I2C LCD Adapter

As the pin resources of the Arduino controller is limited, your project may be not able to use a normal LCD shield after connected with a certain quantity of sensors or SD card. However, with this I2C interface module, you will be able to receive data display via only 2 wires. If you already have I2C devices in your project, this LCD module actually costs no more resources at all. It is fantastic for Arduino-based projects.