protected override string CalculateOhmValue()
{
string valueString = string.Empty;
Resistor resistor = FindResistor(bandColors[0]);
if (resistor != null)
{
valueString += resistor.SignificantFigure >= 0 ? resistor.SignificantFigure.ToString() : "";
resistor = FindResistor(bandColors[1]);
if (resistor != null)
{
valueString += resistor.SignificantFigure >= 0 ? resistor.SignificantFigure.ToString() : "";
int value = 0;
if (int.TryParse(valueString, out value))
{
resistor = FindResistor(bandColors[2]);
if (resistor != null)
{
value = value * (int)(resistor.MultiplierPower < 999 ? Math.Pow(10, resistor.MultiplierPower) : 0);
resistor = FindResistor(bandColors[3]);
if (resistor != null)
{
return($"{value} {resistor.Tolerance}");
}
}
}
}
}
return(string.Empty);
}
private void CreateResistorTable()
{
Resistor resistor = new Resistor {
MultiplierPower = 999, RingColorName = "None", SignificantFigure = -1, TemperatureCoefficient = 999, Tolerance = "\u00B1" + "20%"
};
resistors.Add(resistor);
resistor = new Resistor {
MultiplierPower = 999, RingColorName = "None", SignificantFigure = -1, TemperatureCoefficient = 999, Tolerance = "\u00B1" + "20%"
};
resistors.Add(resistor);
resistor = new Resistor {
MultiplierPower = -3, RingColorName = "Pink", SignificantFigure = -1, TemperatureCoefficient = 999, Tolerance = ""
};
resistors.Add(resistor);
resistor = new Resistor {
MultiplierPower = -2, RingColorName = "Silver", SignificantFigure = -1, TemperatureCoefficient = 999, Tolerance = "\u00B1" + "10%"
};
resistors.Add(resistor);
resistor = new Resistor {
MultiplierPower = -1, RingColorName = "Gold", SignificantFigure = -1, TemperatureCoefficient = 999, Tolerance = "\u00B1" + "5%"
};
resistors.Add(resistor);
resistor = new Resistor {
MultiplierPower = 0, RingColorName = "Black", SignificantFigure = 0, TemperatureCoefficient = 250, Tolerance = ""
};
resistors.Add(resistor);
resistor = new Resistor {
MultiplierPower = 1, RingColorName = "Brown", SignificantFigure = 1, TemperatureCoefficient = 100, Tolerance = "\u00B1" + "1%"
};
resistors.Add(resistor);
resistor = new Resistor {
MultiplierPower = 2, RingColorName = "Red", SignificantFigure = 2, TemperatureCoefficient = 50, Tolerance = "\u00B1" + "2%"
};
resistors.Add(resistor);
resistor = new Resistor {
MultiplierPower = 3, RingColorName = "Orange", SignificantFigure = 3, TemperatureCoefficient = 15, Tolerance = "\u00B1" + "0.05%"
};
resistors.Add(resistor);
resistor = new Resistor {
MultiplierPower = 4, RingColorName = "Yellow", SignificantFigure = 4, TemperatureCoefficient = 25, Tolerance = "\u00B1" + "0.02%"
};
resistors.Add(resistor);
resistor = new Resistor {
MultiplierPower = 5, RingColorName = "Green", SignificantFigure = 5, TemperatureCoefficient = 20, Tolerance = "\u00B1" + "0.5%"
};
resistors.Add(resistor);
resistor = new Resistor {
MultiplierPower = 6, RingColorName = "Blue", SignificantFigure = 6, TemperatureCoefficient = 10, Tolerance = "\u00B1" + "0.25%"
};
resistors.Add(resistor);
resistor = new Resistor {
MultiplierPower = 7, RingColorName = "Violet", SignificantFigure = 7, TemperatureCoefficient = 5, Tolerance = "\u00B1" + "0.1%"
};
resistors.Add(resistor);
resistor = new Resistor {
MultiplierPower = 8, RingColorName = "Grey", SignificantFigure = 8, TemperatureCoefficient = 1, Tolerance = "\u00B1" + "0.01%"
};
resistors.Add(resistor);
resistor = new Resistor {
MultiplierPower = 9, RingColorName = "White", SignificantFigure = 9, TemperatureCoefficient = 999, Tolerance = ""
};
resistors.Add(resistor);
}