 #define USING_BME 1
 #define USING_BMP 2
 #define USING_DHT 3
+#define USING_BMP280 4
 
 // display choices
 #define USING_LCD 1

  display.println("mbar");

#endif // BME

#if SENSOR == USING_BMP
  display.setCursor(18, 43);

#if SENSOR == USING_BMP
  Serial.println("Using BMP180 I2C Sensor");
  sensor.begin();
#endif


#if SENSOR == USING_BMP280
  Serial.println("Using BMP280 I2C Sensor");
  if (!sensor.begin(0x76)) {
    Serial.println("Could not find a valid BMP280 sensor, check wiring!");
    while (1);
  }
#endif

#if SENSOR == USING_DHT
