int pino_in1 = 8, pino_out1 = 12;
int pino_in2 = 2, pino_out2 = 4;



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

  pinMode(pino_out1, OUTPUT);
  pinMode(pino_in1, INPUT);

  pinMode(pino_out2, OUTPUT);
  pinMode(pino_in2, INPUT);

}

void loop() {
  
  digitalWrite(pino_out1,HIGH);
  //Serial.print("Recebido [1]: ");
  //Serial.println(digitalRead(pino_in1));
  delay(1000);

  digitalWrite(pino_out1,LOW);
  //Serial.print("Recebido [1]: ");
  //Serial.println(digitalRead(pino_in1));
  delay(1000);

  digitalWrite(pino_out2,HIGH);
  //Serial.print("Recebido [2]: ");
  //Serial.println(digitalRead(pino_in2));
  delay(1000);

  digitalWrite(pino_out2,LOW);
  //Serial.print("Recebido [2]: ");
  //Serial.println(digitalRead(pino_in2));
  delay(1000);  

}