// C++ code
//
const int pinButton = 15;

const int red = 5;
const int blue = 19;
const int green = 18;


void setup()
{
  Serial.begin(9600);
  pinMode(pinButton, INPUT_PULLUP);
  pinMode(red, OUTPUT);
  pinMode(blue, OUTPUT);
  pinMode(green, OUTPUT);
  
}

void loop()
{
  
  if( bool sinal = digitalRead(pinButton) == HIGH)
  {
    Serial.println("O respiro esta em perfeito estado de operacao.");
    digitalWrite(green, LOW);
    digitalWrite(red, HIGH);
    digitalWrite(blue, HIGH);

    delay(1000);
  }
  else
  {
    Serial.println("O Respiro esta Saturado. E necessario efetuar a troca");
    digitalWrite(red, LOW);
    digitalWrite(green, HIGH);
    delay(500);
    digitalWrite(red, HIGH);
    delay(500);
  }
}