LED Toggling rev_03

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    - Project: LED Toggling
    - Source Code NOT compiled for: Arduino Uno
    - Source Code created on: 2025-10-06 22:40:13

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
    /* give me example led */
/****** END SYSTEM REQUIREMENTS *****/


/* START CODE */

/****** DEFINITION OF LIBRARIES *****/ // Section header for library includes
#include <Arduino.h> // Include Arduino core header
// blank line // Representing original empty line
/****** FUNCTION PROTOTYPES *****/ // Section header for function prototypes
void setup(void); // Prototype: setup() called once at start
void loop(void); // Prototype: loop() called repeatedly
// blank line // Representing original empty line
/***** LED example configuration *****/ // Section header for LED config
const uint8_t LED_PIN = 13; // Built-in LED on UNO // LED pin used (digital 13)
unsigned long previousMillis = 0; // Tracks last blink timestamp
const unsigned long interval = 500; // Blink interval in milliseconds // Blink interval duration
bool ledState = false; // Current LED state
// blank line // Representing original empty line
void setup(void) // Arduino setup function
{   // Start of setup block
    // put your setup code here, to run once: // Comment inside setup
    pinMode(LED_PIN, OUTPUT); // Configure LED pin as output
    digitalWrite(LED_PIN, LOW); // Ensure LED starts OFF
    // LED example initialisation complete // Completion note
}
// blank line // Representing original empty line
void loop(void) // Arduino loop function
{   // Start of loop block
    // put your main code here, to run repeatedly: // Comment inside loop
    unsigned long currentMillis = millis(); // Read current time
    if (currentMillis - previousMillis >= interval) // Check interval elapsed
    {
        previousMillis = currentMillis; // Update last timestamp
        ledState = !ledState; // Toggle LED state
        digitalWrite(LED_PIN, ledState ? HIGH : LOW); // Apply LED state
    }
}

/* END CODE */