Meadow.Foundation.ICs.ADC.Ads1015

Ads1015
Status
Source code	GitHub
Datasheet(s)	GitHub
NuGet package

Code Example

private Ads1015 adc;

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

    adc = new Ads1015(
        Device.CreateI2cBus(Meadow.Hardware.I2cBusSpeed.FastPlus),
        Ads1x15Base.Addresses.Default,
        Ads1x15Base.MeasureMode.Continuous,
        Ads1x15Base.ChannelSetting.A0SingleEnded,
        Ads1015.SampleRateSetting.Sps3300);

    adc.Gain = Ads1x15Base.FsrGain.TwoThirds;

    var observer = Ads1015.CreateObserver(
        handler: result =>
        {
            Resolver.Log.Info($"Observer: Voltage changed by threshold; new temp: {result.New.Volts:N2}C, old: {result.Old?.Volts:N2}C");
        },
        filter: result =>
        {
            if (result.Old is { } old)
            {
                // TODO: you can check to see if the voltage change is > your desired threshold.
                // here we look to see if it's > 0.5V
                return Math.Abs(result.New.Volts - old.Volts) > 0.5d;
            }
            return false;
        }
        );
    adc.Subscribe(observer);

    adc.Updated += (sender, result) =>
    {
        Resolver.Log.Info($"  Voltage: {result.New.Volts:N2}V");
    };

    await adc.Read();
}

Sample project(s) available on GitHub

Wiring Example

To wire a Ads1015 to your Meadow board, connect the following:

Ads1015	Meadow Pin
GND	GND
VCC	3V3
SCL	D08 (SCL Pin)
SDA	D07 (SDA Pin)