//I2C接口LCD1602的模块资料链接：https://wiki.dfrobot.com.cn/_SKU_DFR0063_IIC_LCD1602_display_module_%E5%85%BC%E5%AE%B9Gadgeteer
//I2C接口LCD1602的模块仿真资料链接：https://docs.wokwi.com/parts/wokwi-lcd1602
//代码用于Firebeetle ESP32开发板时，LCD连接电源到VCC,GND,SDA和SCL，
//3.3V电源供电电压低于5V，不能满足该模块的需要，而VCC是5V电压，可以驱动该LCD模块
#include <Wire.h> //该头文件wokwi仿真时必不可少，否则编译不通过，但Arduino IDE编译时可以不写
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x20,16,2);


// LCD1602 custom characters example
uint8_t heart[8] = {
  0b00000,
  0b01010,
  0b11111,
  0b11111,
  0b11111,
  0b01110,
  0b00100,
  0b00000,
};

void setup() {
  // put your setup code here, to run once:
  lcd.init();
  lcd.backlight();
     lcd.setCursor(0,0);
   lcd.print("Hello");
   lcd.setCursor(6,0);
   lcd.print("Student");
  Serial.begin(9600);
  Serial.println("Enter Your Input Here: ");

  lcd.createChar(3, heart);
  lcd.begin(16, 2);
  lcd.print("  I \x03 Arduino");
}

void loop() { }