private void TimerCallback(object state) { var temp = bme280.ReadTemperature(); var press = bme280.ReadPreasure() / 100; var humidity = bme280.ReadHumidity(); var alt = bme280.ReadAltitude(1013); // 1013hPa = pressure at 0m Debug.WriteLine("Temp:{0:F2}℃ Humidity:{1:F2}% Press:{2:F2}hPa Alt:{3:F0}m", temp, humidity, press, alt); var task = this.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () => { tempValue.Text = temp.ToString("F2") + "℃"; humValue.Text = humidity.ToString("F2") + "%"; pressValue.Text = press.ToString("F2") + "hPa"; }); }