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c++
微机报告 直流电动机斩波调速控制
以8088cpu为核心,扩展8253定时器/计数器,产生1ms(PWM的周期的方波),作为8259的IRQ7的中断请求信号,在中断程序中,由8255B口(PB0脚)输出PWM脉冲,经驱动单元输出驱动直流电动机(起码有高、中、低三个速度,甚至可连续调速)。-c++
- 2022-01-28 17:17:32下载
- 积分:1
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QT2410开发板全部电路图,对做嵌入式硬件设计的朋友会有一定的参考价值。...
QT2410开发板全部电路图,对做嵌入式硬件设计的朋友会有一定的参考价值。-Schematics for QT2410 development board, would be a good reference for those who makes hardware design on embedded system.
- 2022-07-21 12:06:49下载
- 积分:1
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These files are just an example of making login page and guest book.
These files are just an example of making login page and guest book.
- 2022-01-29 00:24:46下载
- 积分:1
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I2C中文协议。是中文的,讲解不错。对于了解I2C协议很有帮助。...
I2C中文协议。是中文的,讲解不错。对于了解I2C协议很有帮助。-I2C
- 2023-02-08 12:25:04下载
- 积分:1
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本“网上考试系统”是为了配合网上教学,实现网络学校一体化而设计的。设计本系统要熟悉掌握数据库的编辑和应用,并能与网络相结合。
本“网上考试系统”是基于微软...
本“网上考试系统”是为了配合网上教学,实现网络学校一体化而设计的。设计本系统要熟悉掌握数据库的编辑和应用,并能与网络相结合。
本“网上考试系统”是基于微软的FrontPage和Access数据库来实现的。主要采用HTML语言来编写,设计过程中还应用到ASP语言。全文共分为系统分析、系统概述、设计过程、用户说明、 结束语、参考文献。本文详细阐述了系统分析、系统设计的方法及其内容,对如何使用ASP开发本系统作了较为详细的介绍。本系统以网页的方式对数据库进行调用,系统应用简单明了,考生可以轻松查看数据库,操作员也可以对数据库进行添加、删除、修改等操作。
关键词:网上考试系统,数据库,网页语言
-the "online examination system" is in line with the on-line teaching, the network integration of the school design. Design of the system to the mastery of the editing and database applications, and can combine with the network. The "online examination system" is based on Microsoft"s FrontPage and Access database to achieve. HTML language used mainly to prepare, the design process is also applied to the ASP language. There transcript analysis, the system outlined, design process, users that conclusion, references. The paper presents a systematic analysis, system design methods and their contents ASP on how to use the system was the development of a more detai
- 2023-02-01 11:25:03下载
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2009 National Undergraduate Electronic Design Contest E question
2009年全国大学生电子设计大赛E题--电能收集充电器-2009 National Undergraduate Electronic Design Contest E question- Energy Chargers collection
- 2022-01-26 00:12:15下载
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有关gps数据采集卡设计
图片资料
希望对你有帮助
有关gps数据采集卡设计
图片资料
希望对你有帮助-The gps data acquisition card for image data you want to help
- 2022-02-07 08:00:00下载
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- 2022-02-13 22:58:44下载
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PCI9052 development pci card with a complete set of data containing schematic pa...
用pci9052开发pci板卡的全套资料,含有原理图封装,和eeprom文件1-PCI9052 development pci card with a complete set of data containing schematic package, and EEPROM file 1
- 2022-11-17 11:50:03下载
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TMS320F240在有功功率变换器.测量等方面的应用科技文档及源码,来之不易,与大家共享....
TMS320F240在有功功率变换器.测量等方面的应用科技文档及源码,来之不易,与大家共享.-TMS320F240 in the active power converter. The application of measurement science and technology documents and source code, does not come easily, and everyone shared.
- 2023-05-15 04:00:02下载
- 积分:1