define LED 12
void setup() {
  // put your setup code here, to run once:
pinMode(buzzer,OUTPUT);
pinMode(LED,OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(buzzer,HIGH);
delay(100);
digitalWrite(buzzer,LOW);
delay(500);
digitalWrite(LED,HIGH);
delay(100);
digitalWrite(LED,LOW);
delay(500);
}