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Class Sht4x

Represent a SHT4x temperature and humidity sensor (SHT40, SHT41, SHT45, etc.)

Assembly: Sht4x.dll
View Source
public class Sht4x : 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, II2cPeripheral

Inheritance: System.Object -> Meadow.Foundation.ObservableBase<UNIT> -> Meadow.Foundation.SamplingSensorBase<UNIT> -> Meadow.Foundation.PollingSensorBase<UNIT> -> Meadow.Foundation.ByteCommsSensorBase<UNIT>

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, Meadow.Hardware.II2cPeripheral

Properties

ReadPrecision

Precision of sensor reading

View Source
public Sht4x.Precision ReadPrecision { get; protected set; }

Temperature

The current temperature

View Source
public Temperature? Temperature { get; }

Humidity

The current humidity

View Source
public RelativeHumidity? Humidity { get; }

DefaultI2cAddress

The default I2C address for the peripheral

View Source
public byte DefaultI2cAddress { get; }

Methods

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

Raise events for subscribers

View Source
protected override void RaiseEventsAndNotify(IChangeResult<(Temperature? Temperature, RelativeHumidity? Humidity)> changeResult)
Parameters
TypeName
Meadow.IChangeResult<System.ValueTuple<System.Nullable<Meadow.Units.Temperature>,System.Nullable<Meadow.Units.RelativeHumidity>>>changeResult

GetDelayForPrecision(Precision)

Returns the appropriate delay in ms for the set precision

View Source
protected int GetDelayForPrecision(Sht4x.Precision precision)
Returns

System.Int32

Parameters
TypeNameDescription
Meadow.Foundation.Sensors.Atmospheric.Sht4x.PrecisionprecisionPrecision to calculate delay

ReadSensor()

Get a reading from the sensor and set the Temperature and Humidity properties.

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>>>

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.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
  • Meadow.Hardware.II2cPeripheral