LiquidCrystal_I2C.h does not name a type

xingtao

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

LiquidCrystal_I2C lcd(0x27,16,2) // set the LCD address to 0x27 for a 16 chars and 2 line display

void setup()
{
  lcd.init();                      // initialize the lcd

  // Print a message to the LCD.
  lcd.backlight();
  lcd.print("Hello, world!");
}

void loop()
{
}
运行之后就出现LiquidCrystal_I2C.h does not name a type，请各位看看啊，怎么回事？

Paderboy

你得先安装好库文件，否则就会出现这样的错误。