int num = 53;
int digone = 0;
int digtwo = 0;
int loopnum = 0;
int fermnum = 0;
int rawtemp = 0;
int temp = 0;
float crtemp = 0;
int tol = 0.5;



void setup() 
{
  // put your setup code here, to run once:
Serial.begin(9600);
pinMode(A0, OUTPUT);
pinMode(A1, OUTPUT);
pinMode(A2, OUTPUT);
pinMode(A3, OUTPUT);
pinMode(A4, OUTPUT);
pinMode(A5, OUTPUT);
pinMode(A6, OUTPUT);
pinMode(3, OUTPUT);
pinMode(4, OUTPUT);
pinMode(A11, INPUT);
pinMode(A15, INPUT);
pinMode(12, OUTPUT);
}


void loop()
 {
  digitalWrite(A0, LOW);
    digitalWrite(A1, LOW);
    digitalWrite(A2, LOW);
    digitalWrite(A3, LOW);
    digitalWrite(A4, LOW);
    digitalWrite(A5, LOW);
    digitalWrite(A6, LOW);
    digitalWrite(2, HIGH);

const float BETA = 3950; 
int analogValue = analogRead(A15);
float ctemp = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
float crtemp = (ctemp * 9.0 / 5.0) + 32.0;
Serial.println(crtemp);


  rawtemp = analogRead(A11);
  temp = map(rawtemp, 0, 1000, 0, 85);
  Serial.println(temp);
  num = temp;
  loopnum = 0;

  

/////////////
// if num is grater then one diggit 9+

if (num >9)
   {
    Serial.print("num = ");
    Serial.println(num);
    digone = num / 10;
    digtwo = num % 10;
    Serial.print("dig one ");
    Serial.println(digone);
    Serial.print("dig two ");
    Serial.println(digtwo);
    
   //////////////////////////////////// 
   ///// if num is two of the same digits
    
    if (digone == digtwo)
  {
      Serial.println("num mach");
      digitalWrite(4, HIGH);
      digitalWrite(3, HIGH);
      num = digone;
    if (num == 0)
  {
    
    digitalWrite(A1, HIGH);
    digitalWrite(A2, HIGH);
    digitalWrite(A3, HIGH);
    digitalWrite(A4, HIGH);
    digitalWrite(A5, HIGH);
    digitalWrite(A6, HIGH);

  }
      if (num == 1)
  {
    digitalWrite(A4, HIGH);
    digitalWrite(A3, HIGH);
    Serial.println("num = 1");
  }
  else if (num == 2)
  {
    digitalWrite(A5, HIGH);
    digitalWrite(A6, HIGH);
    digitalWrite(A2, HIGH);
    digitalWrite(A3, HIGH);
    digitalWrite(A0, HIGH);
    Serial.println("num = 2");
  }
  else if (num == 3)
  {
    Serial.println("num = 3");
    digitalWrite(A2, HIGH);
    digitalWrite(A3, HIGH);
    digitalWrite(A0, HIGH);
    digitalWrite(A4, HIGH);
    digitalWrite(A5, HIGH);

  }
  else if (num == 4)
  {
    Serial.println("num = 4");
    digitalWrite(A4, HIGH);
    digitalWrite(A0, HIGH);
    digitalWrite(A1, HIGH);
    digitalWrite(A3, HIGH);
  }
  else if (num == 5)
  {
    digitalWrite(A0, HIGH);
    digitalWrite(A1, HIGH);
    digitalWrite(A2, HIGH);
    digitalWrite(A4, HIGH);
    digitalWrite(A5, HIGH);
    Serial.println("num = 5");
  }
  else if (num == 6)
  {
    digitalWrite(A0, HIGH);
    digitalWrite(A4, HIGH);
    digitalWrite(A5, HIGH);
    digitalWrite(A6, HIGH);
    digitalWrite(A1, HIGH);
    digitalWrite(A2, HIGH);
    Serial.println("num = 6");


  }
  else if (num == 7)
  {
    digitalWrite(A2, HIGH);
    digitalWrite(A3, HIGH);
    digitalWrite(A4, HIGH);
    Serial.println("num = 7");


  }
   else if (num == 8)
  {
    digitalWrite(A0, HIGH);
    digitalWrite(A1, HIGH);
    digitalWrite(A2, HIGH);
    digitalWrite(A3, HIGH);
    digitalWrite(A4, HIGH);
    digitalWrite(A5, HIGH);
    digitalWrite(A6, HIGH);
    Serial.println("num = 8");


  }
   else if (num == 9)
  {
    digitalWrite(A0, HIGH);
    digitalWrite(A1, HIGH);
    digitalWrite(A2, HIGH);
    digitalWrite(A3, HIGH);
    digitalWrite(A4, HIGH);
    Serial.println("num = 9");


  }
  }
  //////////
  //// if digits arnt the same
 else if (digone != digtwo)
  {
    while (digone != digtwo)
  {
   
    digitalWrite(A0, LOW);
    digitalWrite(A1, LOW);
    digitalWrite(A2, LOW);
    digitalWrite(A3, LOW);
    digitalWrite(A4, LOW);
    digitalWrite(A5, LOW);
    digitalWrite(A6, LOW);
   

    rawtemp = analogRead(A11);
  temp = map(rawtemp, 0, 1000, 0, 85);
  Serial.println(temp);

    num = temp;
    Serial.print("num = ");
    Serial.println(num);
    digone = num / 10;
    digtwo = num % 10;
    Serial.print("dig one ");
    Serial.println(digone);
    Serial.print("dig two ");
    Serial.println(digtwo);
    
    loopnum = loopnum + 1;
    Serial.print("loop num ");
    Serial.println(loopnum);

    if (loopnum % 2 == 0)
    {
      digitalWrite(3, HIGH);
      digitalWrite(4, LOW);
      num = digone;
      Serial.println("even");
    }
    else
    {
      digitalWrite(4, HIGH);
      digitalWrite(3, LOW);
      num = digtwo;
      Serial.println("odd");
    }
    Serial.print("cerint digit dsplay = ");
    Serial.println(num);



    if (num == 0)
  {
    
    digitalWrite(A1, HIGH);
    digitalWrite(A2, HIGH);
    digitalWrite(A3, HIGH);
    digitalWrite(A4, HIGH);
    digitalWrite(A5, HIGH);
    digitalWrite(A6, HIGH);

  }
  else if (num == 1)
  {
    digitalWrite(A4, HIGH);
    digitalWrite(A3, HIGH);
    Serial.println("num = 1");
  }
  else if (num == 2)
  {
    digitalWrite(A5, HIGH);
    digitalWrite(A6, HIGH);
    digitalWrite(A2, HIGH);
    digitalWrite(A3, HIGH);
    digitalWrite(A0, HIGH);
    Serial.println("num = 2");
  }
  else if (num == 3)
  {
    Serial.println("num = 3");
    digitalWrite(A2, HIGH);
    digitalWrite(A3, HIGH);
    digitalWrite(A0, HIGH);
    digitalWrite(A4, HIGH);
    digitalWrite(A5, HIGH);

  }
  else if (num == 4)
  {
    Serial.println("num = 4");
    digitalWrite(A4, HIGH);
    digitalWrite(A0, HIGH);
    digitalWrite(A1, HIGH);
    digitalWrite(A3, HIGH);
  }
  else if (num == 5)
  {
    digitalWrite(A0, HIGH);
    digitalWrite(A1, HIGH);
    digitalWrite(A2, HIGH);
    digitalWrite(A4, HIGH);
    digitalWrite(A5, HIGH);
    Serial.println("num = 5");
  }
  else if (num == 6)
  {
    digitalWrite(A0, HIGH);
    digitalWrite(A4, HIGH);
    digitalWrite(A5, HIGH);
    digitalWrite(A6, HIGH);
    digitalWrite(A1, HIGH);
    digitalWrite(A2, HIGH);
    Serial.println("num = 6");


  }
  else if (num == 7)
  {
    digitalWrite(A2, HIGH);
    digitalWrite(A3, HIGH);
    digitalWrite(A4, HIGH);
    Serial.println("num = 7");


  }
   else if (num == 8)
  {
    digitalWrite(A0, HIGH);
    digitalWrite(A1, HIGH);
    digitalWrite(A2, HIGH);
    digitalWrite(A3, HIGH);
    digitalWrite(A4, HIGH);
    digitalWrite(A5, HIGH);
    digitalWrite(A6, HIGH);
    Serial.println("num = 8");


  }
   else if (num == 9)
  {
    digitalWrite(A0, HIGH);
    digitalWrite(A1, HIGH);
    digitalWrite(A2, HIGH);
    digitalWrite(A3, HIGH);
    digitalWrite(A4, HIGH);
    Serial.println("num = 9");


  }
  else
  {
    Serial.println("idk");
  }

  }
    
  }
    
    


   }
//////////////////////////
/// if number is 9-0 

else if (num <10)
{
  digitalWrite(4, HIGH);
  digitalWrite(3, LOW);
  if (num == 0)
  {
    
    digitalWrite(A1, HIGH);
    digitalWrite(A2, HIGH);
    digitalWrite(A3, HIGH);
    digitalWrite(A4, HIGH);
    digitalWrite(A5, HIGH);
    digitalWrite(A6, HIGH);

  }
  if (num == 1)
  {
    digitalWrite(A4, HIGH);
    digitalWrite(A3, HIGH);
    Serial.println("num = 1");
  }
  else if (num == 2)
  {
    digitalWrite(A5, HIGH);
    digitalWrite(A6, HIGH);
    digitalWrite(A2, HIGH);
    digitalWrite(A3, HIGH);
    digitalWrite(A0, HIGH);
    Serial.println("num = 2");
  }
  else if (num == 3)
  {
    Serial.println("num = 3");
    digitalWrite(A2, HIGH);
    digitalWrite(A3, HIGH);
    digitalWrite(A0, HIGH);
    digitalWrite(A4, HIGH);
    digitalWrite(A5, HIGH);

  }
  else if (num == 4)
  {
    Serial.println("num = 4");
    digitalWrite(A4, HIGH);
    digitalWrite(A0, HIGH);
    digitalWrite(A1, HIGH);
    digitalWrite(A3, HIGH);
  }
  else if (num == 5)
  {
    digitalWrite(A0, HIGH);
    digitalWrite(A1, HIGH);
    digitalWrite(A2, HIGH);
    digitalWrite(A4, HIGH);
    digitalWrite(A5, HIGH);
    Serial.println("num = 5");
  }
  else if (num == 6)
  {
    digitalWrite(A0, HIGH);
    digitalWrite(A4, HIGH);
    digitalWrite(A5, HIGH);
    digitalWrite(A6, HIGH);
    digitalWrite(A1, HIGH);
    digitalWrite(A2, HIGH);
    Serial.println("num = 6");


  }
  else if (num == 7)
  {
    digitalWrite(A2, HIGH);
    digitalWrite(A3, HIGH);
    digitalWrite(A4, HIGH);
    Serial.println("num = 7");


  }
   else if (num == 8)
  {
    digitalWrite(A0, HIGH);
    digitalWrite(A1, HIGH);
    digitalWrite(A2, HIGH);
    digitalWrite(A3, HIGH);
    digitalWrite(A4, HIGH);
    digitalWrite(A5, HIGH);
    digitalWrite(A6, HIGH);
    Serial.println("num = 8");


  }
   else if (num == 9)
  {
    digitalWrite(A0, HIGH);
    digitalWrite(A1, HIGH);
    digitalWrite(A2, HIGH);
    digitalWrite(A3, HIGH);
    digitalWrite(A4, HIGH);
    Serial.println("num = 9");


  }
  else
  {
    Serial.println("idk");
  }
}

/////////////////
else
{
  Serial.println("number invalid");
}


  
  
  
 }