void setup (){
  pinMode(33,OUTPUT); // definido pino 33 como saída
  pinMode(27, OUTPUT);
  pinMode(26, OUTPUT);
   digitalWrite(26, HIGH);
    digitalWrite(27, HIGH);
     digitalWrite(33, HIGH);
     delay(500);
     digitalWrite(26, LOW);
     digitalWrite(27, LOW);
     digitalWrite(33, LOW);
     delay(500);
     digitalWrite(26, HIGH);
    digitalWrite(27, HIGH);
     digitalWrite(33, HIGH);
     delay(500);
     digitalWrite(26, LOW);
     digitalWrite(27, LOW);
     digitalWrite(33, LOW);
     delay(500);
     digitalWrite(26, HIGH);
    digitalWrite(27, HIGH);
     digitalWrite(33, HIGH);
     delay(500);
     digitalWrite(26, LOW);
     digitalWrite(27, LOW);
     digitalWrite(33, LOW);
     delay(500);
}
void loop (){
  // o bloco abaixo faz o LED piscar a cada 1 segundo
  digitalWrite(26, HIGH);
  delay (1000);
  digitalWrite(26, LOW);
  delay (1000);
  digitalWrite(27, HIGH);
  delay(1000);
  digitalWrite(27, LOW);
  delay(1000);
  digitalWrite(33, HIGH);
  delay (1000);
  digitalWrite(33, LOW);
  delay (1000);
}