#include <LiquidCrystal_I2C.h>

const float BETA = 3950; // should match the Beta Coefficient of the thermistor

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  lcd.init();
  lcd.backlight();
}

void loop() {
  int analogValue = analogRead(A3);
  float celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
  lcd.setCursor(0, 0);
  lcd.print("Temp: ");
  lcd.setCursor(6, 0);
  lcd.print(celsius);
  delay(1000);
}