LCD Display Stands for Liquid Crystal Display. It has 16 column and 2 rows, means 16X2 LCD Display can display 16 characters in one line and there are two such lines. It displays each character in the 5×7 pixel matrix. It is a very basic display module and finds application in various devices and circuits. It is most commonly used because of no limitation in displaying symbols, special characters etc and easily programmable.
The LCD display can be interfaced using only 2 wires with help of parallel to serial converter I2C Module