介绍了一种基于C8051F020单片机的多路压力测量仪。该测量仪选用电阻应变式压力传感器采集压力信号,并经放大电路处理后送入C8051F020单片机,再由C8051F020单片机内部的A/D转换器将采集到的压力信号进行模数转化,然后分别对数据进行存储和显示。该测量仪能测量6路压力信号,并且各测量点都能单独检测和设置。由于采用了C8051F020单片机,简化了硬件电路,增强了抗干扰能力,使得测量仪具有测量精度高,冲击小等特点。 Abstract: A measurement apparatus for multi-channel pressure based on single chip microcomputer is introduced.It can measure 6 channels signal of the pressure,and the pressure measure points can be detection and located individually.The pressure signal sampling is obtained by resistor stress-type pressure sensors,the digital signals of 6 channels are collected through amplifying and adjustment circuit of pressure signals and internal integrated A/D converter of MCU.Finally,and it realizes the function to store and display data separately.C8051F020 was used to made Hardware circuit simple,and it also enhanced the anti-interference ability.It features high precision and little impact.
上传时间: 2013-11-16
上传用户:yare
Mega16是一款采用先进RISC精简指令,内置A/D的8位单片机,可支持低电压联机 Flash和EEPROM 写入功能;同时还支持 Basic和C 等高级语言编程。用它设计电子时钟不仅成本低,硬件简单,而且很容易实现系统移植。介绍了如何利用AVR系列单片机Mega16及1602字符液晶来设计电子时钟的方法,同时给出了相应的电路原理及部分语言程序。 Abstract: ?Mega16 is a high-performance, low power consumption, the use of advanced RISC concise instructions, built-in A/D 8-bit microcontrollers, the on-line support for low-voltage Flash, EEPROM write function. Except Mega16 also support the Basic, C, and other high-level language programming.The electronic clock which is deisgned by Mega16 is not only low-cost, simple Hardware, but easy to achieve system migration.The design method of electrioic clock based on the AVR Mega16 and character LCD1602 is introduced in this paper,and the corresponding circuit electrionic and some language program are given.
上传时间: 2014-12-27
上传用户:zl5712176
针对目前燃气灶市场的状况,提出一种基于PIC16C711单片机的燃气灶脉冲点火控制器设计,具体包括有系统的组成和功能介绍、硬件电路设计及软件功能实现。 Abstract: Aiming at today’s gas cooker market, a pulse ignition controler design based on PIC16C711 is presented.The specific descriptions of system components and functions,Hardware circuit design and software function are given.
上传时间: 2013-10-31
上传用户:zhqzal1014
气压是气象监测中的一个重要参数,提出了一种气压数据采集模块设计方案,该模块采用数字气压传感器MS5534B、MSP430单片机MSP430F2272和带实时时钟(RTC)64 KB铁电存储器。通过低功耗软件设计方法以微安级整体平均功耗实现了气压数据的采集和存储,适合电池供电的连续高精度气压采集应用。给出了模块的软硬件设计以及MS5534B的性能指标和使用经验。 Abstract: Air pressure is an important parameter in weather monitor.This paper futs forward a new design scheme of low power-air pressure data acquisition module.The module uses a digital output barometer sensor MS5534B,MSP430 microcontroller MSP430F2272 and integrated RTC 64KB FRAM,precision air pressure measurement and storage chip.Another point of this module is low power consumption, so it is well suited for battery powered air pressure data acquisition applications. At the same time,the software and Hardware deign of module is presented,And the speciaties and use notices of MS5534B are given.
上传时间: 2014-12-27
上传用户:drink!
MMC/SD卡以其优越的性能,在单片机嵌入式设备中得到广泛应用。将MMC/SD卡作为外部掉电存储介质应用于音频信号发生器中,通过8051F330单片机上的SPI接口,实现单片机—MMC/SD卡的存储扩展,设计了此硬件平台上的MMC/SD卡的单片机驱动程序,并给出了相应的程序代码,满足音频信号发生器的大容量存储要求。 Abstract: MMC/SD card is more and more widely used in the single chip embedded devices for their excellent performances.This article introduces the application of MMC/SD card as the external power down storage medium in audio signal generator. The extension technology especially for storage of single chip-MMC/SD card via SPI interfaces in 8051F330 single chip, including designs single chip drive program of MMC/SD card based on Hardware platform,and also gives the key coding of the program. The implementation of big capacity storage is meaningful in audio signal generator.
上传时间: 2014-12-27
上传用户:黄华强
采用单片机AT89C2051实现温度测量与控制,键盘和显示电路实现温度的设定、修改、清零以及当前温度值的显示,并对温度超过上下限进行报警。阐述了该系统设计的硬件和软件设计。 Abstract: The system of temperature measuring and controling is realized based on AT89C2051.The keyboard and display circuit is designed,which can be used for setting and modifying temperature value,resetting and displaying the present temperature value.At the same time the warning circuit is also designed in the system,which can deal with the alarm when temperature exceeds the upper limit and the lower limit.The Hardware and software design of the system are explained.
上传时间: 2013-11-18
上传用户:leehom61
介绍一种无极可调交流电子负载设计的新方法,由ATmega48单片机输出PWM波,通过上位机设定不同的占空比控制场效应管的通断时间,即改变流过场效应管的平均电流。根据电流的大小,可以等效为相应的负载,并将采集的电流值显示在上位机上。文中对该系统的软﹑硬件设计思路作了详细的分析,阐述了其设计原理。 Abstract: A new type electronic load is introduced.Due to ATmega48 microcomputer output PWM wave.The different duty is set ratio through PC to control FET turn-on time.We can equivalent homologous load according the current and display the current at PC.The Hardware and software designing are analysed in detail. The principle is explained and the output is also given.
上传时间: 2013-11-23
上传用户:虫虫虫虫虫虫
提出了一种基于C8051F320的红外模拟枪战系统设计方案。介绍了红外模拟枪战系统的构成,给出了硬件选型、系统硬软件设计。利用红外抗对系统的工作原理,系统获得良好效果。 Abstract: This paper presents the design of simulated gunfight system based on C8051F320.Introduces system structure,and puts forward Hardware selection of infrared simulated gunfight system and system Hardware and software designs.Using the operation principle of infrared antagonizing system,the system result is good.
上传时间: 2013-11-20
上传用户:南国时代
提出了一种基于C8051F320的列车安全巡检仪的设计方案,详细阐述了巡检仪的各个模块的硬、软件设计。巡检仪集信息采集、轴温检测、照明和记录存储等功能于一体,实现了对列车安全巡检工作有效的监督和科学管理。系统软件采用C51编写,对单片机进行有效的电源管理,保证了巡检仪的稳定性、可靠性和低功耗性。 Abstract: This paper puts forward a design of train safety inspection based on C8051F320,describes all modules Hardware and software design of inspection instrument.The inspection instrument has the function of information collection, axle’s temperature detection, lighting and records storage.It can supervise and administer train safety inspection work effectively.The system software using C51 can manage the power of single chip microcomputer, and guarantee the stability, reliability and low power consumption of the inspection instrument.
上传时间: 2013-12-22
上传用户:落花无痕
通过对程控滤波器的理论分析,在研究MAX262的功能和单片机的SPI总线通信的基础上,提出了基于MAX262的程控滤波器设计方案,设计了程控滤波器的软硬件,并给出了测试结果。 Abstract: By analyzing the programmable filter,the paper puts forward a programmable filter system design based on MAS262 on basic of studying MAS262 features and SPI bus communication.Software and Hardware of the programmmable filter are designed,and the test result is given.
上传时间: 2013-11-15
上传用户:wxhwjf