#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

const float MyReferenceVoltage = 1.1;
float TheVoltageValue = 0.0, Slope = 0.00625, Displacement = 0.424;
int ADCReads[6] = {100, 278, 400, 500, 880, 710} ;
int TheCelsiusValue = 0;


float VoltageFormula(float Value)
{
  return  Value * MyReferenceVoltage / (pow(2, 10) - 1 );
}

int X_axisFormula(float Value)
{
  return (Value - Displacement) / Slope ;
}

void setup() {

  lcd.begin(16, 2);

}

void loop()
{
  for (int i = 0; i < 6; i++)
  {
    TheVoltageValue = VoltageFormula(ADCReads[i]);

    TheCelsiusValue = round(X_axisFormula(TheVoltageValue));

    lcd.setCursor(0, 0);
    lcd.print("ADC=");
    lcd.print(ADCReads[i]);

    lcd.print("  V=");
    lcd.print(TheVoltageValue, 3);


    lcd.setCursor(0, 1);
    lcd.print((char)223);
    lcd.print("C=");
    lcd.print(TheCelsiusValue);

    delay(2000);
    lcd.clear();

  }

}