Class Capacitive

Capacitive Soil Moisture Sensor

Assembly: Capacitive.dll

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public class Capacitive : SamplingSensorBase<double>, IObservable<IChangeResult<double>>, IMoistureSensor, ISamplingSensor<double>, ISensor<double>, ISensor, ISamplingSensor, IDisposable

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

Implements:
System.IObservable<Meadow.IChangeResult<System.Double>>, Meadow.Peripherals.Sensors.Moisture.IMoistureSensor, Meadow.Peripherals.Sensors.ISamplingSensor<System.Double>, Meadow.Peripherals.Sensors.ISensor<System.Double>, Meadow.Peripherals.Sensors.ISensor, Meadow.Peripherals.Sensors.ISamplingSensor, System.IDisposable

Properties

AnalogInputPort

Returns the analog input port

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protected IAnalogInputPort AnalogInputPort { get; }

Moisture

Last value read from the moisture sensor

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public double? Moisture { get; protected set; }

MinimumVoltageCalibration

Voltage value of most dry soil - default is 0 volts

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public Voltage MinimumVoltageCalibration { get; set; }

MaximumVoltageCalibration

Voltage value of most moist soil - default of 3.3V

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public Voltage MaximumVoltageCalibration { get; set; }

IsDisposed

Is the object disposed

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public bool IsDisposed { get; }

Methods

ReadSensor()

Reads data from the sensor

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protected override Task<double> ReadSensor()

Returns

System.Threading.Tasks.Task<System.Double>: The latest sensor reading### StartUpdating(TimeSpan?) Starts continuously sampling the sensor

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public override void StartUpdating(TimeSpan? updateInterval)

Parameters

Type	Name
System.Nullable<System.TimeSpan>	updateInterval

StopUpdating()

Stops sampling the sensor

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public override void StopUpdating()

VoltageToMoisture(Voltage)

Converts voltage to moisture value, ranging from 0 (most dry) to 1 (most wet)

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protected double VoltageToMoisture(Voltage voltage)

Returns

System.Double

Parameters

Type	Name
Meadow.Units.Voltage	voltage

Dispose()

Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.

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public void Dispose()

Dispose(bool)

Dispose of the object

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protected virtual void Dispose(bool disposing)

Parameters

Type	Name	Description
System.Boolean	disposing	Is disposing

Implements

• System.IObservable<Meadow.IChangeResult<System.Double>>
• Meadow.Peripherals.Sensors.Moisture.IMoistureSensor
• Meadow.Peripherals.Sensors.ISamplingSensor<System.Double>
• Meadow.Peripherals.Sensors.ISensor<System.Double>
• Meadow.Peripherals.Sensors.ISensor
• Meadow.Peripherals.Sensors.ISamplingSensor
• System.IDisposable