介紹了基于單片機(jī)航空交流電參數(shù)測試儀的系統(tǒng)設(shè)計。以Silicon Labs公司的C8051F005單片機(jī)為核心設(shè)計出數(shù)據(jù)采集板，通過RS-232串口與上位機(jī)通訊。運(yùn)用Lab Windows/CVI編寫的上位機(jī)軟件實現(xiàn)信號的檢測以及波形和數(shù)據(jù)的顯示，給出了測試儀硬件電路的組成和軟件流程圖。本系統(tǒng)具有硬件結(jié)構(gòu)簡單、容易實現(xiàn)和成本低等特點，在實際應(yīng)用中其穩(wěn)定性、精確性均能滿足客戶要求。 Abstract: The design of aeronautics AC parameters tester based on the single-chip is introduced.The core component of data acquisition board is C8051F005 single chip of Silicon Labs Company,and communication with PC through RS-232. The signal processing software programmed with LabWindows/CVI can be used successfully to fulfill inspection of signal and display of the waveform and data. The hardware and software configuration of test instrument are provided.The hardware of the system is simple, and can be easily realized.The stability and precision of the measurement instrument are enough to meet the requirements.
標(biāo)簽： C8051F005 單片機(jī) 儀的設(shè)計 參數(shù)測試
上傳時間： 2013-11-18
上傳用戶：wang5829
主要介紹構(gòu)成記憶示波器的STC12C5408AD增強(qiáng)型單片機(jī)8通道10位模數(shù)轉(zhuǎn)換功能的設(shè)置、應(yīng)用和具體的匯編程序設(shè)計，以及PC機(jī)串行通訊和圖形顯示的高速匯編程序的設(shè)計要點，并列舉實例說明其應(yīng)用效果。 Abstract: The configuration, applications and the designs for? compiling program of the memorial oscillograph of 10 bits A/D conversation are introduced. It’s bases on STC12C5408AD 8? channels? single-chip? computer? in? enhancement? mode. It also recommends the devising essentials of high speed compiling program for PC serial communication and graphics display, lists examples to explain its effects in using.
上傳時間： 2013-10-10
上傳用戶：adada
詳細(xì)介紹了TLC1549系列模數(shù)轉(zhuǎn)換器的特點及工作原理，然后根據(jù)TLC1549的工作時序和A/D轉(zhuǎn)換原理針對實際問題編寫了詳細(xì)的匯編語言程序。 Abstract: A basic principle and characteristic of TLC1549 analog-to-digital converter are introduced? detailedly in this article.Through engineering-oriented illustration,a microcomputer programmer base on basic principle and time sequence of TLC1549 is writted.
上傳時間： 2014-07-16
上傳用戶：blans
介紹了基于單片機(jī)C8051F020的通用串口適配器的設(shè)計與實現(xiàn)方法，即由單片機(jī)控制的智能化一對多口收發(fā)信號轉(zhuǎn)換器。通過采用C51對單片機(jī)進(jìn)行編程，控制與RS-232（標(biāo)準(zhǔn)RS-232電平）、RS232(TTL電平)、RS-422接口的數(shù)據(jù)通信；采用C++ Builder作為開發(fā)平臺，通過RS-232接口實現(xiàn)上位機(jī)對適配器各個通信端口的控制。 Abstract: Design and realization of a universal serial port adapter based on the MCU C8051F020 are introduced.The adapter is an intelligent one-to-more receiving and transmitting signal converter controlled by the MCU. By programming the MCU with the language C51,MCU control data communication between the MCU and RS-232(RS-232 level),RS-232(TTL level),RS-422 port; Using C++ Builder as the development plane, by one RS232 port, the upper PC can control each of the communication port of the adapter.
上傳時間： 2013-11-19
上傳用戶：hebanlian
介紹了電力操作電源與智能電池巡檢系統(tǒng)的特點，給出了一種基于超低功耗單片機(jī)MSP430 F149針對中小型變電站自動化運(yùn)行的專用設(shè)備的基本設(shè)計原理及實現(xiàn)方法，最后給出了詳細(xì)硬件構(gòu)成和軟件實現(xiàn)。該系統(tǒng)能滿足中小型變電站安全、可靠、自動運(yùn)行的要求，并通過與上位機(jī)的串行通信實現(xiàn)變電站的遠(yuǎn)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(qiáng)
介紹一種以MSP430單片機(jī)為基礎(chǔ)的智能頻率測量系統(tǒng)，采用硬件邏輯與軟件指令相結(jié)合的方式控制閘門，實現(xiàn)0 MHz~10 MHz范圍內(nèi)無檔切換的等精度測量。 Abstract: An intelligent frequency measurement system based on MSP430 singlechip is introduced. The system uses a way that can combine hardware logic and software instructions to contronl the strobe ,and completes the functions of equal precision in the range of 0MHz~10MHz without shifting
上傳時間： 2013-10-28
上傳用戶：dbs012280
介紹一種基于單片機(jī)的多路溫度采集及監(jiān)控系統(tǒng)，能夠測量6路溫度信號，具有計算機(jī)聯(lián)網(wǎng)功能，各測量點可以單獨監(jiān)控和設(shè)置，可根據(jù)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(diào)壓模式。該系統(tǒng)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.
標(biāo)簽： 多路 溫度采集 監(jiān)控系統(tǒng)
上傳時間： 2013-10-23
上傳用戶：bjgaofei
出了一種利用ATmega8單片機(jī)對ISD2500系列語音芯片進(jìn)行控制的智能語音系統(tǒng)，此系統(tǒng)使用靈活，易于功能升級，具有良好的應(yīng)用前景。提供了硬件連接電路和關(guān)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.
標(biāo)簽： ATmega8 2500 ISD 智能語音
上傳時間： 2014-01-22
上傳用戶：Artemis
針對視頻監(jiān)控中攝像機(jī)鏡頭光圈大小、圖像聚焦、圖像變焦三項參數(shù)的控制問題，介紹了一種基于89C51單片機(jī)的鏡頭控制電路的設(shè)計。 該電路以89C51單片機(jī)為核心，結(jié)構(gòu)簡單，成本低廉，控制可靠，實現(xiàn)了智能監(jiān)控終端對攝像參數(shù)的完全控制。 Abstract: The design of camera lens control circuit based on 89C51 is introduced. This circuit can adjust parameters of camera such as aperture, zoom and focusing. The practice of project shows that this circuit has advantages of structure simple, low cost and high reliability.
上傳時間： 2013-10-29
上傳用戶：Wwill
為降低成本和解決現(xiàn)有膜片鉗放大器系統(tǒng)中PC機(jī)的干擾問題，研究了一種基于單片機(jī)的膜片鉗放大器小系統(tǒng)。該系統(tǒng)采用ADI公司生產(chǎn)的ADuC841作為控制核心，并且配置相應(yīng)的液晶顯示模塊LCM3202401。模擬電路部分采用高輸入阻抗的AD8627實現(xiàn)微電流信號的采集，并由后級電路進(jìn)行信號的放大和電阻電容的補(bǔ)償。它具有硬件電路簡單、體積小、使用方便的特點。既可以單獨作為小系統(tǒng)實現(xiàn)采集和顯示，也可以通過紅外方式和PC機(jī)進(jìn)行通訊，在PC機(jī)上進(jìn)行信號的處理。 Abstract: In order to reduce cost and resolve the interferential problem with PC in existing patch clamp amplifiers, a small patch clamp amplifier system design based on microcontroller is studied. It adopts a new high performance microconverter ADuC841 by the ADI as the control core in the system, configuring a liquid crystal module LCM3202401. In the analog circuit, AD8627 with high input impedance is used to detect the low current，signal magnification, as well as resistance and capacitance compensation are accomplished by subsequent circuits. It has the advantage of simple hardware circuit design, small volume and convenient operation. It can either be used as an independent system to measure and show signal detected or transmit to PC by infrared ray.
上傳時間： 2013-11-06
上傳用戶：yy_cn
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