How to use a 16x2 LCD

1#include <LiquidCrystal.h> // include the LCD library
2
3const int  rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2; // where the LCD Interface pins  are Conneceted to the arduino pins
4LiquidCrystal lcd(rs, en, d4, d5, d6, d7);  // initialize the LCD interface pins needed
5
6void setup() {
7  lcd.begin(16,  2); //Setup the LCD's columns and rows:
8  lcd.print("Hello World !"); //Print  "Hello World" to the 16x2 LCD
9}
10
11void loop() {
12}
13