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单片机编程 基于ATmega48的3相无刷电机的控制方法

介绍了采用ATmega48单片机实现三相无刷直流电机控制器的方法。利用Atmega48获得带死区的脉宽调制(PWM)、霍尔传感器的换相处理、正弦驱动信号的产生和电机转速的控制等功能。采用该方法的优点是所需的外围器件少,成本低。 Abstract:  The method of 3-phase brushless DC motor control based on ATmega48 is pre ...
https://www.eeworm.com/dl/502/29241.html
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单片机编程 基于DS1991和PIC单片机的智能水卡设计

DS1991是一种多密钥信息纽扣,文章介绍了DS1991的主要特点、工作原理及读写方法。给出了一种基于DS1991和PIC单片机的智能水卡设计方案,同时给出了整个系统的硬件组成原理和软件设计方法。 Abstract:  DS1991 is a multikey iButton. The characteri ...
https://www.eeworm.com/dl/502/29353.html
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单片机编程 基于单片机控制的二氧化碳浓度测试计

基于单片机控制的二氧化碳浓度测试计:基于CDM4161二氧化碳气体浓度测试模块以及ATtiny26单片机,提出了一种二氧化碳浓度测试计的设计方案。该方案具有硬件电路简单、成本低、可靠性高、测量准确等优点,具有较高的实用价值。 Abstract: Abstract:A desigh scheme of CO2 concentration meter based on CDM4161carbon dioxid ...
https://www.eeworm.com/dl/502/31324.html
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无线通信 MAX7060的ASK_FSK的ISM射频发射机

Abstract: This application note illustrates the flexibility of the MAX7060 ASK/FSK transmitter. While the currently available evaluationkit (EV kit) has been optimized for the device's use in a specific frequency band (i.e., 288MHz to 390MHz), this document addresseshow the EV kit circuitry ca ...
https://www.eeworm.com/dl/510/36309.html
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VC书籍 This book is for you if You re no "dummy," and you need to get quickly up to speed in intermediate

This book is for you if You re no "dummy," and you need to get quickly up to speed in intermediate to advanced C++ You ve had some experience in C++ programming, but reading intermediate and advanced C++ books is slow-going You ve had an introductory C++ course, but you ve found that you still can t ...
https://www.eeworm.com/dl/686/350755.html
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技术资料 一种电源切换装置的设计

针对靶场某些测量装备的供电问题,研制了一种电源切换装置。该装置可以在一路电源不足以继续供电时切换到另一路继续供电且不会间断。分析了系统的功能、原理,给出了关键部分硬件电路图和程序流程图。实际应用表明该装置的研制极大提高了某些测控装备的可靠性。In view of power supply problem for some rang measurement eq ...
https://www.eeworm.com/dl/894643.html
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技术资料 ElementsofInformationTheory.rar

原书名: Elements of Information Theory 原出版社: Wiley-Interscience 作者: Thomas M. Cover, Joy A. Thomas 出版社:Wiley-Interscience 内容简介回到顶部↑Product Description Following a brief introduction and overview, early chapters cover the basic algebraic relationships of entropy, relativ ...
https://www.eeworm.com/dl/896325.html
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单片机编程 I2C slave routines for the 87L

The 87LPC76X Microcontroller combines in a small package thebenefits of a high-performance microcontroller with on-boardhardware supporting the Inter-Integrated Circuit (I2C) bus interface.The 87LPC76X can be programmed both as an I2C bus master, aslave, or both. An overview of the I2C bus and descr ...
https://www.eeworm.com/dl/502/31386.html
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可编程逻辑 基于Verilog HDL设计的多功能数字钟

本文利用Verilog HDL 语言自顶向下的设计方法设计多功能数字钟,突出了其作为硬件描述语言的良好的可读性、可移植性和易理解等优点,并通过Altera QuartusⅡ 4.1 和ModelSim SE 6.0 完成综合、仿真。此程序通过下载到FPGA 芯片后,可应用于实际的数字钟显示中。 关键词:Verilog HDL;硬件描述语言;FPGA Abstract: In this ...
https://www.eeworm.com/dl/kbcluoji/40390.html
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技术资料 基于Arduino单片机的双光纤双向干涉条纹计数器

介绍了一种基于Arduino单片机的双光纤双向干涉条纹计数器.该装置可根据干涉条纹的涌出和陷入实现条纹的双向计数.在干涉法测量金属热膨胀系数实验中,使用此计数器对条纹计数,具有成本低廉、操作简易、计数精度高、抗干扰能力强、反应时间短等优点.A double-fiber bidirectional interference fringe counter based on Arduin ...
https://www.eeworm.com/dl/895816.html
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