public class Controller()
{
    void SendServoData(Arm.Servo servo, int value)
		{
			string data = "S:";
			
			switch (servo)
			{
				case (Arm.Servo.BaseTurn):
					data += "BT:";
					break;
				case (Arm.Servo.BaseArm):
					data += "BA:";
					break;
				case (Arm.Servo.Elbow):
					data += "E:";
					break;
				case (Arm.Servo.Wrist):
					data += "W:";
					break;
				case (Arm.Servo.Hand):
					data += "H:";
					break;
				default:
					Console.WriteLine("Error Sending Data.");
					return;
			}
			
			data += value.ToString();
			
			bot.arm.SendString(data);
		}
}

public class Arm
{
    public static enum Servo
		{
			BaseTurn,
			BaseArm,
			Elbow,
			Wrist,
			Hand
		}
}