#include<LiquidCrystal_I2C.h>

int potPin = A3;

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  lcd.init();
  lcd.backlight();
  pinMode(potPin, INPUT);
}

void loop() {
  lcd.clear();

  float potValue = analogRead(potPin);

  lcd.setCursor(0, 0);
  lcd.print("Temp: ");
  lcd.print(potValue);

}