This is a basic 16-character by 2-line display with I2C interface, black backlight. It utilizes the extremely common KS0066 parallel interface chipset. Interface code is freely available. You will need approximately 11 general I/O pins to interface to this LCD screen. It includes an LED backlight.

 
Features:

1. LCD1602 with I2C—just 4 wires needed
2. Wide viewing angle and high contrast
3. Built-in industry-standard HD44780 equivalent LCD controller
4. 40-channel segment/common driver for dot matrix LCD or equivalent.
5. Connector: 16-pin ZIF SMD connector (CON-IL-402).
6. Commonly used in: copiers, fax machines, laser printers, industrial test equipment, networking equipment such as routers and storage devices
7. LCM type: 16-character
8. Operates with 5V DC
9. Parameters: Displays 16×2 characters