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

LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup() {
  Wire.begin(21, 22);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0,0);
  lcd.print("WOKWI LCD OK");
  lcd.setCursor(0,1);
  lcd.print("Addr: 0x27");
}

void loop() {}