I2C Serial Interface Module LCD Adapter Converter Module PCF8574
 

Description

As the pin resources controller is limited, your project may be not able to use normal LCD shield after connected with a certain quantity of sensors or SD card. However, with this I2C interface module, you will be able to realize data display via only 2 wires. If you already has I2C devices in your project, this LCD module actually cost no more resources at all. It is fantastic based project. 

Specification:

I2C Address: 0x27

Supply voltage: 5V

the backlight and contrast is adjusted by potentiometer

Come with 2 IIC interface, which can be connected by Dupont Line or IIC dedicated cable

Compatible for 1602/2004 LCD