Just pull the ATmega168 chip out of the Arduino and it will work fine. 
You'd be 'borrowing' the serial circuitry.
If you require the Arduino to process the information then use SoftwareSerial for the LCD.
Just pull the ATmega168 chip out of the Arduino and it will work fine.
You'd be 'borrowing' the serial circuitry.
If you require the Arduino to process the information then use SoftwareSerial for the LCD.