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蜂鸣器在单片机上的应用,汇编语言,附原理图及说明学习文档 蜂鸣器的正极性的一端联接到5V电源上面,另一端联接到三极管的集电极,三极管的基级由单片机的P2.4管脚...
蜂鸣器在单片机上的应用,汇编语言,附原理图及说明学习文档 蜂鸣器的正极性的一端联接到5V电源上面,另一端联接到三极管的集电极,三极管的基级由单片机的P2.4管脚通过一个与非门来控制, 用户可以通过程序控制P2.4管脚的置低和置高来使蜂鸣器发出声音和关闭。 蜂鸣器的声音大小及音调可以通过调整P2.4管脚的置高时间及输出的波形进行控制,这一点可以在调试程序的时候来试验。-On the buzzer in single-chip applications, assembly language, with a schematic diagram and instructions to study documents the positive polarity of the end of the buzzer connected to the 5V power supply above, the other end connected to the transistor" s collector, the base level by the single-chip transistor Machine P2.4 pin through a NAND gate to control, the user can be programmed to set pin P2.4 low and set high to make the buzzer sound on and off. Buzzer sound size and pitch can be set by adjusting the P2.4 pin of the high time and output waveform control, and this point could be the time to test the debugger.
- 2023-07-19 04:45:03下载
- 积分:1
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一个显示系统时间的程序!!因为用了BIOS中断~所以不能在win下使用哦...
一个显示系统时间的程序!!因为用了BIOS中断~所以不能在win下使用哦-time the procedure! ! Because of the disruption to the BIOS can not win in the use of oh
- 2022-03-03 23:26:26下载
- 积分:1
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数码管显示交流稳压器,使用A48单片机编写,C言语
数码管显示交流稳压器,使用A48单片机编写,C言语-Digital display AC voltage stabilizer, the use of the preparation of A48 Singlechip, C language
- 2022-07-10 12:12:55下载
- 积分:1
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用汇编写的二叉树遍历程序包括前序,中序,后序遍历。
用汇编写的二叉树遍历程序包括前序,中序,后序遍历。-was compiled using the binary tree traversal procedures including the former sequence, sequence, after the preorder.
- 2022-03-09 23:37:14下载
- 积分:1
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the source for the CPU PIC16C54 to adopt cost
这个源码的CPU为PIC16C54,为子节约成本采用端口复用。-the source for the CPU PIC16C54 to adopt cost-saving portal reuse.
- 2022-03-19 18:17:18下载
- 积分:1
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在键盘上输入一个十进制的数字 可以转换成一个十六进制和二进制的数输出...
在键盘上输入一个十进制的数字 可以转换成一个十六进制和二进制的数输出-On your keyboard to enter a decimal figures can be converted into a hexadecimal and binary number of output
- 2022-01-31 13:54:28下载
- 积分:1
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用汇编语言编程,环境为keilC开发环境,显示温度
用汇编语言编程,环境为keilC开发环境,显示温度-Using assembly language programming, the environment keilC development environment, shows that the temperature
- 2022-08-16 12:39:28下载
- 积分:1
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一个简单的linux下的客户端,有什么问题请多指教!
一个简单的linux下的客户端,有什么问题请多指教!-a simple linux under the client and what problems it should improve!
- 2023-06-03 07:25:03下载
- 积分:1
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ART OF Assembly Language Programming, very good, but I have no time to read
ART OF Assembly Language Programming, 很不错,可惜我没有时间看-ART OF Assembly Language Programming, very good, but I have no time to read
- 2023-06-09 02:55:03下载
- 积分:1
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在pe文件上增加可执行代码;该程序是尝试用win32汇编程序对pe文件进行最基本的修改;...
在pe文件上增加可执行代码;该程序是尝试用win32汇编程序对pe文件进行最基本的修改;-Document an increase in pe executable code the program is to try to use win32 assembler of pe most fundamental changes to documents
- 2022-03-31 17:57:29下载
- 积分:1