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

int potPin=A1;
int readVal;

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

void loop() {
  readVal = analogRead(potPin);

  lcd.setCursor(1,0);
  lcd.print(readVal);
  delay(500);
  lcd.clear();
}