WANGXINQUAN Module 3pcs PCF8574 LCD1602 Adapter I2C/TWI/IIC Serial Interface Module Board LCD Converter Fit for A r -d u i n o

Simple Assembly and More Fun:Great for beginners, houses and schools.Easy Assembly: It comes with several assembled parts, it is very easy to assemble the machine.
Come with 2 IIC interface, which can be connected by D u- P o -n t Line or IIC dedicated cable.
The backlight and contrast is adjusted by potentiometer.
This is another great IIC/I2C/TWI Serial Interface.
Compatible for 1602 LCD.