#include <LiquidCrystal.h>
  int tempPin = 0;
  //                BS  E  D4 D5  D6 D7
  LiquidCrystal lcd(7, 8, 9, 10, 11, 12);
  void setup()
  {
    lcd.begin(16, 2);
  }
  void loop()
  {
    int tempReading = analogRead(tempPin);
    // This is OK
    double tempK = log(10000.0 * ((1024.0 / tempReading - 1)));
    tempK = 1 / (0.001129148 + (0.000234125 + (0.0000000876741 * tempK * tempK )) * tempK );       //  Temp Kelvin
    float tempC = tempK - 273.15;            // Convert Kelvin to Celcius
    float tempF = (tempC * 9.0)/ 5.0 + 32.0; // Convert Celcius to Fahrenheit
    /*  replaced
      float tempVolts = tempReading * 5.0 / 1024.0;
      float tempC = (tempVolts - 0.5) * 10.0;
      float tempF = tempC * 9.0 / 5.0 + 32.0;
    */
    // Display Temperature in C
    lcd.setCursor(0, 0);
    lcd.print("Temp         C  ");
    // Display Temperature in F
    //lcd.print("Temp         F  ");
    lcd.setCursor(6, 0);
    // Display Temperature in C
    lcd.print(tempC);
    // Display Temperature in F
    //lcd.print(tempF);
    delay(500);
  }