#include<LiquidCrystal.h>
//rs= Register pin
//en=enable pin
//wr=read and write pin
int rs=12,en=11,d4=5,d5=4,d6=3,d7=2;
LiquidCrystal lcd(rs,en,d4,d5,d6,d7);
void setup(){
  lcd.begin(16,2);
  lcd.print("hello world!");
}
void loop(){
  lcd.setCursor(0,1);
}