The eight way of answering machine, which is designed with AT89C51 MCU as the core, is: (1) the answer device is contested by 8 players or 8 teams at the same time, with 8 buttons S0-S7 respectively. (2) the responder has a timing and answer function, and the time for one to answer the answer is set by the host (such as 30 seconds). (3) when the host starts the "start" key, the timer is timed, and the loudspeaker gives a short sound, and the sound duration is about 0.5 seconds. (4) the contestants are able to rush to answer the questions at the appointed time, and the answer is effective. The timer stops working, and the number and the time to answer the players are displayed on the monitor. (5) if the time has arrived, no answer, the answer is invalid, the system alarm and the prohibition of response, display 00 on timing display.

Filename	Size	Update
仿真图\8位抢答器.pdsprj	20117	2017-07-10
仿真图\8位抢答器.pdsprj.705-25.Administrator.workspace	328	2017-07-10
仿真图\8位抢答器.pdsprj.DESKTOP-01GV7C4.L.workspace	2196	2017-07-12
仿真图\Backup Of 8位抢答器.pdsbak	20117	2017-07-10
仿真图\抢答器.hex	1687	2016-07-14
仿真图

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