 const int ds18_01_pin = 2;
 const int num_ds18 = 3; // Number of DS18B20 Sensors
 
-//const int LED_BUILTIN = 13; 
+//const int LED_BUILTIN = 13;
 int led_value = LOW;
 
 uint8_t sensors_address[num_ds18][8];

  //      Example serial input:
  //           4,1   # Turn fan on
  //          13,0   # Turn led off
  while(Serial.available() > 0){
    int pin_num = Serial.parseInt();
    int pin_status = Serial.parseInt();

    switch(pin_num){
      case fan_pin:
      case LED_BUILTIN:
      digitalWrite(pin_num, pin_status);
      break;
    }

  int x, c = 0;
  for (x = 0; x < num_ds18; x++) {
    if (sensor_bus.search(sensors_address[x]))
      c++;
  }
}

