#include <LiquidCrystal.h>
#include <Wire.h>

LiquidCrystal lcd(12,11,5,4,3,2);
const int ledPin = 10;
const int potentiometerPin = A1;

void setup() {
  pinMode(ledPin, OUTPUT);
  pinMode(potentiometerPin, INPUT);
  lcd.begin(16,2);
  Wire.begin();
}

void loop() {

  int potentiometerValue = analogRead(potentiometerPin);
  int brightness = map(potentiometerValue,0,1023,0,255);
  digitalWrite(ledPin,brightness);
  lcd.setCursor(0,0);
  lcd.print("brightness: ");
  lcd.print(brightness,DEC);
  lcd.print(" ");
  lcd.setCursor(0,1);
  lcd.print("Value: ");
  lcd.print(potentiometerValue,DEC);
  lcd.print(" ");
}