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Internet of Things Programming with JavaScript
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LearntheartofbringingtheInternetofThingsintoyourprojectswiththepowerofJavaScriptAboutThisBook?ThisisapracticalguidetohelpyouconfigureandbuildacompletedistributedIoTsystemfromscratchusingJavaScript?UtilizethepowerofNodeandHTML5todevelopwebservicesandacentralizedwebserver,enablinghigh-levelcommunicationbetweenconnecteddevices?ControlallyourconnecteddevicesfromthebrowserbysettingupacommondashboardWhoThisBookIsForThisbookisfordeveloperswhoareinterestedinlearninghowtocommunicatewithconnecteddevicesinJavaScripttosetupanIoTsystem.SomebasicknowledgeofJavaScriptisexpected.HobbyistswhowanttoexplorethepotentialofIoTinJavaScriptwillalsofindthisbookuseful.WhatYouWillLearn?DeveloptheskillstoconnecteddevicespreparedthefieldtointeractwiththedevicesinanetworksystemInternetofThings?Findouthowtoconnectsensorsandactuatorstothedevices?Senddatatoawebserverconnecteddevices?UnderstandInternetofthingsusingwebservicesanddatabase?ConfigureadashboardusingHTML5andJavaScript?Controldevicesconnectedfromadashboard?Monitordifferentdevicesfromthedashboard?BuildanappforasmartphonetocontroldifferentdevicesInDetailTheInternetofThings(IoT)isanentirelynewplatformfordevelopersandengineers,butonethingthatremainsconsistentaswemoveintothisnewworld,aretheprogramminglanguages.JavaScriptisthemostwidelyusedlanguageovertheInternet,andwithIoTgainingmomentum,youwilllearnhowtoharnessthepowerofJavaScripttointeractwithconnecteddevices.ThisbookwillteachyouhowtointeractwithendpointdevicesbydevelopingwebservicesinJavaScriptandalsosetupaninterfacetocontrolallconnecteddevices.Thisbookbeginswithsettingupacentralizedwebserverthatservesasahubforallconnecteddevices.Thebookthenprogressesfurthertowardsbuildingwebservicestofacilitatehigh-levelcommunicationbetweenconnecteddevices.UsingArduinoandRaspberryPiZeroasendpointdevices,thebookwillshowyouhowdevicescancommunicatewitheachother,performawiderangeoftasks,andalsobecontrolledfromacentralizedlocationusingJavaScript.Thebookendswithcreatingahybridapptocontrolthedevicesthatcanberunfromabrowserorinstalledonasmartphone.StyleandapproachThisbookoffersstep-by-stepguidanceonhowtosetupadistributedIoTsystemusingJavaScript.ItwillteachyouhowtointeractwithendpointdevicesbydevelopingwebservicesinJavaScriptandalsosetupaninterfaceforcontrollingallconnecteddevices.

Rubén Oliva Ramos ·數(shù)據(jù)庫 ·2.6萬字

Internet of Things with Python
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InteractwiththeworldandrapidlyprototypeIoTapplicationsusingPythonAboutThisBook?RapidlyprototypeevencomplexIoTapplicationswithPythonandputthemtopracticaluse?EnhanceyourIoTskillswiththemostup-to-dateapplicabilityinthefieldofwearabletech,smartenvironments,andhomeautomation?Interactwithhardware,sensors,andactuatorsandcontrolyourDIYIoTprojectsthroughPythonWhoThisBookIsForThebookisidealforPythondeveloperswhowanttoexplorethetoolsinthePythonecosysteminordertobuildtheirownIoTapplicationsandworkonIoT-relatedprojects.ItisalsoaveryusefulresourcefordeveloperswithexperienceinotherprogramminglanguagesthatwanttoeasilyprototypeIoTapplicationswiththeIntelGalileoGen2board.WhatYouWillLearn?PrototypeanddevelopIoTsolutionsfromscratchwithPythonastheprogramminglanguage?DevelopIoTprojectswithIntelGalileoGen2boardalongwithPython?WorkwiththedifferentcomponentsincludedintheboardsusingPythonandtheMRAAlibrary?Interactwithsensors,actuators,andshields?WorkwithUARTandlocalstorage?InteractwithanyelectronicdevicethatsupportstheI2Cbus?Allowmobiledevicestointeractwiththeboard?Workwithreal-timeIoTandcloudservices?UnderstandBigDataandIoTanalyticsInDetailInternetofThings(IoT)isrevolutionizingthewaydevices/thingsinteractwitheachother.AndwhenyouhaveIoTwithPythononyourside,you'llbeabletobuildinteractiveobjectsanddesignthem.Thisbookletsyoustayattheforefrontofcutting-edgeresearchonIoT.We'llopenupthepossibilitiesusingtoolsthatenableyoutointeractwiththeworld,suchasIntelGalileoGen2,sensors,andotherhardware.Youwilllearnhowtoread,write,andconvertdigitalvaluestogenerateanalogoutputbyprogrammingPulseWidthModulation(PWM)inPython.Youwillgetfamiliarwiththecomplexcommunicationsystemincludedintheboard,soyoucaninteractwithanyshield,actuator,orsensor.Lateron,youwillnotonlyseehowtoworkwithdatareceivedfromthesensors,butalsoperformactionsbysendingthemtoaspecificshield.You'llbeabletoconnectyourIoTdevicetotheentireworld,byintegratingWiFi,Bluetooth,andInternetsettings.Witheverythingready,youwillseehowtoworkinrealtimeonyourIoTdeviceusingtheMQTTprotocolinpython.Bytheendofthebook,youwillbeabletodevelopIoTprototypeswithPython,libraries,andtools.StyleandapproachThisbooktakesatutorial-likeapproachwithmissioncriticalchapters.Theinitialchaptersareintroductionsthatsetthepremiseforusefulexamplescoveredinlaterchapters.

Gastón C. Hillar ·數(shù)據(jù)庫 ·8.6萬字

軟件成本度量國家標準實施指南:理論、方法與實踐
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為落實工業(yè)和信息化部優(yōu)化軟件產(chǎn)業(yè)環(huán)境的工作部署,進一步推動功能規(guī)模測量、軟件開發(fā)成本度量、軟件測試成本度量、IT運維成本度量和云服務計量指標等方面的標準推廣及深化應用,本書系統(tǒng)地闡述軟件成本度量理論體系,深入解讀軟件成本度量標準內(nèi)容及實施要點,結(jié)合不同場景及典型案例給出具體的應用指導。本書正文分5個部分,共11章。第一部分是軟件成本度量概述和軟件規(guī)模測量方法(第1~2章),第二部分是GB/T36964—2018《軟件工程軟件開發(fā)成本度量規(guī)范》標準解讀、實施指南和案例分析(第3~5章),第三部分是GB/T32911—2016《軟件測試成本度量規(guī)范》標準解讀、實施指南和案例分析(第6~8章),第四部分是其他軟件相關(guān)成本度量標準(第9~10章),對IT運維成本度量(國標在研)和GB/T37735—2019《信息技術(shù)云計算云服務計量指標》進行介紹,第五部分是軟件成本度量相關(guān)技術(shù)展望(第11章)。本書還包含5個附錄:附錄A中國軟件行業(yè)基準數(shù)據(jù)(2019年),該數(shù)據(jù)可作為軟件研發(fā)與測試成本測算的依據(jù);附錄B涉及本書標準實施的常見問題及回答(Q&A),附錄C標準術(shù)語和定義,附錄D快速功能點分析方法介紹,附錄E調(diào)整因子參數(shù)表。

張旸旸 ·數(shù)據(jù)庫 ·11.7萬字

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