#2.2.2.1. 예제

// C++ code

//

void setup()

{

pinMode(LED_BUILTIN, OUTPUT);

}

void loop()

{

digitalWrite(LED_BUILTIN, HIGH);

delay(1000); // Wait for 1000 millisecond(s)

digitalWrite(LED_BUILTIN, LOW);

delay(1000); // Wait for 1000 millisecond(s)

}