ITEM NAME:1 X LCD Module Display 5V LCD 1602 IIC I2C TWI 1602 Series For - Yellow Green It is another great LCD display. As the pin resources of controller is limited, your project may be not able to use normal LCD shield after connected with a certain quantity of sensors or SD card. However, with this I2C interface LCD module, you will be able to realize data display via only 2 wires. If you already has I2C devices in your project, this LCD module actually cost no more resources at all. It is fantastic for based project. Description: Interface: I2C I2C Address: 0x27 Pin Definition : GND〠VCC〠SDA〠SCL Back light (yellow with Green character color) Supply voltage: 5V Size: Approx. 80x35x10 mm Contrast Adjust : Potentiometer Backlight Adjust : Jumper Material: Plastic Package Includes: 1 x LCD Module Display SKU: DMO0011844251000441.It is another great LCD display. However, with this I2C interface LCD module, you will be able to realize data display via only 2 wires. If you already has I2C devices in your project, this LCD module actually cost no more resources at all.