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（1） 有一个主持人控制开关和8路抢答按扭，当主持人允许抢答时才能进行抢答操作，并用一个数码管显示抢答选手的号码，同时其他选手不能再抢答。
（2）电路上...
（1） 有一个主持人控制开关和8路抢答按扭，当主持人允许抢答时才能进行抢答操作，并用一个数码管显示抢答选手的号码，同时其他选手不能再抢答。
（2）电路上要加个蜂鸣器的电路，当有选手抢答时蜂鸣器响一下。
（3）要有倒计时功能，开始抢答时开始倒20秒计时，用两个数码管显示，当有人抢答时停止倒计时。
2.2拓展部分
用按键可设置倒计时的时间，范围在5秒到30秒之间。-(1) has a host switch and 8-way control button to answer in, when the moderator allowed to be carried out to answer in time to answer in operation, and use an LED display to answer in the number of players, while other players can no longer answer in his place. (2) the circuit, we should add a buzzer circuit, when there are players when the buzzer rang to answer in about. (3) to have the countdown feature to begin to answer in 20 seconds when you start down time, using two digital tube display, when someone stops to answer in the countdown. 2.2 The expansion of part of the buttons can be set with the countdown time, the range of 5 seconds to 30 seconds.
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- 积分：1
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masm old fargon 2 to do asmbly code
masm old fargon 2 to do asmbly code
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City of science and technology in August load too large and the health status of...
八月里市科技的负荷较大时士大夫和健康的身份空间黑色的符号绝对是客户附加费很大撒娇口号就是咖啡活动时看见爱好防静电释放空间黄寺大街-City of science and technology in August load too large and the health status of the symbol space is absolutely black customers surcharge great coffee when the slogan is to see the release of anti-static space-loving Street
- 2022-08-24 21:34:20下载
- 积分：1
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这是一个红外遥控键值解码12864液晶显示，适合初学者及工程开发。...
这是一个红外遥控键值解码12864液晶显示，适合初学者及工程开发。-This is an infrared remote control decoder 12,864 pairs LCD, for beginners and project development.
- 2022-09-01 23:05:02下载
- 积分：1
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cong bie ren na zuanzaide
cong bie ren na zuanzaide-cong 1,546 ren na zuanzaide
- 2022-06-29 08:28:17下载
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易语言的一个小代码! 很不错的!大家都支持一下吧
易语言的一个小代码! 很不错的!大家都支持一下吧-Easy language to a small code! Very good! U.S. support yourself
- 2022-01-22 07:01:58下载
- 积分：1
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该程序实现显示一个数字的方阵，程序中的清屏功能可将上次运行的结果
清除，重新显示下次运行结果。本程序在dos中或windows98中运行。...
该程序实现显示一个数字的方阵，程序中的清屏功能可将上次运行的结果
清除，重新显示下次运行结果。本程序在dos中或windows98中运行。-the program figures show a phalanx, procedures of the screen will be the last operation to remove a result, the next re-running show results. This procedure dos or running Windows98.
- 2023-05-10 04:05:03下载
- 积分：1
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LCD1602液晶显示
LCD1602液晶驱动万年历显示Ｃ程序，LCD1602液晶驱动万年历显示Ｃ程序-LCD1602 LCD-driven calendar shows C procedures, LCD1602 LCD display-driven C program calendar
- 2022-01-25 22:18:22下载
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洗衣机控制器程序，实用，可以试试，
洗衣机控制器程序，实用，可以一试，-Washing machine controller procedures, practical, you can try,
- 2022-03-11 19:42:49下载
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用Masm计算平方根(例如sqtr(2))到6万5千位小数的程序.
用Masm计算平方根(例如sqtr(2))到6万5千位小数的程序.-with Masm calculating square root (eg sqtr (2)) to 60,005 decimal 1000 procedures.
- 2022-01-26 02:59:17下载
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