Characteristic	Locus
Inheritance	object ObservableBase<(Temperature? Temperature, RelativeHumidity? Humidity)> SamplingSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)> PollingSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)> ByteCommsSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)> > DhtBase > Dht10 > Dht12
Implements	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>
Inherited Members	ByteCommsSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.BusComms ByteCommsSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.ReadBuffer ByteCommsSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.WriteBuffer ByteCommsSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.Init(int, int) ByteCommsSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.Dispose(bool) ByteCommsSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.Dispose() PollingSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.StartUpdating(TimeSpan?) PollingSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.StopUpdating() SamplingSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.samplingLock SamplingSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.Updated SamplingSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.SamplingTokenSource SamplingSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.Conditions SamplingSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.IsSampling SamplingSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.UpdateInterval SamplingSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.ReadSensor() SamplingSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.RaiseEventsAndNotify(IChangeResult<(Temperature? Temperature, RelativeHumidity? Humidity)>) SamplingSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.Read() ObservableBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.observers ObservableBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.NotifyObservers(IChangeResult<(Temperature? Temperature, RelativeHumidity? Humidity)>) ObservableBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.Subscribe(IObserver<IChangeResult<(Temperature? Temperature, RelativeHumidity? Humidity)>>) ObservableBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.CreateObserver(Action<IChangeResult<(Temperature? Temperature, RelativeHumidity? Humidity)>>, Predicate<IChangeResult<(Temperature? Temperature, RelativeHumidity? Humidity)>>) object.Equals(object) object.Equals(object, object) object.GetHashCode() object.GetType() object.MemberwiseClone() object.ReferenceEquals(object, object) object.ToString()
Namespace	Meadow.Foundation.Sensors.Atmospheric
Assembly	Dhtxx.dll

Syntax

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>

Constructors

DhtBase(II2cBus, byte)

Create a DHT sensor through I2C

Declaration

public DhtBase(II2cBus i2cBus, byte address = 92)

Parameters

Type	Name	Description
II2cBus	i2cBus	The I2C bus connected to the sensor
byte	address	The I2C address

Properties

Humidity

The current relative humidity

Declaration

public RelativeHumidity? Humidity { get; }

Property Value

Type	Description
RelativeHumidity?

Temperature

The current temperature

Declaration

public Temperature? Temperature { get; }

Property Value

Type	Description
Temperature?

WasLastReadSuccessful

Was the last sensor read succesful, true for success, false for failure

Declaration

public bool WasLastReadSuccessful { get; }

Property Value

Type	Description
bool

Methods

RaiseEventsAndNotify(IChangeResult<(Temperature? Temperature, RelativeHumidity? Humidity)>)

Raise events for subcribers and notify of value changes

Declaration

protected override void RaiseEventsAndNotify(IChangeResult<(Temperature? Temperature, RelativeHumidity? Humidity)> changeResult)

Parameters

Type	Name	Description
IChangeResult<(Temperature? Temperature, RelativeHumidity? Humidity)>	changeResult	The updated sensor data

Overrides

SamplingSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.RaiseEventsAndNotify(IChangeResult<(Temperature? Temperature, RelativeHumidity? Humidity)>)

ReadSensor()

Reads data from the sensor

Declaration

protected override Task<(Temperature? Temperature, RelativeHumidity? Humidity)> ReadSensor()

Returns

Type	Description
Task<(Temperature? Temperature, RelativeHumidity? Humidity)>	The latest sensor reading

Overrides

SamplingSensorBase<(Temperature? Temperature, RelativeHumidity? Humidity)>.ReadSensor()

Events

HumidityUpdated

Raised when the humidity value changes

Declaration

public event EventHandler<IChangeResult<RelativeHumidity>> HumidityUpdated

Event Type

Type	Description
EventHandler<IChangeResult<RelativeHumidity>>

TemperatureUpdated

Raised when the temperature value changes

Declaration

public event EventHandler<IChangeResult<Temperature>> TemperatureUpdated

Event Type

Type	Description
EventHandler<IChangeResult<Temperature>>