... 1, module addresses: 0x27 2, power supply voltage: + 5V 3, backlight, power indicator, contrast control potentiometer I2C/TWI LCD1602 Module ... switch and IIC communication interface. For beginners, the LCD module simplify the circuit in the true sense, you can ... identification and record display of sensor data after programmed by controller(Arduino-Compatible).Specifications1, module addresses: 0x272, ...