IIC/I2C Serial Interface Adapter Module

Specifications:

1- 5V power supply.
2- Serial I2C control of LCD display using PCF8574.
3-Backlight can be enabled or disabled via a jumper on the board.
4- Contrast control via a potentiometer.
5- Can have 8 modules on a single I2C bus (change address via solder jumpers)address, allowing.