#include <LiquidCrystal_I2C.h>

#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   4

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

void setup() {
  // Init
  lcd.init();
  lcd.backlight();


}


void loop() {
   const float BETA = 3950; // should match the Beta Coefficient of the thermistor
int analogValue = analogRead(A3);
float celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
  lcd.setCursor(2,1);
  lcd.print("The temperature : ");
  lcd.setCursor(6,2);
  lcd.print(celsius);
  //delay(1000);
}