#define ledMerah 2 //definisi ledMerah di pin 2
#define ledHijau 3 //definisi ledHijau di pin 3
#define btnSpeedUp 6 //definisi btnSpeedUp di pin 6

void setup() {
  Serial.begin(9600); // monitoring log input
  //set btnSpeedUp aktif
  pinMode(btnSpeedUp, INPUT);
  digitalWrite(btnSpeedUp, HIGH);

  //set ledMerah sebagai OUTPUT
  pinMode(ledMerah, OUTPUT);
  //set ledHijau sebagai OUTPUT
  pinMode(ledHijau, OUTPUT);
}

void speedMode (int option) {
  if (option == 1) { //jika opsi == 1 maka mode speedUp
    digitalWrite(ledMerah, HIGH);
    delay(100);
    digitalWrite(ledMerah, LOW);
    delay(100);
    digitalWrite(ledHijau, HIGH);
    delay(100);
    digitalWrite(ledHijau, LOW);
    delay(100);
  } else { 
    digitalWrite(ledMerah, HIGH);
    delay(500);
    digitalWrite(ledMerah, LOW);
    delay(500);
    digitalWrite(ledHijau, HIGH);
    delay(500);
    digitalWrite(ledHijau, LOW);
    delay(500);
  }
}

void loop() {
  int btnSpeedUpPressed = digitalRead(btnSpeedUp);

  if (btnSpeedUpPressed == 0) {
    speedMode (1);
  } else {
    speedMode (0);
  } 
}