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Thermometer

  • Thermometer with LCD

    Thermometer with LCD

    標簽: Thermometer with LCD

    上傳時間: 2013-12-04

    上傳用戶:ainimao

  • DS18B20中文資料

    FEATURES  Unique 1-Wire interface requires only one port pin for communication  Multidrop capability simplifies distributed temperature sensing applications  Requires no external components  Can be powered from data line. Power supply range is 3.0V to 5.5V  Zero standby power required  Measures temperatures from -55°C to +125°C. Fahrenheit equivalent is -67°F to +257°F  ±0.5°C accuracy from -10°C to +85°C  Thermometer resolution is programmable from 9 to 12 bits  Converts 12-bit temperature to digital word in 750 ms (max.)  User-definable, nonvolatile temperature alarm settings  Alarm search command identifies and addresses devices whose temperature is outside of programmed limits (temperature alarm condition)  Applications include thermostatic controls, industrial systems, consumer products, Thermometers, or any thermally sensitive system

    標簽: 18B B20 DS 18

    上傳時間: 2013-08-04

    上傳用戶:CHENKAI

  • Microchip PIC系列單片機RS232通訊應用

    Digitemp Junior – An RS-232 Port-Powered Digital Thermometer Digitemp Jr. is a device that is designed to measure and report ambient temperature. When connected to an RS-232 port on any PC, it will periodically measure and report in ASCII form the ambient temperature in degrees Celsius. These temperature readings can be monitored with any terminal program. If the terminal program supports capture to disk, the temperature readings can be saved to disk for further analysis with a spreadsheet program or other data analysis tool. The simple ASCII output format of Digitemp Jr. makes it rel- atively easy to write custom software for receiving, recording, and analyzing ambient temperature data. Best of all, Digitemp Jr. requires no external power sup- plies or batteries. It is powered directly by the RS-232 port.

    標簽: Microchip 232 PIC RS

    上傳時間: 2013-10-21

    上傳用戶:baitouyu

  • AVR常用庫函數介紹

    目錄: 1. Character Type Functions - 字符類型函數 2. Standard C Input/Output Functions - 標準輸入輸出函數 3. Standard Library Functions - 標準庫和內存分配函數 4. Mathematical Functions - 數學函數 5. String Functions - 字符串函數 6. BCD Conversion Functions - BCD 轉換函數 7. Memory Access Functions - 存儲器訪問函數 8. Delay Functions - 延時函數 9. LCD Functions - LCD函數 10. LCD Functions for displays with 4x40 characters - 4×40 字符型LCD函數 11. LCD Functions for displays connected in 8 bit memory mapped mode -以8 位外部存儲 器模式接口的LCD顯示函數 12. I2C Bus Functions - I2C 總線函數 13. National Semiconductor LM75 Temperature Sensor Functions - LM75 溫度傳感器函數 14. Dallas Semiconductor DS1621 Thermometer/Thermostat Functions - DS1621 溫度計函 數 15. Philips PCF8563 Real Time Clock Functions - PCF8563 實時時鐘函數 16. Philips PCF8583 Real Time Clock Functions - PCF8583 實時時鐘函數 17. Dallas Semiconductor DS1302 Real Time Clock Functions - DS1302 實時時鐘函數 18. Dallas Semiconductor DS1307 Real Time Clock Functions - DS1307 實時時鐘函數 19. 1 Wire Protocol Functions - 單線通訊協議函數 20. Dallas Semiconductor DS1820/DS1822 Temperature Sensors Functions - DS1820/1822 溫度傳感器函數 21. SPI Functions - SPI 函數 22. Power Management Functions - 電源管理函數 23. Gray Code Conversion Functions - 格雷碼轉換函數

    標簽: AVR 庫函數

    上傳時間: 2013-10-22

    上傳用戶:歸海惜雪

  • 基于MSP430單片機和DS18B20的數字溫度計

    為了在工業生產及過程控制中準確測量溫度,設計了一種基于低功耗MSP430單片機的數字溫度計。整個系統通過單片機MSP430F1121A控制DS18B20讀取溫度,采用數碼管顯示,溫度傳感器DS18B20與單片機之間通過串口進行數據傳輸。MSP430系列單片機具有超低功耗,且外圍的整合性高,DS18B20只需一個端口即可實現數據通信,連接方便。通過多次實驗證明,該系統的測試結果與實際環境溫度一致,除了具有接口電路簡單、測量精度高、誤差小、可靠性高等特點外,其低成本、低功耗的特點使其擁有更廣闊的應用前景。 Abstract:  In order to obtain accurate measuring temperature in industrial production and process control, a digital Thermometer based on MSP430 MCU is designed. The system uses MSP430F1121A MCU to control DS18B20, and gets the temperature data, which is displayed on the LED. The temperature sensor DS18B20 and MCU transmit data through serial communication. MSP430 series has ultra-low power and high integration, DS18B20 only needs one port to achieve data communication. Through many experimental results prove, this system is consistent with actual environment temperature. The system has characteristics of interface circuit simple, high measuring accuracy, minor error, high reliability, besides, the characteristics of low cost and low power make it having vaster application prospect.

    標簽: MSP 430 18B B20

    上傳時間: 2013-10-16

    上傳用戶:wettetw

  • 6小時學會labview

    6小時學會labview, labview Six Hour Course – Instructor Notes   This zip file contains material designed to give students a working knowledge of labview in a 6 hour timeframe. The contents are: Instructor Notes.doc – this document. labviewIntroduction-SixHour.ppt – a PowerPoint presentation containing screenshots and notes on the topics covered by the course. Convert C to F (Ex1).vi – Exercise 1 solution VI. Convert C to F (Ex2).vi – Exercise 2 solution subVI. Thermometer-DAQ (Ex2).vi – Exercise 2 solution VI. Temperature Monitor (Ex3).vi – Exercise 3 solution VI. Thermometer (Ex4).vi – Exercise 4 solution subVI. Convert C to F (Ex4).vi – Exercise 4 solution subVI. Temperature Logger (Ex4).vi – Exercise 4 solution VI. Multiplot Graph (Ex5).vi – Exercise 5 solution VI. Square Root (Ex6).vi – Exercise 6 solution VI. State Machine 1 (Ex7).vi – Exercise 7 solution VI.   The slides can be presented in two three hour labs, or six one hour lectures. Depending on the time and resources available in class, you can choose whether to assign the exercises as homework or to be done in class. If you decide to assign the exercises in class, it is best to assign them in order with the presentation. This way the students can create VI’s while the relevant information is still fresh. The notes associated with the exercise slide should be sufficient to guide the students to a solution. The solution files included are one possible solution, but by no means the only solution.

    標簽: labview

    上傳時間: 2013-10-13

    上傳用戶:zjwangyichao

  • 這是一個遠程溫度計 MCU: AT89S52 溫度傳感器: DS18B20 晶振: 12MHz 使用串口連接,在PC端使用"超級終端"打開 設置如下: 波特率: 4800 數據

    這是一個遠程溫度計 MCU: AT89S52 溫度傳感器: DS18B20 晶振: 12MHz 使用串口連接,在PC端使用"超級終端"打開 設置如下: 波特率: 4800 數據位: 8 奇偶校驗: 無 停止位: 1 數據流控制: 無 電路圖見Thermometer-SCH.jpg 該程序的編寫參照了Keil UV2自帶的便子 見EXAMPLES\MEASURE 使用終端交互方式 其實,這不僅是一個測漫器, 它的時鐘也非常準確.

    標簽: 4800 MCU 18B 89S

    上傳時間: 2014-01-09

    上傳用戶:410805624

  • The LM35 of National Semiconductors that is used in this project is a precision centigrade temperatu

    The LM35 of National Semiconductors that is used in this project is a precision centigrade temperature sensor, which has an analog output voltage. It has a range of -55潞C to +150潞C and a accuracy of 鹵0.5潞C . The output voltage is 10mV/潞C . The output voltage is converted by the AD convertor of the AT Mega8. The temperature is displayed on an LCD module. In this example the Thermometer has a range of 0潞C to 40潞C and a resolution of 0.5潞C. If you want to have a readout in Fahrenheit you can use the LM34.

    標簽: Semiconductors centigrade precision temperatu

    上傳時間: 2017-04-16

    上傳用戶:D&L37

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