#include <Arduino.h>
#include <Wire.h> 
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup()
{
	lcd.begin(16,2);

	lcd.backlight();
	lcd.print("Hello, world!");
}

void loop()
{
    int sensor = analogRead(A0);
    int led_val = map(sensor, 0 , 1023 , 0 , 255);
    analogWrite(A1 , led_val);
    float percent = led_val * 100.0 / 255;
    lcd.setCursor(0,0);
    lcd.print("Brightness:" + String(percent) + "%");
    if(led_val == 0 )
    {
      lcd.setCursor(0,1);
      lcd.print("LED STATUS : OFF");
    }
    else
    {
      lcd.setCursor(0,1);
      lcd.print("LED STATUS : ON ");
    }
}