#include <LiquidCrystal.h>
LiquidCrystal lcd(19, 23, 18, 17, 16, 15 );
void setup()
{
  lcd.begin(16, 2);
  lcd.print("hello world ..");
}
void loop()
{
  lcd.setCursor(3, 1);
  lcd.print("by roshan");
}