Description
Do you what to add an interface to your project? Use the 16x2 standard alphanumeric LCD display, they are extremely common and is a fast way to have your project show status messages.
An LCD (Liquid Crystal Display) screen is an electronic display module and has a wide range of applications. A 16x2 LCD display is very basic module and is very commonly used in various devices and circuits.
A 16x2 LCD means it can display 16 characters per line and there are 2 such lines. In this LCD each character is displayed in 5x7 pixel matrix. The 16 x 2 intelligent alphanumeric dot matrix display is capable of displaying 224 different characters and symbols. This LCD has two registers, namely, Command and Data.
 
Resources:
Interfacing 16×2 Character LCD Module with Arduino
Interface an I2C LCD with Arduino