Mega16是一款采用先進RISC精簡指令，內置A/D的8位單片機，可支持低電壓聯機 Flash和EEPROM 寫入功能；同時還支持 Basic和C 等高級語言編程。用它設計電子時鐘不僅成本低，硬件簡單，而且很容易實現系統移植。介紹了如何利用AVR系列單片機Mega16及1602字符液晶來設計電子時鐘的方法，同時給出了相應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
針對目前燃氣灶市場的狀況，提出一種基于PIC16C711單片機的燃氣灶脈沖點火控制器設計,具體包括有系統的組成和功能介紹、硬件電路設計及軟件功能實現。 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
C8051F020單片機通過SPI接口驅動四線電阻式觸摸屏控制器TSC2046，利用中斷方式驅動TSC2046設計軟件。介紹了觸摸屏的工作原理、TSC2046工作方式以及典型應用電路。 Abstract: The C8051F020 MCU is connected with the TSC2046 which is a 4-wire touch screen controller. The TSC2046 is controlled by interrupt mode, the? operation principle of touch screen is introduced. The operation mode of TSC2046 and typical application Circuit are also discussed.
上傳時間： 2014-12-27
上傳用戶：hwl453472107
介紹了一種基于AT89S52微處理器、鍵控顯示模式、多漢字顯示的顯示模塊設計方法。對AT89S52的內部功能及使用高128字節RAM時的尋址方式進行說明。給出了四漢字顯示模塊的硬件電路原理圖、主程序流程圖以及中斷顯示流程圖。 Abstract: The design method of display module base on the AT89S52 microcontroller,display mode controlled by keyboard and? showing several Chinese characterses are introduced in the paper.The internal function and the addressing mode for the high 128B RAM of the AT89S52 are explained.The basic Circuit diagram,the main program flow chart and the display interrupt flow chart of four Chinese characterses display module are also given.
上傳時間： 2014-01-23
上傳用戶：咔樂塢
采用單片機AT89C2051實現溫度測量與控制,鍵盤和顯示電路實現溫度的設定、修改、清零以及當前溫度值的顯示,并對溫度超過上下限進行報警。闡述了該系統設計的硬件和軟件設計。 Abstract: The system of temperature measuring and controling is realized based on AT89C2051.The keyboard and display Circuit is designed,which can be used for setting and modifying temperature value,resetting and displaying the present temperature value.At the same time the warning Circuit is also designed in the system,which can deal with the alarm when temperature exceeds the upper limit and the lower limit.The hardware and software design of the system are explained．
上傳時間： 2013-11-18
上傳用戶：leehom61
為了解決磁放大器性能測試過程中，需要對其供給不同數值恒定電流的問題，設計了一種基于DAC7512和單片機的數控恒流源系統。該系統采用AT89C51作為主控器件，將計算機發送的電流控制字命令轉換為D/A轉換器控制字，通過模擬SPI通信接口，寫D/A控制字到DAC7512，從而控制其輸出相應數字電壓值，經差動縮放電路、電壓/電路變換電路和功率驅動電路，最后輸出恒定電流。實驗結果表明，恒流源輸出電流調節范圍為-45~+45 mA、精度為±0.1 mA，分辨率達0.024 4 mA，具有應用靈活，外圍電路簡單，可靠性高的特點。該數控直流恒流源也可為相關產品的測試系統研發提供參考。 Abstract: In order to solve the need to supply different values constant current for the magnetic amplifier in testing process， numerical control constant current source system was designed based on DAC7512 chip and microcontroller technology. The system used the AT89C51 as the main chip， which can convert the current control word from computer into to D/A control words. And the system wrote D/A control word into the DAC7512 chip to control the output voltage value by the SPI communication interface， which can output corresponding constant current figures by scaling Circuit， the V/I converter and power drive Circuit. Experimental results show that the current source output current adjustment range is -45~+45mA， accuracy is ± 0.1mA， and resolution ratio is 0.024 4mA
上傳時間： 2014-12-27
上傳用戶：invtnewer
針對目前采用的熱敏電阻測量方法，提出了采用單總線數字式溫度傳感器DS18B20和單片機組成的新型溫度測量儀。介紹DS18B20的結構和工作原理，以及單總線工作原理，給出了由Mega8單片機和DS18B20構成的單總線溫度測量儀的硬件電路及軟件流程圖。經試驗基于單總線器件DS18B20的溫度測量儀，具有測量準確、測溫范圍寬、體積小、控制方便等優點。 Abstract: This paper brings forward a new temperature meter composed of 1-Wire temperature sensor DS18B20 and MCU which has advantage of the thermistor. In the article, the DS18B20＇s structure and controlling principles are introduced and hardware Circuit and software diagram of the temperature meter are given.After been tested,the temperature meter has the advantages of accurate measurement, wide temperature range, small volume and convenient controlling.
上傳時間： 2013-10-31
上傳用戶：hzy5825468
以AVR單片機ATmega8和USB接口器件PDIUSBD12為核心，基于標準的USB1.1協議，設計一種通用USB接口模塊，以滿足嵌入式系統中對USB接口的需求。對模塊的硬件電路或單片機固件程序的硬件接口層稍加修改即可用于其他各種微處理器。該模塊可為各種嵌入式系統增加USB接口,實現與USB主機系統通信。 Abstract: Based on AVR microcontroller ATmega8 and USB interface chip PDIUSBD12, a general USB interface module is designed according to USB1.1 protocol for various requirements of embedded systems. Only with few modifications in Circuit or hardware abstract layer of firmware, the module can be used on many types of microprocessors. All kinds of embedded systems can realize high speed and stable communication with USB host systems, owing to the facility of this module.
上傳時間： 2014-01-08
上傳用戶：趙云興
針對材料試驗機等設備中要求測量或控制材料拉伸或壓縮的位移，一般采用光電軸角編碼器檢測位置信號，輸出正交編碼脈沖信號。若采用其他方法檢測位置信號，必然導致電路設計復雜，可靠性降低。因此，提出一種基于LS7266R1的電子式萬能材料試驗機設計方案。給出了試驗機中的控制器工作原理，LS7266R1與單片機的接口硬件設計，以及主程序軟件流程圖。巧妙地把力量傳感器，位移傳感器等機械運動狀態的壓力或拉力以及位置坐標，變成了電壓信號和電脈沖數字信號，供A/D測量和LS7266R1計數，從而實現了獨立完成材料試驗控制或通過PC機串口命令完成材料試驗控制。 Abstract: Aiming at the requirement that the displacement of the tension and compression always be tested and controlled in the equipement such as material testing machine. The position signal was tested by photoelectric axial angle coder. Therefore， the paper proposes the design of electronic universal testing machine design based on LS7266R1. If the position signal detected by other methods， will inevitably lead to the Circuit design complexity， reliability decreased. The work theory of the controller， the hardware interface design between LS7266R1 and single chip， and the flow chart of main program， are presented in this paper. The signal of the compression or tension power and displacement at working， which tested by power sensor and displacement sensor especially， is changed into electric voltage and electric pulse numerical signals. And these signals can be tested by A/D and counted by LS7266R1. Finally the test of the material properties can be controlled by itself， or controlled by the COM command of PC.
上傳時間： 2013-11-02
上傳用戶：yl1140vista
介紹一種應用于長城賽弗SUV汽車后門車窗多功能控制器，能實現對電動玻璃車窗、車窗雨刮器、噴水器以及電加熱除霜器等控制。介紹了基于NXP P89LPC922單片機多功能汽車后車窗控制器的控制功能、硬件電路原理和軟件設計方法。 Abstract: This paper presents a multipurpose automotive rear windows controller for CHANGCHENG SAFE SUV.The controller can control rear power-operated window,rear wiping,washing water pump and rear defroster of the windows. In this paper, it is introduced in detail that the functions and the design of the Circuit and program of the controller based on NXP P89LPC922 MCU.
上傳時間： 2013-11-13
上傳用戶：z754970244
