The OKY3005-2 is an adapter module manufactured by OKYSTAR that is designed for use with the D1 Mini prototype board. It has dimensions of 79x34mm and is equipped with eleven power pins, two connector pins, two status pins, two signal pins, two analog pins, two buttons, and two push buttons. This adapter module enables easy and efficient powering of the D1 Mini prototype board and also allows it to be connected with other hardware and software components. Additionally, the dual signal and analog pins make it possible to receive and process data signals and analog signals. Furthermore, the two buttons and two push buttons of the module add convenience to the user and make it easier to configure the board.