本文介紹了基于單片機(jī)AT89C51 的溫度控制系統(tǒng)的設(shè)計(jì)方案與軟硬件實(shí)現(xiàn)。采用溫度傳感器DS18B20 采集溫度數(shù)據(jù)，液晶顯示屏LCM1602 顯示溫度數(shù)據(jù)，AT24C02B 存儲(chǔ)溫度上下限設(shè)定
標(biāo)簽： Implementation TemperATure SingleChip Control
上傳時(shí)間： 2013-06-03
上傳用戶：xoxoliguozhi
Ti LaunchPad_Temp_GUI for your reference Select COM port that LaunchPad is connected to * receive serial communication from LaunchPad for * instantaneous TemperATure readings.
標(biāo)簽： LaunchPad_Temp_GUI zip
上傳時(shí)間： 2013-04-24
上傳用戶：ljt101007
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
上傳時(shí)間： 2013-08-04
上傳用戶：CHENKAI
Industrial systems demand semiconductors that are precise, flexibleand reliable. Linear Technology offers a broad line of high performanceanalog ICs that simplify system design with rugged devices featuringparameters fully guaranteed over the -40°C to 85°C TemperATure range.We back this up with knowledgeable applications support, long productlife cycles and superior on-time delivery.
上傳時(shí)間： 2013-11-02
上傳用戶：xiaodu1124
Abstract: A perfect voltage reference produces a stable voltage independent of any external factors. Real-world voltagereferences, of course, are subject to errors caused by many external factors. One causeof these major errors isTemperATure. Without care, it is easy to operate a voltage reference outside its operating TemperATure range. Thisapplication note describes how references respond to TemperATure changes, and how self-heating can cause a voltagereference to operate outside its recommended TemperATure range. Once understood, this knowledge can then be used toavoid making this design error.
標(biāo)簽： 基準(zhǔn)電壓 溫度漂移 應(yīng)用筆記
上傳時(shí)間： 2013-11-08
上傳用戶：xianglee
Abstract: The DS4830 optical microcontroller's analog-to-digital converter (ADC) offset can change with TemperATure and gainselection. However, the DS4830 allows users to measure the ADC internal offset. The measured ADC offset is added to the ADCoffset register to nullify the offset error. This application note demonstrates the DS4830's ADC internal offset calibration in theapplication program.
標(biāo)簽： 4830 ADC DS 校準(zhǔn)
上傳時(shí)間： 2014-12-23
上傳用戶：萍水相逢
Abstract: A laser module designer can use a fixed resistor, mechanical pot, digital pot, or a digital-to-analogconverter (DAC) to control the laser driver's modulation and bias currents. The advantages of a programmablemethod (POT or DAC) are that the manufacturing process can be automated and digital control can be applied(e.g., to compensate for TemperATure). Using POTs can be a more simple approach than a DAC. There can be aslight cost advantage to using a POT, but this is usually not significant relative to other pieces of the design.Using a DAC can offer advantages, including improved linearity (translating to ease of software implementationand ability to hit the required accuracy), increased board density, a wider range of resolutions, a betteroptimization range, ease of use with a negative voltage laser driver, and unit-to-unit consistency
標(biāo)簽： POT DAC 應(yīng)用筆記 校準(zhǔn)
上傳時(shí)間： 2013-11-13
上傳用戶：ca05991270
Abstract: This article discusses application circuits for Maxim force/sense digital-to-analog converters (DACs). Applications include:selectable fixed-gain DAC, programmable gain DAC, photodiode bias control, amperometric sensor control, digitally programmablecurrent source, Kelvin load sensing, TemperATure sensing, and high current DAC output. A brief description of the various DAC outputconfigurations is also given.
標(biāo)簽： DAC
上傳時(shí)間： 2013-11-04
上傳用戶：youmo81
Digital convergence, in recent history, has been prevalentin the consumer equipment domain and the designengineers in this area have been struggling with a plethoraof emerging standards and protocols. What lessons can welearn from their struggle? The same dilemmas now existin in-vehicle telematics and infotainment systems but withthe added issues of extremes of TemperATure, safety,security, and time in market.
標(biāo)簽： 遠(yuǎn)程信息處理 數(shù)字 協(xié)議 標(biāo)準(zhǔn)
上傳時(shí)間： 2014-12-23
上傳用戶：9牛10
This application note features 8-, 10-, and 12-bit dataacquisition components in various circuit configurations.The circuits include battery monitoring, TemperATure sensing,isolated serial interfaces, and microprocessor andmicrocontroller serial and parallel interfaces. Also includedare voltage reference circuits (Application Note 42contains more voltage reference circuits).
標(biāo)簽： 數(shù)據(jù)采集 電路分析
上傳時(shí)間： 2014-01-15
上傳用戶：zq70996813
蟲蟲下載站版權(quán)所有 京ICP備2021023401號-1
