void loop() {
  // Construct a Flux query
  // Query will find the worst RSSI for last hour for each connected WiFi network with this device
  String query = "from(bucket: \"Prueba_Enviando_Datos\") \
    |> range(start: -1h) \
    |> filter(fn: (r) => r._measurement == \"button_status\" and r._field == \"stauts\") \
    |> last()";

  // Print composed query
  Serial.print("Querying with: ");
  Serial.println(query);

  // Print ouput header
  Serial.print("==========");
  // Send query to the server and get result
  FluxQueryResult result = client.query(query);

  // Iterate over rows. Even there is just one row, next() must be called at least once.
  while (result.next()) {
    // Get converted value for flux result column 'SSID'
    String ssid = result.getValueByName("SSID").getString();
    Serial.print("SSID '");
    Serial.print(ssid);

    Serial.print("' with RSSI ");
    // Get converted value for flux result column '_value' where there is RSSI value
    long value = result.getValueByName("_value").getLong();
    Serial.print(value);

    // Get converted value for the _time column
    FluxDateTime time = result.getValueByName("_time").getDateTime();

    // Format date-time for printing
    // Format string according to http://www.cplusplus.com/reference/ctime/strftime/
    String timeStr = time.format("%F %T");

    Serial.print(" at ");
    Serial.print(timeStr);

    Serial.println();
  }

  // Check if there was an error
  if(result.getError() != "") {
    Serial.print("Query result error: ");
    Serial.println(result.getError());
  }

  // Close the result
  result.close();

  Serial.println("Wait 10s");
  delay(10000);
}