#include <LiquidCrystal_I2C.h>

#define I2C_ADDR1    0x27
#define LCD1_COLUMNS 20
#define LCD1_LINES   2
#define I2C_ADDR2    0x28
#define LCD2_COLUMNS 20
#define LCD2_LINES   2

#define NTCOut A0
const float BETA = 3950;

LiquidCrystal_I2C lcd1(I2C_ADDR1, LCD1_COLUMNS, LCD1_LINES);
LiquidCrystal_I2C lcd2(I2C_ADDR2, LCD2_COLUMNS, LCD2_LINES);

void setup() {
Serial.begin(9600);
pinMode(A0, INPUT);
pinMode(A4, OUTPUT);
pinMode(A5, OUTPUT);


}

void loop() {
  int analogValue = analogRead(NTCOut); 
  float celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15; 
  
  lcd1.init();  
  lcd1.setCursor(0,0);  
  lcd1.print(celsius);  
  
  lcd2.init();
 
  if (celsius < 0) {
  lcd2.setCursor(0,0);
  lcd2.print("Negative"); 
  lcd2.setCursor(0,1);
  lcd2.print("Temperature"); 
    }
  else if (celsius > 0 && celsius < 50) {
  lcd2.setCursor(0,0);
  lcd2.print("Normal"); 
  lcd2.setCursor(0,1);
  lcd2.print("Temperature"); 

    }
  else {
  lcd2.setCursor(0,0);
  lcd2.print("High"); 
  lcd2.setCursor(0,1);
  lcd2.print("Temperature"); 

}

}