#include "LiquidCrystal_I2C_Hangul.h"
// I2C库 使用方法见 https://www.bilibili.com/video/BV1RM4y1a7J5?t=461.2&p=16

//创建 LiquidCrystal_I2C_Hangul 对象，变量名为lcd
LiquidCrystal_I2C_Hangul lcd(0x27, 16, 2);

void setup() {
  lcd.init();   //初始化
  lcd.backlight();  //打开背光
  lcd.print("Hello World");   //打印字符
  Serial.begin(115200);   //初始化串口通信
}

void loop() {
  if(Serial.available()) {
    delay(100);
    lcd.clear();  //清除屏幕
    while(Serial.available()) {
      lcd.write(Serial.read());
    }
  }
  delay(16);
}