#include <LiquidCrystal_I2C.h>

#define LCD_ADDR 0x27
#define LCD_COLUMNS 16
#define LCD_ROWS 2

LiquidCrystal_I2C lcd(LCD_ADDR, LCD_COLUMNS, LCD_ROWS);

void setup() {
  // put your setup code here, to run once:
  lcd.begin(16,2);
  lcd.init();
  lcd.backlight();

  lcd.setCursor(2,0);
  lcd.print("Physic Lab");

  lcd.setCursor(0,1);
  lcd.print("How to Code Help");
}

void loop() {
  // put your main code here, to run repeatedly:

}