#define PIN_LED1    10
#define PIN_LED2    11
#define PIN_BOTAO   9
bool apertado;

void setup() {
  pinMode(PIN_LED1, OUTPUT);
  pinMode(PIN_LED2, OUTPUT);  
  pinMode(PIN_BOTAO, INPUT_PULLUP);
}

void loop() {
  
  apertado = !digitalRead(PIN_BOTAO);

  if (apertado == true){
    digitalWrite(PIN_LED1, HIGH);
    digitalWrite(PIN_LED2, LOW); 

  }else{
    digitalWrite(PIN_LED1, LOW);
    digitalWrite(PIN_LED2, HIGH);  
  }

}