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Class Veml7700

High Accuracy Ambient Light Sensor

Assembly: Veml7700.dll​
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Declaration
public class Veml7700 : ByteCommsSensorBase<Illuminance>, IObservable<IChangeResult<Illuminance>>, ILightSensor, ISamplingSensor<Illuminance>, ISensor<Illuminance>, ISensor, ISamplingSensor, II2cPeripheral, IDisposable

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

Implements:
System.IObservable<Meadow.IChangeResult<Meadow.Units.Illuminance>>, Meadow.Peripherals.Sensors.Light.ILightSensor, Meadow.Peripherals.Sensors.ISamplingSensor<Meadow.Units.Illuminance>, Meadow.Peripherals.Sensors.ISensor<Meadow.Units.Illuminance>, Meadow.Peripherals.Sensors.ISensor, Meadow.Peripherals.Sensors.ISamplingSensor, Meadow.Hardware.II2cPeripheral, System.IDisposable

Properties​

Illuminance​

Luminosity reading from the TSL2561 sensor.

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Declaration
public Illuminance? Illuminance { get; protected set; }

DataSource​

Sensor types Data source

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Declaration
public Veml7700.SensorTypes DataSource { get; set; }

DefaultI2cAddress​

The default I2C address for the peripheral

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Declaration
public byte DefaultI2cAddress { get; }

Methods​

ReadSensor()​

Reads data from the sensor

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Declaration
protected override Task<Illuminance> ReadSensor()
Returns​

System.Threading.Tasks.Task<Meadow.Units.Illuminance>: The latest sensor reading### SetPower(bool) Set power mode

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Declaration
public void SetPower(bool on)
Parameters​
TypeName
System.Booleanon

Events​

RangeExceededHigh​

Raised when the high range is exceeded

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Declaration
public event EventHandler RangeExceededHigh
Event Type​

System.EventHandler

RangeExceededLow​

Raised when the low range is exceeded

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Declaration
public event EventHandler RangeExceededLow
Event Type​

System.EventHandler

Implements​

  • System.IObservable<Meadow.IChangeResult<Meadow.Units.Illuminance>>
  • Meadow.Peripherals.Sensors.Light.ILightSensor
  • Meadow.Peripherals.Sensors.ISamplingSensor<Meadow.Units.Illuminance>
  • Meadow.Peripherals.Sensors.ISensor<Meadow.Units.Illuminance>
  • Meadow.Peripherals.Sensors.ISensor
  • Meadow.Peripherals.Sensors.ISamplingSensor
  • Meadow.Hardware.II2cPeripheral
  • System.IDisposable