Temp Sensor Managed Code

using System;
using System.Threading;
using Komodex.NETMF;
using Microsoft.SPOT;
using NetduinoGo;

namespace NetduinoGo_TestProject
{
    public class Program
    {
        private static SevenSegmentDisplay display = new SevenSegmentDisplay();
        private static bool F = true;
        public static void Main()
        {
            Potentiometer sensor = new Potentiometer();
            Button button = new Button();

            button.ButtonReleased += new Button.ButtonEventHandler(button_ButtonReleased);

            display.SetBrightness((float)0.5);
            display.SetApostrophe(true);

            double Tc = 19.5;
            int V0c = 400;
            double Ta = 0;
            double raw = 0;

            double Vdiv = (3.3/1023);

            while(true)
            {
                raw = (sensor.GetValue() / Vdiv) * 10;
                //Vout = Tc*Ta+V0c
                //Tc = Temperature Coefficient
                //Ta = Ambient Temperature
                //V0c = Output at 0C
                Ta = (raw - V0c)/Tc;

                //Debug.Print(raw + " : " + Ta.ToString());
                if(F)
                    UpdateDisplay(ConvertCtoF(Ta));
                else
                    UpdateDisplay(Ta);

                Thread.Sleep(250);
            }
        }

        static void button_ButtonReleased(object sender, bool buttonState)
        {
            F = !F;
        }

        public static double ConvertCtoF(double c)
        {
            return c * 1.8 + 32;
        }

        public static void UpdateDisplay(double value)
        {
            if (value >= 1000)
                throw new ArgumentOutOfRangeException("value");

            string v = value.ToString();//.ToCharArray();

            Digit[] output = new Digit[3];

            if(value < 100)
            {
                output[0] = DivineDigit(v[0].ToString());
                output[1] = (Digit)((byte)DivineDigit(v[1].ToString()) | (byte)Segment.Dp);
                output[2] = DivineDigit(v[3].ToString());
            }

            if(F)
                display.SetValue(output[0], output[1], output[2], (Digit)Letters.F);
            else
                display.SetValue(output[0], output[1], output[2], (Digit)Letters.C);

        }

        public static Digit DivineDigit(string value)
        {
            Digit output;
            if (value == "9")
            {
                output = Digit.D9;
            }
            else if (value == "8")
            {
                output = Digit.D8;
            }
            else if (value == "7")
            {
                output = Digit.D7;
            }
            else if (value == "6")
            {
                output = Digit.D6;
            }
            else if (value == "5")
            {
                output = Digit.D5;
            }
            else if (value == "4")
            {
                output = Digit.D4;
            }
            else if (value == "3")
            {
                output = Digit.D3;
            }
            else if (value == "2")
            {
                output = Digit.D2;
            }
            else if (value == "1")
            {
                output = Digit.D1;
            }
            else
                output = Digit.D0;

            return output;
        }
    }
}