There are only 20 IO ports in Arduino control boards, if we add some sensors, SD card, relay module and so on, IO port will not be enough. Image when you want to drive the LCD 1602 but without enough IO ports, how terrible? You can save 5 IO ports with this module, and it is compatible with Arduino.
Features
Compatible with Arduino 4 line control module.
You can use the Arduino official Library directly.
With backlights and contrast regulator potentiometers.
Support I2C protocol.
LCD 1602 Dimension: 23 x 41 mm
Charging voltage: 5v
Interfaces
GND: GND
VCC: +5V
SDA: IIC data
SCL: IIC clock
Package list
LCD 1602/ 2004A Display I2C/ IIC Keysets Compatible with Arduino x 1