标签: 测量温度

用PT100电阻温度传感器测量温度并监视温度

使用一个GPIO数字接口测量温度的简单方式

使用一个GPIO数字接口测量温度的简单方式.pdf

Almostalltemperaturesensorcircuitsusesomeformofdiscretecomponent(suchasathermistororasolid-statesensor)toactuallymeasuretheenvironment’stemperature.Itislefttothemicrocontrollertointerpretthereadingintoahuman-friendlyformfortheuser’sbenefit.Itispossible,however,todesignadigitalthermometerwithoutanexternalsensor,byusingatemperaturesensitivepropertyofthemicrocontrolleritself.ThisApplicationNoteshowshowtousetheWatchdogTimer(WDT)ofaPICmicro®microcontrollerfortem-peraturemeasurement.MAN828MeasuringTemperaturewiththePIC16F84AWatchdogTimerAuthor:LeenaChaudhariTHEORYOFOPERATIONMicrochipTechnologyInc.TheWDTonallPICmicromicrocontrollershasanomi-naltime-outperiodof18ms.TheWDTtime-outperiodvarieswithtemperature,VDDandpart-to-partprocessINTRODUCTION……