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1. 抢答器同时供8名选手或8个代表队比赛
1. 抢答器同时供8名选手或8个代表队比赛,分别用8个按钮S0 ~ S7表示。 2. 设置一个系统清除和抢答控制开关S,该开关由主持人控制。 3. 抢答器具有锁存与显示功能。即选手按动按钮,锁存相应的编号,并在LED数码管上显示,同时扬...
2016-06-20
120
Ring register[1 from 8] which seven speeds. The result is presented on 8 LEDs. After every cycle, sp
Ring register[1 from 8] which seven speeds. The result is presented on 8 LEDs. After every cycle, speed grows. The proce...
2017-03-24
42