   NW = -1000 ;
   PIR = 0 ;
   dustDensity = -1000 ;
+  HO = '0' ;
 
   OLD_H  = -1000 ;
   OLD_T1 = -1000 ;

    Serial.print(" ===> ");
    Serial.print(PW);
    Serial.print(" ===> ");
    Serial.println(NW);
  }

}

void displaysleepmode(int sleepmode)
{
  if ( sleepmode == HIGH ) {
    lcd.setCursor(16, 2);
    lcd.write(3);
    lcd.setCursor(17, 2);
    lcd.write(3);
  } else {
    lcd.setCursor(16, 2);
    lcd.print(" ");
    lcd.setCursor(17, 2);
    lcd.print(" ");
  }


PubSubClient client(wifiClient, server);

void callback(const MQTT::Publish& pub) {
  if (1) {
    Serial.print(pub.topic());
    Serial.print(" => ");
    Serial.println(pub.payload_string());
