   leftServo.attach(LEFT_SERVO_PIN);
   rightServo.attach(RIGHT_SERVO_PIN);
 
-  // pinMode(5, OUTPUT);
+  pinMode(6, INPUT);
 }
 
 void loop() {


Servo leftServo;
Servo rightServo;

Ultrasonic frontUltrasonic(FRONT_US_ECHO, FRONT_US_TRIG, true);


  } else {
    moveBackward();
  }

  if (digitalRead(6)) {
    moveForward();

    if (frontUltrasonic.getDistance() > 3) {
      moveForward();
    } else {
      stopRobot();
      delay(500);
      
      extinguisher.write(180);
      delay(500);
      
      if (!digitalRead(6)) {
        extinguisher.write(90);
      }
    }
  }
  
  delay(100);
}
