基于arduinoethernet的在线温度记录仪

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1、基于Arduino ethernet shield与18B20的温度记录仪wxxmickey 发表于 - 2010-1-218:15:000推荐全文摘自：http://www.codetorment.com/2009/11/12/arduino-temperature-and-light-data-logging-and-chartplotting-webmonitor/ArduinotemperaturedataloggerAnarduino,aDB18S20one-wiretemperaturesensorandanLDR(LightDepen

2、dentResistor)arehookedupwithsomeresistorsandanethernetshieldtomakeadataloggerandwebmonitor.Notes:·forthissetuptheconnectionsaremadeontheethernetshieldinsteadofdirectlyonthearduino.SinceFritzingmissesalibrarywithexternalshieldIusedthearduino,thepinoutstaysthesameeitherway.·chec

3、ktheDS18B20datasheetforthespecificationsonhookingupthesensorinparasiteorpoweredmodeSchematics:arduino读取传感器温度每十秒一次并把温度数据上传到网站上，并以TXT文件存储随后将数据制成折线图readsthesensorsevery10secondsandpassesthedatatoaphponyourwebsite;whichthenstoresthedatainatextfile.Asecondgeneratesalinechartoftheco

4、llecteddata.22hoursoftemperaturedataIstartedfromCyberspice’scodeandchangedthearduinocodetomakeuseoftheDB18S20andtheethernetshield.A一个变量加入了上传的php用于除温度外还存储光的强度variablewasaddedtotheuploadphpinordertostorethelightintensityinadditiontothetemperature.图表还显示了‘最低温度’‘最高温度’‘平均温度’‘当前温度’Th

5、egraphingwasalteredtoalsodisplaytheminimumtemperature,themaximumtemperature,thecurrenttemperatureandtheaveragetemperature.Arasterwasaddedforabetterinterpretationoftheplotteddataandagreenlineisshowingtheaveragetemperature troughoutthechart.你需要改成自己的IPYouneedtoalteryourip,domaina

6、ndpathasIexplainedinthepostArduinoWirelessmotiondetectorsoIwon’tgointothosedetailshere.Thearduinosketch:＃include＃include＃includeintcount=0;OneWireds(8);intHighByte,LowByte,TReading,SignBit,Tc_100,Tf_100,Whole,Fract;intTcount=1;intW[6];intF[6];i

7、ntphotocellPin=0;//thecelland10Kpulldownareconnectedtoa0intlight;//theanalogreadingfromthesensordividerbytemac[]={0xDE,0xAD,0xBE,0xEF,0xFE,0xED};byteip[]={192,168,1,36};byteserver[]={77,222,78,32};//Stringbuffercharbuffer[256];Clientclient(server,80);voidsetup(){Ethernet.begin

8、(mac,ip);Serial.begin(9600);delay(1000);//Serial.println("con