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4 的数字密码锁
这是一个简单的例子,基于 8051 单片机的电子密码锁。该示例项目还描述了如何接口 16 × 2 液晶显示器和键盘。简单的电话键盘用于此项目。系统启动时最初"输入密码"在第 1 行上显示和用户输入密码,并在每个键按下 * 在屏幕上显示。此密码是 4 位数长度。如果输入 4 位数密码匹配用在程序代码中的预定义密码后然后系统激活锁定继电器连接在引脚 # 0 的端口 P2 意味着打开锁,并显示用户锁被打开一条消息。现在关于紧迫 " *" 关键用户可以再次启用锁定。如果是不正确的密码然后系统显示无效的密码的消息,并不能打开锁。在代码中定义的锁的密码是"1234″。如果用户输入错误的关键,并想要从开始再次输入密码,然后用户可以按 " *" 中重新输入密码。
- 2022-03-19 04:20:56下载
- 积分:1
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欢迎来到PMOS。PMOS是一组模块,大部分用模
Welcome to PMOS. PMOS is a set of modules, mostly written in Modula-2,
to support multitasking. PMOS was designed primarily with real-time
applications in mind. It is not an operating system in the conventional
sense rather, it is a collection of modules which you can import
into your own programs, and which in particular allow you to write
multi-threaded programs.
-Welcome to PMOS. PMOS is a set of modules, mostly written in Modula-2. to support multitasking. PMOS was designed pri marily with real-time applications in mind. It is not an operating system in the conventional"s ense rather, it is a collection of modules which you can impor t into your own programs. and which in particular allow you to write multi- threaded programs.
- 2022-05-28 19:33:47下载
- 积分:1
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MinGW5 在线安装程序,用于在Windows下编译QT程序
MinGW5 在线安装程序,用于在Windows下编译QT程序-Online MinGW5 Setup for the Windows compile QT under the procedures
- 2023-06-01 21:30:03下载
- 积分:1
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C51 examples of a variety of C
C51各种C语言实例实验,音乐,读写 ,跑马灯-C51 examples of a variety of C-experiments, music, reading and writing, marquees
- 2022-03-12 23:53:46下载
- 积分:1
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液晶显示 16 × 2 字符 LPC2103
该代码控制 LCD 16 × 2 字符来显示文本和数字 9 的数字,这是有益的学生,想要到相似与 LPC2103 和小型项目。
- 2023-03-05 08:30:03下载
- 积分:1
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STM32F开始模板使用Keil IDE
应用背景关键技术
- 2022-04-15 13:08:02下载
- 积分:1
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嵌入式系统的C和C++的电子书
Programming Embedded Systems in C and C++ EBook
- 2022-07-01 10:01:09下载
- 积分:1
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20060531am
20060531am--Windows嵌入式开发系列课程(1):Windows CE系统定制开发入门.pdf
-20060531am- Windows Embedded Development Series courses (1): Windows CE development system customized portal. Pdf
- 2022-06-03 03:42:48下载
- 积分:1
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yampp MP3的源代码
yampp mp3 source code
- 2023-04-14 09:45:04下载
- 积分:1
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MSP430 RTOS running on examples
MSP430上运行RTOS实例-MSP430 RTOS running on examples
- 2022-03-19 04:53:43下载
- 积分:1