This task is based on the control of the MCU. In order to make it work, the first and foremost thing is to configure the interface among the MCU, display device and the wireless communication device with reason. In detail, the hardware design concludes the MCU control system, display circuit as well as the design of the wireless one. As for the software design, there are the initialization of the MCU and the display component. The programmer for the control of the display part and wireless part are also concluded.