/*

#include <Arduino.h> // Include the Arduino core library

int main() {
    // Initialize the Arduino environment
    init();

    // Set up the pin mode for the buzzer
    pinMode(13, OUTPUT);
    pinMode(12, OUTPUT);

    // Main program loop
    unsigned long ptime = 0;
    while (1)
    {
        if((millis() - ptime) >= 1000)
        {
        // Generate a tone on pin 13 with a frequency of 1000 Hz for 100 milliseconds
          tone(13, 700, 200);
          ptime = millis();
        }    
    }

    return 0;
}

    void loop()
    {
      digitalWrite(12, HIGH);
      delay(1000);
      digitalWrite(12, LOW);
      delay(1000);
    }

    */

    #include <Arduino.h>

    
/*    
    
    //C Structured codiing 



// Initialize the pins
void setup() {
  pinMode(12, OUTPUT); // LED
  pinMode(13, OUTPUT); // Buzzer
}

int main() {
  init();        // Necessary to initialize the Arduino core
  setup();       // Call setup to configure the pins

  while (1) {
    // Generate a tone on pin 13 with a frequency of 700 Hz for 200 milliseconds
    
    //delay(1000); // Delay to control the tone timing

    // Blink the LED on pin 12

    tone(13, 710, 200);
    digitalWrite(12, LOW);
    delay(1000);
    digitalWrite(12, HIGH);
    delay(1000);
  }

  return 0; // Should never be reached
}

*/

#include <Arduino.h> // Include the Arduino core library

void setup() {
  // Set up the pin modes for the LEDs and the buzzer
  pinMode(12, OUTPUT); // LED
  pinMode(13, OUTPUT); // Buzzer
  
  // Start the serial communication
  Serial.begin(9600);
}

void loop() {
  // Buzzer on pin 13: Generate a tone of 700 Hz for 200 milliseconds every second
  tone(13, 700, 200);
  //delay(1000);  // Wait for a second
  
  // Blink the LED on pin 12
  digitalWrite(12, LOW);
  delay(1000);
  digitalWrite(12, HIGH);
  delay(1000);
}