#define LED 4 
#define buzzer 5
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(LED, OUTPUT);
  pinMode(buzzer, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(LED, HIGH); // LED ON
  delay(1000); // this speeds up the simulation
  tone(buzzer, 500,1000);
  delay(1000); // this speeds up the simulation
  digitalWrite(LED, LOW); //LED OFF
  delay(1000); // this speeds up the simulation
  tone(buzzer, 100,1000);
  delay(1000); // this speeds up the simulation
}