LCD Display

#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 5, 4, 3, 2); // initialize the library with the numbers of the interface pins

void setup() {

lcd.begin(16, 2); // set up the LCD's number of columns and rows:

lcd.print("hello, world!"); // Print a message to the LCD.

}

void loop() {

lcd.setCursor(0, 1); // set the cursor to column 0, line 1

lcd.print(millis() / 1000); // print the number of seconds since reset:

}

Visit https://www.arduino.cc/en/Reference/LiquidCrystal for liquid crystal libraries and more information.