Toggle Loop rev_04

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    - Project: Toggle Loop
    - Source Code compiled for: Arduino Opta WiFi
    - Source Code created on: 2025-08-03 09:41:18

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* Toggle relay 1 and its associated LED every 3 */
    /* seconds using the connected relay and LED */
    /* components on the Arduino Opta WiFi board. */
/****** END SYSTEM REQUIREMENTS *****/


/********* User code review feedback **********
#### Feedback 1 ####
- put on serial monitor led state
********* User code review feedback **********/

/* START CODE */
/****** DEFINITION OF LIBRARIES *****/

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);

// Define pin numbers for relay and LED
const int relayPin = 2; // Replace with actual relay pin if different
const int ledPin = 3;   // Replace with actual LED pin if different

// Variable to keep track of relay and LED state
bool relayState = false;

void setup(void)
{
    // Initialize relay and LED pins as outputs
    pinMode(relayPin, OUTPUT);
    pinMode(ledPin, OUTPUT);

    // Ensure relay and LED are off at start
    digitalWrite(relayPin, LOW);
    digitalWrite(ledPin, LOW);

    // Initialize serial communication at 9600 baud rate
    Serial.begin(9600);
}

void loop(void)
{
    // Toggle relay and LED states
    relayState = !relayState;
    digitalWrite(relayPin, relayState ? HIGH : LOW);
    digitalWrite(ledPin, relayState ? HIGH : LOW);

    // Output the LED state to serial monitor
    Serial.print("LED State: ");
    Serial.println(relayState ? "ON" : "OFF");

    // Wait for 3 seconds
    delay(3000);
}