#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

int pinLED_YELLOW(3);
int pinPOTENTIOMETER(A0);

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

lcd.begin(16,2);
lcd.backlight();
}

void loop() {
digitalWrite(3, HIGH);

int value = analogRead(A0);
int nilaiPercents = map(value, 0, 1023, 0, 100);

lcd.setCursor(1,0);
lcd.print("Persentase");
lcd.setCursor(1,1);
lcd.print("Nilai: ");
lcd.print(nilaiPercents);
lcd.print("%");
}