IIC/I2C Serial Interface Adapter Module at Affordable Price in Ainow
5V power supply.
Serial I2C control of LCD display using PCF8574.
Backlight can be enabled or disabled via a jumper on the board.
Contrast control via a potentiometer.
Can have 8 modules on a single I2C bus (change address via solder jumpers)address, allowing.
Size ：41.6 x 19.2 mm.