Meadow.Foundation.ICs.IOExpanders.Sw18AB

Sw18AB
Status
Source code	GitHub
NuGet package

Code Example

private Sw18AB serialWombat;
private IDigitalOutputPort digitalOutputPort;
private IDigitalInputPort digitalInputPort;
public override Task Initialize()
{
    Resolver.Log.Info("Initialize...");

    try
    {
        serialWombat = new Sw18AB(Device.CreateI2cBus());
        digitalOutputPort = serialWombat.CreateDigitalOutputPort(serialWombat.Pins.WP0);
        digitalInputPort = serialWombat.CreateDigitalInputPort(serialWombat.Pins.WP1);
    }
    catch (Exception ex)
    {
        Resolver.Log.Error($"error: {ex.Message}");
    }

    return Task.CompletedTask;
}

public override async Task Run()
{
    Resolver.Log.Info("Running...");

    bool state = false;

    while (true)
    {
        Resolver.Log.Info($"WP0 = {(state ? "high" : "low")}");
        digitalOutputPort.State = state;
        Resolver.Log.Info($"WP1 = {(digitalInputPort.State ? "high" : "low")}");
        state = !state;

        await Task.Delay(1000);
    }
}

Sample project(s) available on GitHub

Wiring Example

To wire a Ds3502 to your Meadow board, connect the following:

Ds3502	Meadow Pin
GND	GND
VCC	3V3
SCL	D08 (SCL Pin)
SDA	D07 (SDA Pin)

Code Example​

Wiring Example​

Code Example

Wiring Example