Wifky!

https://ht-deko.com/arduino/lcd_i2c.html

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

LiquidCrystal_I2C lcd(0x3F, 16, 2); // I2C: 0x3F, 16x2 LCD

void setup() {
lcd.init();
lcd.backlight();
lcd.setCursor(0, 0);
lcd.print("Hello, world!");
lcd.setCursor(0, 1);
lcd.print("Arduino!");
}

void loop() {
}