#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2); // I2C address 0x27, 16 column and 2 rows

int potenciometer;
int hodnota;

void setup() {
  Serial.begin(115200);
  lcd.init();
  lcd.backlight();
}

void loop() 
{
  lcd.clear();
  potenciometer = analogRead(34);
  Serial.println(potenciometer);

  float percenta = map(potenciometer,0,4095,0,100); 
  lcd.print(String(percenta) + "%");
  delay(100);
  
}