應(yīng)用德國Micronas公司的CDC3207G微控制器開發(fā)了一款汽車儀表板系統(tǒng)。詳細(xì)地介紹了該系統(tǒng)的硬件原理，以及步進(jìn)電機，音頻控制，LCD顯示，LED指示燈和報警燈等幾個模塊的實現(xiàn)方法。應(yīng)用μC/OS-II實時操作系統(tǒng)開發(fā)軟件。著重介紹了啟動代碼的設(shè)計和任務(wù)的規(guī)劃。 Abstract: A dashboard system is developed by using CDC3207G microcontroller made by Micronas.The hardware of the sys-tem and the realization of the step motor module,audio module,LCD display and LED indicator and alarm module are ex-plained in detail.The μC/OS-II real-time operating system is used for the software development and the starting code design and the task planning is explained specifically.
標(biāo)簽： 3207G 3207 CDC 汽車儀表板
上傳時間： 2013-10-26
上傳用戶：x4587
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(yīng)變式壓力傳感器采集壓力信號，并經(jīng)放大電路處理后送入C8051F020單片機，再由C8051F020單片機內(nèi)部的A/D轉(zhuǎn)換器將采集到的壓力信號進(jìn)行模數(shù)轉(zhuǎn)化，然后分別對數(shù)據(jù)進(jìn)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(shè)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
介紹一種簡單射頻識別系統(tǒng)設(shè)計。該設(shè)計包括閱讀器、應(yīng)答器和線圈3部分。由單片機控制閱讀器向應(yīng)答器發(fā)射無線信號，并接收應(yīng)答器回送的信號，再通過分析回送信號識別物品。閱讀器和應(yīng)答器之間以半雙工通信方式通信。 Abstract: A simple design of radio frequency identification system is given in this paper.The design includes reader,responder and winding.Through MCU，signals are sent to responder from reader，then corresponding signals are sent back. According to the analysis of the signals sent back，the objects can be identified.Half-duplex communication is adopted? between? reader? and? responder.
上傳時間： 2013-10-11
上傳用戶：plsee
介紹一種采用單片機技術(shù)和基站器件EM4095的手持式低頻RFID讀卡器方案。首先對整個系統(tǒng)框架進(jìn)行說明，然后介紹主要功能模塊的設(shè)計，給出了各模塊的原理圖。重點描述了基站器件EM4095的性能參數(shù)和功能原理，最后描述了該系統(tǒng)的主程序流程圖。 Abstract: In this paper,a handheld RFID reader based on MCU and EM4095 is introduced.At first，the configuration of this system is explained.Then the design of main modules and schematic documents are particularly presented.The parameters and principle of the chip EM4095 are introduced in detail. At last，the main software flow is given
上傳時間： 2013-10-18
上傳用戶：windypsm
闡述了一個由上位PC機和AT89C52下位單片機組成的主從分布式溫度巡回檢測系統(tǒng)。主從機采用RS-485 串行通訊標(biāo)準(zhǔn)進(jìn)行通信，可在下位單片機實現(xiàn)基本的溫度數(shù)據(jù)巡回檢測基礎(chǔ)上，由上位PC機實現(xiàn)綜合處理功能或擴(kuò)展為遠(yuǎn)程操作。整個系統(tǒng)具有巡檢速度快，擴(kuò)展性好的特點。 Abstract: In this paper,a top PC and AT89C52 under-bit microcontrollers from the main component of the tour distributed temperature detection system is presented. Master and slave can use RS-485 serial communication standards for communications.Based on next-bit machine for basic goods temperature detected data Tour, the top can achieve the integrated treatment of PC functions or for the expansion of long-distance operation. The entire inspection system is fast, expansion.
上傳時間： 2013-10-13
上傳用戶：zhoujunzhen
從系統(tǒng)硬件設(shè)計和軟件構(gòu)成上，介紹一種以AT89C52單片機為核心,通過無線遙控方法實現(xiàn)對預(yù)設(shè)電話自動撥號報警的智能呼救系統(tǒng)。系統(tǒng)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(yù)設(shè)的多組電話號碼作為語音報警對象,預(yù)錄可長達(dá)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
在汽車發(fā)動機起動時，若發(fā)動機起動后起動機不能及時斷電，將會燒毀起動機或損壞飛輪齒環(huán)；若變速器不在空檔位置起動，則起動機的瞬間動力將使汽車位移，還可能引起交通事故和人身安全。為此介紹一種利用NXP P89LPC901單片機控制的汽車起動保護(hù)控制器，通過檢測汽車起動開關(guān)、變速箱檔位、發(fā)動機轉(zhuǎn)速，實現(xiàn)對汽車發(fā)動機起動過程檢測和保護(hù)。起動保護(hù)控制器在發(fā)動機起動過程中通過采用逐個關(guān)閉打開負(fù)載系統(tǒng)，解決汽車發(fā)動機過程中因起動電流大而對汽車電源的沖擊影響,延長了電瓶壽命。 Abstract: When the automotive engine is started, the engine start motor and flywheel gear may be damaged， even traffic accidents and personal safeties may be caused by wrong operation or other factors.In order to ensure the automotive engine can be started normally and safely,it is necessary that the protecting measures and methods are considered in the automotive electrical control system.This paper introduces a kind of the automotive engine starting protect controller based on NXP P89LPC901 MCU.The controller can protect the engine starting process by detecting the starter key switch,transmission stall and engine speed.Through the use of close and open load system,the controller can solve the impact on automotive power because of the high-current load in the process of the automobile engine starting, and extend battery life.
上傳時間： 2013-10-15
上傳用戶：mikesering
為滿足礦井安全生產(chǎn)要求，介紹了一種以AT89C51單片機為主控器，對環(huán)境空氣的溫度、有毒易燃?xì)怏w的濃度等進(jìn)行檢測的監(jiān)控系統(tǒng)。該系統(tǒng)配合外圍電路能實現(xiàn)對上述環(huán)境指標(biāo)的控制并存儲相關(guān)數(shù)據(jù)與上位PC機通信。它采用硬件抗干擾和軟件抗干擾技術(shù)，以確保整個系統(tǒng)工作的準(zhǔn)確性。 Abstract: In order to meet the needs of mine produce safety，a kind of intellignet mine ambient monotoring and control system based on AT89C51 is introduced.This system can detect the temperature of ambient of mine，the density of poisonous inflammable gas,combined external circuit.With its function part， this system can change above-mentioned elements.
上傳時間： 2013-11-10
上傳用戶：wendy15
Mega16是一款采用先進(jìn)RISC精簡指令，內(nèi)置A/D的8位單片機，可支持低電壓聯(lián)機 Flash和EEPROM 寫入功能；同時還支持 Basic和C 等高級語言編程。用它設(shè)計電子時鐘不僅成本低，硬件簡單，而且很容易實現(xiàn)系統(tǒng)移植。介紹了如何利用AVR系列單片機Mega16及1602字符液晶來設(shè)計電子時鐘的方法，同時給出了相應(yīng)的電路原理及部分語言程序。 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.
上傳時間： 2014-12-27
上傳用戶：zl5712176
針對目前燃?xì)庠钍袌龅臓顩r，提出一種基于PIC16C711單片機的燃?xì)庠蠲}沖點火控制器設(shè)計,具體包括有系統(tǒng)的組成和功能介紹、硬件電路設(shè)計及軟件功能實現(xiàn)。 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.
上傳時間： 2013-10-31
上傳用戶：zhqzal1014
蟲蟲下載站版權(quán)所有 京ICP備2021023401號-1
