#include <Arduino.h>  // Explicitly include the standard Arduino header file

// Pin definitions
static const int LED = 2;     // LED connected to digital pin 2
static const int BUZZER = 3;  // Buzzer connected to digital pin 3

// Time delays (in milliseconds)
static const unsigned int LED_ON_TIME = 5000U;   // LED stays ON for 5 seconds
static const unsigned int BUZZER_BEEP_DELAY = 300U;  // Buzzer beep duration

void setup(void) 
{
    pinMode(LED, OUTPUT);    // Set LED pin as an output
    pinMode(BUZZER, OUTPUT); // Set Buzzer pin as an output
}

void beepBuzzer(void)
{
    for (int i = 0; i < 3; i++)  // Loop to beep the buzzer 3 times
    {
        digitalWrite(BUZZER, HIGH);  // Turn buzzer ON
        delay(BUZZER_BEEP_DELAY);    // Wait for beep duration
        digitalWrite(BUZZER, LOW);   // Turn buzzer OFF
        delay(BUZZER_BEEP_DELAY);    // Wait before next beep
    }
}

void loop(void) 
{
    digitalWrite(LED, HIGH);  // Turn on LED
    beepBuzzer();             // Call function to beep buzzer 3 times
    delay(LED_ON_TIME);       // Keep LED on for 5 seconds
    
    digitalWrite(LED, LOW);   // Turn off LED
    delay(2000);              // Wait for 2 seconds before repeating
}