An LCD display uses liquid crystal technology to display data. It is commonly used with Arduino by interfacing a 16x2 LCD display. The code initializes a 16x2 LCD display using specific pin connections, sets the cursor position, and prints text to demonstrate printing on the first and second rows.

1. LCD DISPLAY
 A Liquid Crystal Display commonly abbreviated as LCD is
basically a display unit built using Liquid Crystal
technology.
 Used for displaying of data
 Most widely used for arduino interfacing is 16*2 lcd
display

4. PROGRAM CODE :
#include<LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2); // sets the interfacing pins
void setup()
{
lcd.begin(16, 2); // initializes the 16x2 LCD
}
void loop()
{
lcd.setCursor(0,0); //sets the cursor at row 0 column 0
lcd.print("16x2 LCD MODULE"); // prints 16x2 LCD MODULE
lcd.setCursor(0,1); //sets the cursor at row 1 column 0
lcd.print("HELLO WORLD"); // prints HELLO WORLD
}