     data["temperature"] = sensorsData->get("temperature");
     data["pressure"] = sensorsData->get("pressure");
     data["humidity"] = sensorsData->get("humidity");
+    data["ppm"] = sensorsData->get("ppm");
 
   }, PUBLISH_EVERY);
 


void register_receive_hooks(MqttConnector* mqtt)
{

}

void register_publish_hooks(MqttConnector* mqtt)

  root["temperature"] = temperature;
  root["pressure"] = P;
  root["humidity"] = RH;
  root["ppm"] = ppm;
  root.printTo(Serial);
  sensorsData = &root;

