本系统实现接收并响应传感器传来的信号，通过与上位机发生串口通信，从而让上位机播响应并放相位的视频、语音资料。可用于展览馆，动物园等需要解说的地方，-The realization of the system to receive and respond to signals from sensors, occurred with the host computer serial communication, so that PC and put the phase in response to broadcast video, voice data. Can be used in the exhibition hall, a zoo, such as the need to explain where