Remarks

Speaker
Status
Source code	GitHub
NuGet package

Code Example

Speaker speaker;

public override Task Initialize()
{
    Resolver.Log.Info("Initialize...");

    speaker = new Speaker(Device.Pins.D13);

    return Task.CompletedTask;
}

public override async Task Run()
{
    for (int i = 0; i < 5; i++)
    {
        Resolver.Log.Info("Playing A major triad starting at A4");
        await speaker.PlayTone(new Frequency(440, Frequency.UnitType.Hertz), TimeSpan.FromMilliseconds(500)); //A
        await speaker.PlayTone(new Frequency(554.37f, Frequency.UnitType.Hertz), TimeSpan.FromMilliseconds(500)); //C#
        await speaker.PlayTone(new Frequency(659.25f, Frequency.UnitType.Hertz), TimeSpan.FromMilliseconds(500)); //E

        await Task.Delay(2500);
    }
}

Sample project(s) available on GitHub

Wiring Example

Speaker	Meadow Pin
GND	GND
VCC	3.3V
RX	D01

Characteristic	Locus
Inheritance	object PiezoSpeaker > Speaker
Implements	IToneGenerator IDisposable
Inherited Members	PiezoSpeaker.PlayTone(Frequency) PiezoSpeaker.PlayTone(Frequency, TimeSpan) PiezoSpeaker.StopTone() PiezoSpeaker.SetVolume(float) PiezoSpeaker.Dispose() PiezoSpeaker.Dispose(bool) PiezoSpeaker.Volume PiezoSpeaker.Port PiezoSpeaker.IsDisposed object.Equals(object) object.Equals(object, object) object.GetHashCode() object.GetType() object.MemberwiseClone() object.ReferenceEquals(object, object) object.ToString()
Namespace	Meadow.Foundation.Grove.Audio
Assembly	Speaker.dll

Syntax

public class Speaker : PiezoSpeaker, IToneGenerator, IDisposable

Constructors

Speaker(IPin)

Creates a Speaker driver

Declaration

public Speaker(IPin pin)

Parameters

Type	Name	Description
IPin	pin	The pin connected to the buzzer

Remarks

Speaker
Status
Source code	GitHub
NuGet package

Code Example

Speaker speaker;

public override Task Initialize()
{
    Resolver.Log.Info("Initialize...");

    speaker = new Speaker(Device.Pins.D13);

    return Task.CompletedTask;
}

public override async Task Run()
{
    for (int i = 0; i < 5; i++)
    {
        Resolver.Log.Info("Playing A major triad starting at A4");
        await speaker.PlayTone(new Frequency(440, Frequency.UnitType.Hertz), TimeSpan.FromMilliseconds(500)); //A
        await speaker.PlayTone(new Frequency(554.37f, Frequency.UnitType.Hertz), TimeSpan.FromMilliseconds(500)); //C#
        await speaker.PlayTone(new Frequency(659.25f, Frequency.UnitType.Hertz), TimeSpan.FromMilliseconds(500)); //E

        await Task.Delay(2500);
    }
}

Sample project(s) available on GitHub

Wiring Example

Speaker	Meadow Pin
GND	GND
VCC	3.3V
RX	D01

Speaker(IPwmPort)

Creates a Speaker driver

Declaration

public Speaker(IPwmPort port)

Parameters

Type	Name	Description
IPwmPort	port

Remarks

Speaker
Status
Source code	GitHub
NuGet package

Code Example

Speaker speaker;

public override Task Initialize()
{
    Resolver.Log.Info("Initialize...");

    speaker = new Speaker(Device.Pins.D13);

    return Task.CompletedTask;
}

public override async Task Run()
{
    for (int i = 0; i < 5; i++)
    {
        Resolver.Log.Info("Playing A major triad starting at A4");
        await speaker.PlayTone(new Frequency(440, Frequency.UnitType.Hertz), TimeSpan.FromMilliseconds(500)); //A
        await speaker.PlayTone(new Frequency(554.37f, Frequency.UnitType.Hertz), TimeSpan.FromMilliseconds(500)); //C#
        await speaker.PlayTone(new Frequency(659.25f, Frequency.UnitType.Hertz), TimeSpan.FromMilliseconds(500)); //E

        await Task.Delay(2500);
    }
}

Sample project(s) available on GitHub

Wiring Example

Speaker	Meadow Pin
GND	GND
VCC	3.3V
RX	D01