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本文利用单片机AT89S51为核心器件,数码管、LED灯为显示模块,蜂鸣器为声响模块,以按键为键盘模块,结合软硬件两个方面设计了一个六路抢答器系统,并经过调试和运行使该系统达到预期目标。具有抢答功能,显示功能,声响提示功能,抢答倒计时,抢答时间设定,答题时间倒计时,还有数据的清零功能。该六路抢答器系统结构简单、可靠性好,并且具有性能高、功耗小、反应迅速、结果准确等特点,充分发挥了单片机系统的长处。
In this paper, microcontroller AT89S51 as the core device, digital tube, LED lights for the display module, the buzzer is the sound module, the key for the keyboard module, combined with hardware and software design of a six-way responder system, and after debugging and operation The system achieved its goal. With a response to the function, display function, audible prompts, answer countdown, answer the set time, answer the countdown time, and data reset function. The six-way responder system has the advantages of simple structure and good reliability, and has the characteristics of high performance, small power consumption, rapid response and accurate result, and gives full play to the advantages of the single-chip microcomputer system.