public HumidityDataAccess(int pollingIntervall)
 {
     hardware = new Helper.Hardware();
     hardware.Poll(() => HumiditySensor.Data, Humidity_Changed, pollingIntervall);
 }
 public TemperatureDataAccess(int pollingIntervall)
 {
     hardware = new Helper.Hardware();
     hardware.Poll(() => TemperatureSensor.Data, TemperatureChanged, pollingIntervall);
 }