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
主要介紹了以PIC18F2480單片機為處理器,基于可編程多路開關檢測接口器件MC33993實現的車用多路開關檢測接口電路的設計。該設計克服了以往基于分立元件的檢測接口電路的弊端,簡化了接口電路設計,保證了車用開關工作的可靠性和安全性。 Abstract: The design of automotive multiple switch detection interface circuit based on MC33993 is introduced mainly which adopts PIC18F2480 single chip microprocessor.This circuit overcomes shortage of traditional design which contains many schism elements, and the application of MC33993 also predigests the whole design of interface circuit and guarantees the dependability and security of the switch.
上傳時間: 2013-11-19
上傳用戶:star_in_rain
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
以FPGA為數字邏輯平臺,借助繼電器矩陣和多路模擬開關,以ADS1211為核心,在單片機控制下,聯合實現手持式虛擬/智能存儲示波表中數字多用表功能,實驗表明該設計是行之有效的。文中介紹了數字多用表的系統結構,重點討論了其測量電路和智能控制方案。 Abstract: The digital multimeter in virtual/intellect digital-oscillorgaph was fulfilled, which was controlled by singlechip computer by relay matrix and analogue switches,in which FPGA was used for digital logical plot-form, ADS1211 for kernel chip, the experiment showed the design was feasible, the system struction was present-ed in the paper, measure circuit and intellect control plan of digital multimeter were mainly given.
上傳時間: 2013-11-02
上傳用戶:瓦力瓦力hong
DS1991是一種多密鑰信息紐扣,文章介紹了DS1991的主要特點、工作原理及讀寫方法。給出了一種基于DS1991和PIC單片機的智能水卡設計方案,同時給出了整個系統的硬件組成原理和軟件設計方法。 Abstract: DS1991 is a multikey iButton. The characteristic operation principle and the way of read/write of DS1991 are introduced in the paper. A smart water card based on DS1991 and PIC singlechip is presented the design of hardware and software are also given
上傳時間: 2013-11-06
上傳用戶:李彥東
對智能儀器系統中的在系統編程(ISP)技術及其在儀器系統中在線編程的實現、應用前景等進行了分析。介紹了P89C669相對于傳統51系列單片機的增強特性,并給出P89C669快閃存儲器的ISP實現電路和具體方法。結合實際介紹了一種可以在系統編程的智能鍵盤、數碼管顯示系統。
上傳時間: 2013-12-27
上傳用戶:LouieWu
介紹了一種基于BF561的智能視頻監控器的設計和實現。給出了系統的總體結構、系統各部分的硬件組成以及系統的主要算法和軟件實現。測試結果表明,本設計具有良好的實時性、穩定性和準確性,可用于視頻監控業務。
上傳時間: 2013-11-15
上傳用戶:baitouyu
摘要:傳統的門鎖既要備有大量的鑰匙,又要擔心鑰匙丟失后的麻煩。隨著單片機的問世,出現了帶微處理器的密碼鎖,它除具有電子密碼鎖的功能外,還引入了智能化、科技化等功能,從而使密碼鎖具有很高的安全性、可靠性,受到了廣大用戶的親睞。本文介紹一種基于單片機和串行EEPROM的智能密碼鎖,對系統硬件設計和軟件實現進行了詳細的描述。該系統采用STC89C51單片機和AT24C02串行EEPROM,通過STC89C51模擬I2C總線和AT24C02通訊來讀取存儲的密碼,用戶通過鍵盤輸入的密碼,實現密碼鎖的功能。
上傳時間: 2013-12-09
上傳用戶:JasonC