Tutorial1.ino

URL: https://mirkwood.cs.edinboro.edu/~bennett/class/cmsc4000/spring2026/notes/nano/code/Tutorial1.ino

 
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  digitalWrite(LED_BUILTIN, LOW);
}

void loop() {
  // put your main code here, to run repeatedly:
  static bool firstTime{true};

  if(firstTime ){
      Serial.println("Hello World!");
      Serial.println();
      Serial.println("End of task.");
      firstTime = false;
  }
  
  digitalWrite(LED_BUILTIN, HIGH);
  delay(500);
  digitalWrite(LED_BUILTIN, LOW);
  delay(500);
}