OKYSTAR's OKY1201 module is a shield, prototype board, and GPIO device designed for use with the Raspberry Pi platform. It is capable of providing ground, power, and I/O connections through the raspberry PI GPIO connector. The module is also configured to provide additional pins for expansion options and to add additional communication ports. Users can also configure the module with their own modules, such as LCD, Wi-Fi, and Bluetooth, for personalized applications. In addition, the module features protection circuitry, preconfigured filters and buzzers, and a voltage regulator to improve the functioning of the Raspberry Pi.