Meadow.Foundation.Sensors.Environmental.NextPm 1.3.2.1-beta

Meadow.Foundation.Sensors.Environmental.NextPm

TERA Sensor NextPM serial particulate matter sensor

The NextPm library is designed for the Wilderness Labs Meadow .NET IoT platform and is part of Meadow.Foundation

The Meadow.Foundation peripherals library is an open-source repository of drivers and libraries that streamline and simplify adding hardware to your C# .NET Meadow IoT application.

For more information on developing for Meadow, visit developer.wildernesslabs.co, to view all Wilderness Labs open-source projects, including samples, visit github.com/wildernesslabs

Usage

NextPm nextPm;

public override Task Initialize()
{
    var port = Device
        .PlatformOS
        .GetSerialPortName("COM1")
        .CreateSerialPort();

    nextPm = new NextPm(port);

    nextPm.Readings10sUpdated += NextPm_Readings10sUpdated;

    return Task.CompletedTask;
}

private void NextPm_Readings10sUpdated(object sender, IChangeResult<ParticulateReading> e)
{
    Resolver.Log.Info($"Past 10 seconds");
    Resolver.Log.Info($"  {e.New.CountOf1micronParticles.ParticlesPerLiter:0} 1 micron particles per liter");
    Resolver.Log.Info($"  {e.New.CountOf2_5micronParticles.ParticlesPerLiter:0} 2.5 micron particles per liter");
    Resolver.Log.Info($"  {e.New.CountOf10micronParticles.ParticlesPerLiter:0} 10 micron particles per liter");
    Resolver.Log.Info($"  {e.New.EnvironmentalPM_1micron.MicroGramsPerMetersCubed:0} ug/L^3 1 micron particles");
    Resolver.Log.Info($"  {e.New.EnvironmentalPM_2_5micron.MicroGramsPerMetersCubed:0} ug/L^3 1 micron particles");
    Resolver.Log.Info($"  {e.New.EnvironmentalPM_10micron.MicroGramsPerMetersCubed:0} ug/L^3 1 micron particles");
}

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

    var firmware = await nextPm.GetFirmwareVersion();
    Resolver.Log.Info($"Firmware: 0x{firmware:X4}");

    var tempAndHumidity = await nextPm.GetTemperatureAndHumidity();
    Resolver.Log.Info($"Temp: {tempAndHumidity.temperature:0.0}C  Humidity: {tempAndHumidity.humidity}%");

    nextPm.StartUpdating();
}