介紹一種基于C8051F060單片機和NAND Flash的數據采集存儲系統，該系統可實現3路信號采樣，每路采樣率為5KS/s,通過異步串行通信接口實現數據傳輸。并詳細說明系統的軟件設計。 Abstract: An acquisition and storage system based on C8051F060and NAND Flash is designed in this paper.The system is used to sample three-channel of signal,5KSPS each channel,and can upload data to test bench through UART（Universal Asynchronous Receiver/Transmitter）.The software design is discussed in detail.
上傳時間： 2013-10-12
上傳用戶：Jesse_嘉偉
介紹了一種基于C8051F020單片機的多路壓力測量儀。該測量儀選用電阻應變式壓力傳感器采集壓力信號，并經放大電路處理后送入C8051F020單片機，再由C8051F020單片機內部的A/D轉換器將采集到的壓力信號進行模數轉化，然后分別對數據進行存儲和顯示。該測量儀能測量6路壓力信號，并且各測量點都能單獨檢測和設置。由于采用了C8051F020單片機，簡化了硬件電路，增強了抗干擾能力，使得測量儀具有測量精度高，沖擊小等特點。 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.
上傳時間： 2013-11-16
上傳用戶：yare
在工作控制和智能化儀表中，通常由微型計算機進行實時控制及實時數據處理。計算機所加工的信息總是數字量，而被控制或測量對象的有關參量往往是連續變化的模擬量，如溫度、速度、壓力等等，與此對應的電信號是模擬電信號。計算機要處理這種信號，首先必須將模擬量轉換成數字量，這一轉換過程就是“模/數轉換（A/D）”
上傳時間： 2013-10-24
上傳用戶：tzl1975
摘要：本文介紹了一種基于單片機和測量電壓真有效值方案設計的智能數字交流毫伏表。它能精確測量任意波形的低頻模擬周期信號并同時顯示其有效值和分貝值。具有智能量程轉換功能。 關鍵詞：單片機 數字毫伏表 真有效值 智能量程轉換
上傳時間： 2013-11-09
上傳用戶：gaoqinwu
從系統硬件設計和軟件構成上，介紹一種以AT89C52單片機為核心,通過無線遙控方法實現對預設電話自動撥號報警的智能呼救系統。系統提供了患者在緊急情況下無法使用電話報警時的一種報警手段。由用戶預設的多組電話號碼作為語音報警對象,預錄可長達20 s的語音信號來說明患者所處地點及病情，并通知患者家人。 Abstract: This paper introduces a intelligent alarming system which is realized by wireless remote control system.This system chiefly consists of AT89C51 the system can processor.User can input several groups of telephone number regarded as alarming objects,The system can record some information 20 seconds to tell the site of the patient.And notice the rokonok of the patient.
上傳時間： 2013-11-19
上傳用戶：wd450412225
氣壓是氣象監測中的一個重要參數，提出了一種氣壓數據采集模塊設計方案，該模塊采用數字氣壓傳感器MS5534B、MSP430單片機MSP430F2272和帶實時時鐘（RTC）64 KB鐵電存儲器。通過低功耗軟件設計方法以微安級整體平均功耗實現了氣壓數據的采集和存儲，適合電池供電的連續高精度氣壓采集應用。給出了模塊的軟硬件設計以及MS5534B的性能指標和使用經驗。 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.
上傳時間： 2014-12-27
上傳用戶：drink！
針對眾多低成本數據采集需求，采用帶有片上USB控制器和D/A轉換器的混合信號微處理器C8051F340，設計了一款可通過USB接口和LabVIEW圖形用戶界面實現與PC機聯機的數據采集器，同時借助系統的SD卡存儲獨立實現現場長時間采集數據。該數據采集器成本低，結構簡單，體積小，已成功用于工業現場。 Abstract: Aiming at the need of low cost data acquisition, a data acquisition device is designed based on C8051F340 which is a mixed-signal microcontroller and integrates USB controller and A/D controller on a chip.The data acquisition device which can combine with PC by USB interface and LabVIEW graphical user interface,can realize data acquisition. At the same time,it can be solely run a long time in virtue of SD card in field.The date aequisition device features low cost,simple structure and little sharp, and it has been used in industry field.
上傳時間： 2014-05-31
上傳用戶：1109003457
介紹了電力操作電源與智能電池巡檢系統的特點，給出了一種基于超低功耗單片機MSP430 F149針對中小型變電站自動化運行的專用設備的基本設計原理及實現方法，最后給出了詳細硬件構成和軟件實現。該系統能滿足中小型變電站安全、可靠、自動運行的要求，并通過與上位機的串行通信實現變電站的遠程管理和控制。 Abstract: The characters of the intelligent battery data logging system of the electric operation power are introduced.The basic design principle and the implemented methods of the special equipment which only designed for the middle or small transformer substation based on MSP430F149 are prescribed. Finally, the hardware block diagram and the software flow chart are also given. The function that the system finally needs to realize can basically meet with the middle or small transformer substation’s satisfy, reliably,and automatic running.And it can also realize the transformer substation long-distance management and control by serial communicating with the host computer.
上傳時間： 2013-11-25
上傳用戶：黃華強
介紹一種基于單片機的多路溫度采集及監控系統，能夠測量6路溫度信號，具有計算機聯網功能，各測量點可以單獨監控和設置，可根據用戶的需求自動控制。測量溫度范圍為-10 ℃～200 ℃，控制方式采用模擬量調壓模式。該系統具有控制精度高、沖擊小等特點。 Abstract: A temperature collecting and surveillance-controlling system based on sing-chip microcomputer is introduced. It can measure 6 channel signal of the temperature,and it has a function of network connection.The temperature measure points can be monitored and located, it can be controlled automatic according to user’s demand.The temperature range is -10℃ to 200℃.The model of control is adjustable voltage with simulation. It features high precision and little impact.
上傳時間： 2013-10-23
上傳用戶：bjgaofei
出了一種利用ATmega8單片機對ISD2500系列語音芯片進行控制的智能語音系統，此系統使用靈活，易于功能升級，具有良好的應用前景。提供了硬件連接電路和關鍵源程序。 Abstract: An intelligent voice system using ISD2500 series voice chips based on ATmega8 MCU is described.This system is flexible and easy to upgrade for users,and it has pretty good using foreground. The circuit diagram and the key program are also provided.
上傳時間： 2014-01-22
上傳用戶：Artemis
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