/// <summary>
/// constructor
/// </summary>
private CompassService(IotNode parent) : base("Compass", parent)
{
Heading = DoubleData.CreateZeroData(nameof(Heading));
}
/// <summary>
/// constructor
/// </summary>
private BarometerService(IotNode parent) : base("Barometer", parent)
{
Pressure = DoubleData.CreateZeroData(nameof(Pressure));
}