#define orange PA1
#define yellow PA2
#define turquese PA3

void setup()
{
  pinMode(orange, OUTPUT);
  pinMode(yellow, OUTPUT);
  pinMode(turquese, OUTPUT);
}

//Facilita ligar os leds
void leds(bool o, bool y, bool t, int tempo)
{
  digitalWrite(orange, o);
  digitalWrite(yellow, y);
  digitalWrite(turquese, t);
  delay(tempo); // Tempo em mili-segundos
}

int dt = 400;

//Pisca Pisca
void alternar_leds()
{
  leds(0,0,0,1200);
  leds(1,0,0,500);
  leds(0,1,0,800);
  leds(0,0,1,1000);
  leds(1,1,0,dt);
  leds(0,1,1,dt);
  leds(1,0,1,dt);
  leds(1,1,1,1200);
}

void loop()
{
  alternar_leds();
}