1, module addresses: 0x27 2, power supply voltage: + 5V 3, backlight, power indicator, contrast control potentiometer I2C/TWI LCD1602 Module Introduction2013 latest IIC LCD1602 module, new high-quality 2 lines 16 characters LCD, contrast control knob, backlight selector switch and IIC communication interface. For beginners, the LCD module simplify the circuit in the true sense, you can insert it ...