抢答器设计

设计要求：

抢答器的抢答路数为6路；

设置一个系统清除和抢答控制开关s，开关由主持人控制；

抢答器具有定时抢答功能：且一次抢答时间由主持人设定为30秒，当主持人启动开始按键后，定时器进行倒计时，并在数码管上显示计时间；

系统采用2个数码管显示，抢答启动后首先显示时间，当有人抢答时，显示抢答人员所对应的编号；

抢答器具备锁存与显示功能，当选手按下按钮时，锁存相应的编号，扬声器发生声响提示，并在数码管上显示该选手的编号，选手抢答实现优先锁存，优先抢答选手的编号一直保持到主持人将系统清除为止。-Responder Design

Design requirements:

Responder Responder ones for the 6-way　

Set up a system of clear and answer control switch s, the switch is controlled by the host　

Responder Responder with timing functions: Answer Time and time set to 30 seconds by the host, the host starts when the Start button, countdown timer, and display the total time on the digital control　

System uses two digital display, the answer is displayed first start time, when someone answer, display the corresponding answer in staff numbers　

Responder with latch and display, press the button when the players latch corresponding number, speakers from audible alert and displays the player s number on the digital control, the players realize the priority latch Responder, Responder players priority number held until cleared by the host system.