Class Htu21d
Provide access to the Htu21d(f) temperature and humidity sensors
Assembly: Htux1d.dll
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public class Htu21d : Htux1dBase, 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> -> Meadow.Foundation.Sensors.Atmospheric.Htux1dBase
Implements:
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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
FirmwareRevision
Firmware revision of the sensor.
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public byte FirmwareRevision { get; }
Methods
Initialize()
Initialize HTU21D
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protected void Initialize()
ReadSensor()
Reads data from the sensor
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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### Heater(bool)
Turn the heater on or off
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public void Heater(bool heaterOn)
Parameters
| Type | Name | Description | 
|---|---|---|
System.Boolean | heaterOn | Heater status, true = turn heater on, false = turn heater off. | 
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.ISamplingSensorMeadow.Hardware.II2cPeripheral