Blinking Hello rev_13

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    - Project: Blinking Hello
    - Source Code NOT compiled for: Arduino Uno
    - Source Code created on: 2025-10-06 23:19:20

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


/* START CODE */

/****** DEFINITION OF LIBRARIES *****/
#include <Arduino.h>

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

/***** LED example configuration *****/
const uint8_t LED_PIN = 13; // Built-in LED on UNO
unsigned long previousMillis = 0;
const unsigned long interval = 500; // Blink interval in milliseconds
bool ledState = false;
unsigned long lastMessageMillis = 0;

void setup(void)
{
    // put your setup code here, to run once:
    pinMode(LED_PIN, OUTPUT);
    digitalWrite(LED_PIN, LOW);
    // Initialize Serial for hello message
    Serial.begin(9600);
    Serial.println("Hello!");
    // LED example initialisation complete
}


void loop(void)
{
    // put your main code here, to run repeatedly:
    unsigned long currentMillis = millis();

    // Say "ciao" periodically
    if (currentMillis - lastMessageMillis >= 1000)
    {
        lastMessageMillis = currentMillis;
        Serial.println("ciao");
    }

    if (currentMillis - previousMillis >= interval)
    {
        previousMillis = currentMillis;
        ledState = !ledState;
        digitalWrite(LED_PIN, ledState ? HIGH : LOW);
    }
}

/* END CODE */