Class DhtBase
Base class for th DHT family Temperature and Humidity sensors
Assembly: Dhtxx.dll
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public abstract class DhtBase : ByteCommsSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>, IObservable<IChangeResult<(Temperature? Temperature, RelativeHumidity? Humidity)>>, ISamplingSensor<(Temperature? Temperature, RelativeHumidity? Humidity)>, ISensor<(Temperature? Temperature, RelativeHumidity? Humidity)>, IDisposable, ITemperatureSensor, ISamplingSensor<Temperature>, ISensor<Temperature>, IHumiditySensor, ISamplingSensor<RelativeHumidity>, ISensor<RelativeHumidity>, ISensor, ISamplingSensor
Inheritance: System.Object -> Meadow.Foundation.ObservableBase<UNIT> -> Meadow.Foundation.SamplingSensorBase<UNIT> -> Meadow.Foundation.PollingSensorBase<UNIT> -> Meadow.Foundation.ByteCommsSensorBase<UNIT>
Derived:
Meadow.Foundation.Sensors.Atmospheric.Dht10, Meadow.Foundation.Sensors.Atmospheric.Dht12
Implements:
Expand
System.IObservable<Meadow.IChangeResult<System.ValueTuple<System.Nullable<Meadow.Units.Temperature>,System.Nullable<Meadow.Units.RelativeHumidity>>>>, Meadow.Peripherals.Sensors.ISamplingSensor<System.ValueTuple<System.Nullable<Meadow.Units.Temperature>,System.Nullable<Meadow.Units.RelativeHumidity>>>, Meadow.Peripherals.Sensors.ISensor<System.ValueTuple<System.Nullable<Meadow.Units.Temperature>,System.Nullable<Meadow.Units.RelativeHumidity>>>, System.IDisposable, Meadow.Peripherals.Sensors.ITemperatureSensor, Meadow.Peripherals.Sensors.ISamplingSensor<Meadow.Units.Temperature>, Meadow.Peripherals.Sensors.ISensor<Meadow.Units.Temperature>, Meadow.Peripherals.Sensors.Atmospheric.IHumiditySensor, Meadow.Peripherals.Sensors.ISamplingSensor<Meadow.Units.RelativeHumidity>, Meadow.Peripherals.Sensors.ISensor<Meadow.Units.RelativeHumidity>, Meadow.Peripherals.Sensors.ISensor, Meadow.Peripherals.Sensors.ISamplingSensor
Properties
Temperature
The current temperature
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public Temperature? Temperature { get; }
Humidity
The current relative humidity
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public RelativeHumidity? Humidity { get; }
WasLastReadSuccessful
Was the last sensor read successful, true for success, false for failure
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public bool WasLastReadSuccessful { get; }
Methods
RaiseEventsAndNotify(IChangeResult<(Temperature? Temperature, RelativeHumidity? Humidity)>)
Raise events for subscribers and notify of value changes
View Source
protected override void RaiseEventsAndNotify(IChangeResult<(Temperature? Temperature, RelativeHumidity? Humidity)> changeResult)
Parameters
| Type | Name | Description |
|---|---|---|
Meadow.IChangeResult<System.ValueTuple<System.Nullable<Meadow.Units.Temperature>,System.Nullable<Meadow.Units.RelativeHumidity>>> | changeResult | The updated sensor data |
ReadSensor()
Reads data from the sensor
View Source
protected override Task<(Temperature? Temperature, RelativeHumidity? Humidity)> ReadSensor()
Returns
System.Threading.Tasks.Task<System.ValueTuple<System.Nullable<Meadow.Units.Temperature>,System.Nullable<Meadow.Units.RelativeHumidity>>>: The latest sensor reading
Implements
System.IObservable<Meadow.IChangeResult<System.ValueTuple<System.Nullable<Meadow.Units.Temperature>,System.Nullable<Meadow.Units.RelativeHumidity>>>>Meadow.Peripherals.Sensors.ISamplingSensor<System.ValueTuple<System.Nullable<Meadow.Units.Temperature>,System.Nullable<Meadow.Units.RelativeHumidity>>>Meadow.Peripherals.Sensors.ISensor<System.ValueTuple<System.Nullable<Meadow.Units.Temperature>,System.Nullable<Meadow.Units.RelativeHumidity>>>System.IDisposableMeadow.Peripherals.Sensors.ITemperatureSensorMeadow.Peripherals.Sensors.ISamplingSensor<Meadow.Units.Temperature>Meadow.Peripherals.Sensors.ISensor<Meadow.Units.Temperature>Meadow.Peripherals.Sensors.Atmospheric.IHumiditySensorMeadow.Peripherals.Sensors.ISamplingSensor<Meadow.Units.RelativeHumidity>Meadow.Peripherals.Sensors.ISensor<Meadow.Units.RelativeHumidity>Meadow.Peripherals.Sensors.ISensorMeadow.Peripherals.Sensors.ISamplingSensor