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WARRING
- 用8051控制报警产生实例 用P1.0输出1KHz和500Hz的音频信号驱动扬声器，作报警信号，要求1KHz信号响100ms，500Hz信号响200ms,交替进行，P1.7接一开关进行控制，当开关合上响报警信号，当开关断开告警信号停止，编出程序。-control with 8,051 police have used examples of P1.0 1KHz and 500Hz output audio signal Flooding dynamic loudspeakers for al
WODEFM-1
- 89C2051和HB4145音频发射带LCD显示采用HT1621驱动原代码!请查收
8253
- 利用实验仪上提供的键盘，使数字键1、2、3、4、5、6、7作为电子琴按键，按下即发出相应的音调。用8253可编程定时器产生音频脉冲,驱动喇叭。-The use of experimental apparatus provided on the keyboard, so that the numeric keys 1,2,3,4,5,6,7 as a keyboard button, press that is issued by the appropriate tone. Programmabl
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- 利用实验仪键盘，使数字键1、2、3、4、5、6、7作为电子琴键，按下数字键发出相应的音调，PB0作为定时器门控信号，OUT1发出音频信号，驱动喇叭-Experimental instrument keyboard, so the number keys 1,2,3,4,5,6,7 as an electronic keyboard, press the number key issue relevant tone, PB0 as the timer gate control signal, OU
DZQ
- 利用实验仪键盘，使数字键1、2、3、4、5、6、7作为电子琴键，按下数字键发出相应的音调，PB0作为定时器门控信号，OUT1发出音频信号，驱动喇叭。-Experimental instrument keyboard, the numeric keys 1,2,3,4,5,6,7 as electronic keys, press the number keys issued tone PB0 as timer gating signal, OUT1 issue audio signal to d
电子琴程序
- 电子琴汇编语言源程序.利用键盘，使数字键1、2、3、4、5、6、7作为电子琴按键，按下即发出相应的音调。用单片机P3.2 口发出音频脉冲,驱动喇叭。(The keyboard is used to make the digital keys 1, 2, 3, 4, 5, 6 and 7 as the keyboard of the electronic organ, and the corresponding tone is sent out. The audio pulse is sent o