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.
class="tags">標簽: 430F F149 MSP 430
class="time">上傳時間: 2013-11-25
class="username">上傳用戶:黃華強
介紹一種以MSP430單片機為基礎的智能頻率測量系統,采用硬件邏輯與軟件指令相結合的方式控制閘門,實現0 MHz~10 MHz范圍內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
class="time">上傳時間: 2013-10-28
class="username">上傳用戶:dbs012280
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.
class="time">上傳時間: 2013-10-23
class="username">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.
class="tags">標簽: ATmega8 2500 ISD 智能語音
class="time">上傳時間: 2014-01-22
class="username">上傳用戶:Artemis
針對視頻監控中攝像機鏡頭光圈大小、圖像聚焦、圖像變焦三項參數的控制問題,介紹了一種基于89C51單片機的鏡頭控制電路的設計。 該電路以89C51單片機為核心,結構簡單,成本低廉,控制可靠,實現了智能監控終端對攝像參數的完全控制。 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.
class="tags">標簽: 89C51 攝像機 控制 鏡頭
class="time">上傳時間: 2013-10-29
class="username">上傳用戶:Wwill
為降低成本和解決現有膜片鉗放大器系統中PC機的干擾問題,研究了一種基于單片機的膜片鉗放大器小系統。該系統采用ADI公司生產的ADuC841作為控制核心,并且配置相應的液晶顯示模塊LCM3202401。模擬電路部分采用高輸入阻抗的AD8627實現微電流信號的采集,并由后級電路進行信號的放大和電阻電容的補償。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實現采集和顯示,也可以通過紅外方式和PC機進行通訊,在PC機上進行信號的處理。 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.
class="tags">標簽: ADuC 841 膜片鉗 放大器
class="time">上傳時間: 2013-11-06
class="username">上傳用戶:yy_cn
在介紹基于MSP430單片機的指紋保險柜工作原理的基礎上,從系統軟件設計的角度出發,詳細介紹了指紋保險柜軟件的總體分析過程、程序結構的設計以及代碼的編寫,給出了按鍵管理流程和部分源代碼。 Abstract: On basis of the operating principle of MSP430 microcontroller-based fingerprint safe,the general analyzing process,program designing and code compiling of the fingerprint safe software are introduced mainly,and the key-press flows chart and some codes according to the system software designing are put forward.
class="tags">標簽: MSP 430 指紋 保險
class="time">上傳時間: 2014-12-27
class="username">上傳用戶:gaojiao1999
介紹基于ATmega8型單片機的溫度測量及加熱控制系統。分析系統的工作原理,詳盡討論系統的硬件電路和軟件流程。實驗證明,該系統工作可靠,穩定性高。 Abstract: The new temperature measuring and heating control system based on ATmega8 MCU is introduced.The system’s working principles is analyzed.The design principles of hardware and software are also discussed in detail.This system has been testified and it works steady and reliably.
class="tags">標簽: ATmgea8 單片機 加熱控制
class="time">上傳時間: 2013-11-21
class="username">上傳用戶:caiguoqing
利用Atmel公司的ATmega168微處理器,采用A/D轉換方式來實現按摩椅控制器的鍵盤接口,通過在硬件電路中巧妙地選擇電阻,在軟件設計中采用數字濾波、二分法和區間鑒定等方法,靈敏可靠地實現了按摩椅中30個按鍵的處理。給出了硬件電路設計和軟件設計思想以及部分匯編代碼。 Abstract: This paper chooses A/D conversion method to realize the keyboard interface of the controller by using ATmega168 microchip from Atmel Company.It accomplishes 30-key dealing sensitively and reliably in massage chair through skillfully selecting resistors in hardware circuit and using digital filter,dichotomy and area-judging method in software design.The hardware design circuit, software design idea and partly assembles code are presented mainly.
class="tags">標簽: ATmega 168 ADC 按鍵
class="time">上傳時間: 2014-01-10
class="username">上傳用戶:咔樂塢
利用AT89C51型單片機定時和中斷功能,配以LM386型音頻功率放大器,構成了作息號音自動播放器,為學校和機關管理提供方便。 Abstract: Using timing and interrupt function of the AT89C51 single-chip microcomputer and the LM386 audio power amplifier.It is constituted the automatic bugle player.This player facilitates the institution and the school daily management.
class="time">上傳時間: 2013-10-10
class="username">上傳用戶:wivai