// LED is connected to GPIO 2
const int ledPin = 18;

void setup() {
  // put your setup code here, to run once:
  pinMode(ledPin, OUTPUT);
  Serial.begin(115200);
}

void loop() {
  // put your main code here, to run repeatedly:
  // increase the LED brightness
  for(int dutyCycle = 0; dutyCycle < 255; dutyCycle++) {   
    // changing the LED brightness with PWM
    analogWrite(ledPin, dutyCycle);
    delay(3);
  }

  // decrease the LED brightness
  for(int dutyCycle = 255; dutyCycle > 0; dutyCycle--) {
    // changing the LED brightness with PWM
    analogWrite(ledPin, dutyCycle);
    delay(3);
  }

  digitalWrite(14, HIGH);
  Serial.println("Lampu ON");
  delay(1000);
  digitalWrite(14, LOW);
  Serial.println("Lampu OFF");
  delay(1000);
  delay(10); // this speeds up the simulation
}