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基于单片机的温度采集和无线传输系统设计.docx

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基于单片机的温度采集和无线传输系统设计 Introduction Withtheadvancementoftechnology,therehasbeenanincreasedneedtomonitortemperatureindifferentareassuchashealthcare,agriculture,andindustries.Temperaturemonitoringcanbecriticalinmaintainingoptimalconditionstoenhanceproductivity,quality,andefficiency.Therefore,wedesignedatemperaturecollectionandwirelesstransmissionsystemusingamicrocontrollertoenhancetemperaturemonitoringefficiency. HardwareDesign Thetemperaturecollectionandwirelesstransmissionsystemconsistoffourmajorcomponents;temperaturesensor,microcontroller,wirelessmodule,andpowersource. Temperaturesensor:Weusedthethermistortemperaturesensor,whichchangesitsresistancevaluedependingonthetemperature.Thesensorwasattachedtothemicrocontrollertofacilitatetemperaturedataacquisition. Microcontroller:WeusedtheSTC12C5A60S2microcontroller,whichhasa12-bitanalog-to-digitalconverter.Themicrocontrollerwasconnectedtothetemperaturesensor,wirelessmodule,andpowersource.Itwasprogrammedtocollectandprocesstemperaturedataandtransmititwirelesslytoaremotereceiver. Wirelessmodule:WeusedtheNRF24L01wirelessmodule,whichisalow-power,high-performancewirelesscommunicationchip.Themodulewasattachedtothemicrocontrollertotransmitdatawirelesslytoareceiver. Powersource:Weusedalithium-ionbatterytopowerthesystem. SoftwareDesign Wedevelopedsoftwaretoprocessacquiredtemperaturedataandwirelesslytransmitittoaremotereceiver.Thesoftwareisdividedintotwoparts;theclientandserver-sideprograms. Client-sideprogram:Theclient-sideprogramrunsonthemicrocontroller,anditisresponsibleforcollectingtemperaturedatafromthesensorandtransmittingitwirelesslytotheremotereceiver.Weprogrammedthemicrocontrollertocollecttemperaturedataeverysecondandtransmititwirelesslyeverytenseconds. Server-sideprogram:Theserver-sideprogramrunsontheremotereceiver.Itisresponsibleforreceivingtemperaturedatasentbythemicrocontrollerandprocessingitforanalysisandstorage.WedevelopedtheprograminPythonlanguage,whichhasawiderangeoflibrariestofacilitatedataprocessingandanalysis. Testi