I2C Serial LCD 16x2 Character Display with PCF8574

Specifications for I2C Display:

        Model: PCF8574
        Supply voltage: 2,5 V - 6 V
        Power consumption: 100 µA during data transfer, 10 µA in stand-by
        Logic level: depends on supply voltage 3,3 V or 5 V
        Interface: I2C (TWI), addresses from 0x38 to 0x3F
        Current output in LOW state: 25 mA
        Current output in HIGH state: 300 µA