void setupBME280() {
  Wire.begin();

  while(!bme.begin()) {
    Serial.println("Could not find BME280 sensor!");
    delay(1000);
  }

  switch(bme.chipModel()) {
     case BME280::ChipModel_BME280:
       Serial.println("Found BME280 sensor! Success.");
       break;
     case BME280::ChipModel_BMP280:
       Serial.println("Found BMP280 sensor! No Humidity available.");
       break;
     default:
       Serial.println("Found UNKNOWN sensor! Error!");
  }
}