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