This is a basic 16 character by 2 line Alphanumeric display. White text on Blue background. Utilizes the extremely common HD44780 parallel interface chipset . Interface code is freely available. This is a popular 16×2 LCD display. It is based on the HD44870 display controller which makes it is easy to interface this LCD most microcontrollers. Its extreme popularity ensures that no matter which microcontroller platform you are using, you will definitely find ready libraries to use this LCD.
You will need Minimum 6 general I/O pins to interface to this LCD screen. Includes LED backlight. Works in 4bit and 8 bit Mode.It works of 5V and has a Blue Backlight which can be switched on and off as desired. The contrast of the screen can also be controlled by varying the voltage at the contrast control pin(Pin 3).