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

int pot;

void setup() {
  pinMode(33, INPUT);
  pinMode(25, OUTPUT);
  lcd.init();
  lcd.backlight();
}

void loop() {
  pot = analogRead(33);
  int potPersen = map(pot, 0, 4095, 0, 100);
  
  lcd.setCursor(0,0); 
  lcd.print("Pot: ");
  lcd.print(potPersen);
  lcd.print(" %   ");

  if (potPersen > 50) {
    digitalWrite(25, 1);
  }
  else {
    digitalWrite(25, 0);
  }

  delay(1000);
}