#define meioS 500

#define am 10
#define az 11
#define verd 12
#define verm 13

int cores[4] = {am, az, verd, verm};

void setup()
{
  Serial.begin(9600);
  for (int l = 0; l < sizeof(cores); l++)
  {
    pinMode(cores[l], OUTPUT);
  }
}

void loop()
{
  for (int l = 0; l < sizeof(cores); l++)
  {
    digitalWrite(cores[l], 1);
  }
  delay(meioS);
  for (int l = 0; l < 5; l++)
  {
    digitalWrite(cores[l], 0);
  }
  delay(meioS);
  Serial.print("ciclo concluido \n");
}


/* Autoral curso Alura
#define tempo 500


#define am 10
#define az 11
#define verd 12
#define verm 13


byte cores[] = {verm, verd, az, am};


void setup()
{
  Serial.begin(9600);


  for (byte led : cores)
  {
    pinMode(led, OUTPUT);
  }
}


void loop()
{
  for (byte led : cores)
  {
    digitalWrite(led, 1);
  }
  delay(tempo);


  for (byte led : cores)
  {
    digitalWrite(led, 0);
  }
  delay(tempo);


  Serial.println(random());
}
*/