#include <LiquidCrystal_I2C.h>
#define NTC A1

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  // put your setup code here, to run once:
  lcd.init();
  lcd.backlight();
  Serial.begin(9600);
  pinMode(NTC, INPUT);
}

float temp;

void loop() {
  // put your main code here, to run repeatedly:
  temp = 1 / (log(1 / (1023. / analogRead(NTC) - 1)) / 3950 + 1.0 / 298.15) - 273.15;
  Serial.println(temp);
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.println(temp);
  delay(1000);
}