#include <LiquidCrystal_I2C.h>

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


void setup()
{
  pinMode (A0, INPUT); 
  pinMode (3, OUTPUT);

  lcd.init();

  lcd.backlight();

  Serial.begin(9600);
}

void loop()
{
  int a = analogRead(A0); //analog
  int pwm = map (a,0,1023,0,255); //mapping data dari data int a, yang awalnya 0-1023 menjadi 0-255 dan disimpan di int pwm
  analogWrite (3, pwm); //menuliskan data analog/PWM ke pin 3
  int persen = map (a,0,1023,0,100);
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("Analog = ");
  lcd.print(a);

  lcd.setCursor(0,1);
  lcd.print("Persen = ");
  lcd.print(persen);

  Serial.print ("Value Analog = ");
  Serial.println (a);
  Serial.print ("Value PWM = ");
  Serial.println (pwm); 
  delay(250);
}