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

LiquidCrystal_I2C lcd(0x27, 16, 2);

int potPin = A0;
int ledPin = 9;
int nilaiPot = 0;
int kecerahan = 0;

void setup() {
  lcd.init();
    lcd.backlight();
      pinMode(ledPin, OUTPUT);
      }

      void loop() {
        nilaiPot = analogRead(potPin);
          kecerahan = map(nilaiPot, 0, 1023, 0, 255); // konversi ke PWM

            analogWrite(ledPin, kecerahan);

              lcd.clear();
                lcd.setCursor(0, 0);
                  lcd.print("Pot: ");
                    lcd.print(nilaiPot);

                      lcd.setCursor(0, 1);
                        lcd.print("LED: ");
                          lcd.print(kecerahan);

                            delay(200);
                            }