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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.
- 2022-02-25 13:31:03下载
- 积分:1
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4*4键盘扫描,依据键值,LCD双行显示,双行显示满后,清屏,重新显示...
4*4键盘扫描,依据键值,LCD双行显示,双行显示满后,清屏,重新显示-4* 4 keyboard scanning, based on keys, LCD double display, double line after the expiry of the Qing-ping, re-display
- 2022-04-19 03:18:47下载
- 积分:1
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用C++实现多项式处理
用C++实现多项式处理-Using C++ to deal with polynomials
- 2022-04-28 21:04:44下载
- 积分:1
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API的说明 对UCOS的API介绍很详细 可以供嵌入式系统开发运用
API的说明 对UCOS的API介绍很详细 可以供嵌入式系统开发运用-UCOS API description of the API can be very detailed introduction for the use of embedded system development
- 2022-01-25 16:50:43下载
- 积分:1
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100
100点温度值采集,并且可以进行摄氏温度和华氏温度的转换-100-point temperature value acquisition, and can be carried out Celsius and Fahrenheit temperature conversion
- 2022-04-14 22:08:07下载
- 积分:1
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点阵LED字符显示器的设计
可以显示四个汉字。
并且可以按照不同的方式显示出来。...
点阵LED字符显示器的设计
可以显示四个汉字。
并且可以按照不同的方式显示出来。
-lattice LED character display will show the design of four Chinese characters. And according to different ways of show.
- 2022-07-18 11:23:28下载
- 积分:1
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汇编操作蜂鸣器演奏音乐的例程,使用MASM6.15编译通过
汇编操作蜂鸣器演奏音乐的例程,使用MASM6.15编译通过-operation of buzzer
- 2022-02-15 05:23:26下载
- 积分:1
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upd 51 6464a acquisition procedures compilation directives
upd 6464a 取得程序 51 汇编指令-upd 51 6464a acquisition procedures compilation directives
- 2023-04-04 23:45:04下载
- 积分:1
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This is a sample of OUT instruction. It writes values to virtual I/O port that c...
This a sample of OUT instruction. It writes values to virtual I/O port that controls the stepper-motor. Try using datCCW, datCW_FS or datCCW_FS instead of datCW to get different behavior of the motor. -This is a sample of OUT instruction. It writes values to virtual I/O port that controls the stepper-motor. Try using datCCW, datCW_FS or datCCW_FS instead of datCW to get different behavior of the motor.
- 2022-11-02 02:15:03下载
- 积分:1
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This is rs (255,223) verilog source coding. Inside : encode, decode, test
这是rs(255,223)编码的verilog源程序。里面有:encode、decode、test-bench等文件。-This is rs (255,223) verilog source coding. Inside : encode, decode, test-bench and other documents.
- 2022-03-18 07:35:01下载
- 积分:1