// Fire Evac System

// Pin layout
#define SPK_PIN 23
#define LED_PIN 22

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  // Setup pins
  pinMode(SPK_PIN, OUTPUT);
  pinMode(LED_PIN, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  for(int times=0; times<3; times++) {
    digitalWrite(LED_PIN, HIGH);
    tone(SPK_PIN, 900, 500);
    digitalWrite(LED_PIN, LOW);
    delay(1000); // this speeds up the simulation
  }
  digitalWrite(LED_PIN, HIGH);
  digitalWrite(LED_PIN, LOW);
  delay(1000);
}