... addresses: 0x27 2, power supply voltage: + 5V 3, backlight, power indicator, contrast control potentiometer I2C/TWI LCD1602 Module Introduction2013 latest IIC ... ).Specifications1, module addresses: 0x272, power supply voltage: + 5V3, backlight, power indicator, contrast control potentiometer, backlight selector switch4, concise design, connected with ...