#include <LiquidCrystal_I2C.h>;
LiquidCrystal_I2C lcd(0x27, 16, 2);

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

void setup() {
  // put your setup code here, to run once:
  lcd.init();
  //lcd.begin(16, 2); //тоже работает
}

void loop() {
  // put your main code here, to run repeatedly:
  int analogValue=analogRead(A0);
  float celsius = 1 / (log(1 / (1023. / analogValue - 1)) / BETA + 1.0 / 298.15) - 273.15;
  lcd.home();
  lcd.print("        ");
  delay(50);
  lcd.home();
  lcd.print(celsius);
  lcd.print("     ");
  delay(200);
}