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使用AT89C52驱动LED点阵,包涵源程序及PROTUES制作的原理图,内容完整...
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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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将一个无序数组排为升序数组或降序数组,且不丢失原来数据。...
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汇编语言windows32位编程,有墙壁的阻挡,可以设定食物数量,速度,难度等。...
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它可以帮助您使用C++程序
it can help you use C++ program we
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a simple compilation of examples DcCopy
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想学1602的,看了这个你就明白了(我的学习过程)
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AVR 矩阵时钟 8 x 8 点阵 led 显示屏
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基于51单片机的16个汉字显示并左移的点阵程序大家学习
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simple 8PCSLED water lights, easier to get started, one will see
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