CardKB v1.1 is a compact QWERTY keyboard that offers a full range of keyboard functions with its 50 keys. Users can easily input text and commands using this keyboard, making it suitable for various applications.One notable feature of the CardKB v1.1 is its GROVE interface, which allows for seamless integration with M5Stack system. CardKB v1.1 supports UIFlow and Arduino platforms. This compatibility enables users to leverage the functionalities provided by these platforms for programming and controlling the keyboard.Additionally, the CardKB v1.1 is equipped with an I2C communication port, facilitating easy and efficient communication with other devices or systems that support I2C connectivity. This enables smooth data transfer and integration with compatible devices. The keyboard also includes an RGB-LED indicator, providing visual feedback or status indication. Users can customize the LED color to suit their preferences or use it to convey specific information or notifications.Moreover, the CardKB v1.1 is designed with two Lego compatible holes, allowing for easy integration with Lego bricks or structures. This feature enhances the versatility of the keyboard and opens up possibilities for creative projects and designs.