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- Project: Async Blink
- Source Code NOT compiled for: Arduino Uno
- Source Code created on: 2025-10-13 21:05:39
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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
/* blink led every 2 seconds */
/****** END SYSTEM REQUIREMENTS *****/
/* START CODE */
/****** DEFINITION OF LIBRARIES *****/
/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
// Global variables for LED blinking
const int LED_PIN = 13;
const unsigned long BLINK_INTERVAL = 2000; // 2 seconds
unsigned long previousMillis = 0;
bool ledState = LOW; // 0 = OFF, 1 = ON
void setup(void)
{
// put your setup code here, to run once:
pinMode(LED_PIN, OUTPUT);
}
void loop(void)
{
// put your main code here, to run repeatedly:
unsigned long currentMillis = millis();
if (currentMillis - previousMillis >= BLINK_INTERVAL) {
previousMillis = currentMillis;
ledState = !ledState;
digitalWrite(LED_PIN, ledState ? HIGH : LOW);
}
}
/* END CODE */