LED发光音乐盒（二）
Step2TakecoversoffFirst,makesureyouhaveeverything.PutitalltoonesideandjustkeeptheLEDcontrollersandsoundcontroller.Takethecoversoffthese,butbecareful.Groundyourselffirstsothatnocircuitboardsareblown.Wearegoingtotakethemoutsothatallthecircuitsare
发表于 2011/6/4 上午8:47:46
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另一种PCB快速原型法（二）
Step2PCBdesignThefirsttaskistodesignyourlayout.Thereisoneconstrainwhenusingthismethod.Thecomponents,ormoreaccuratelytheleadsofthecomponents,mustbestrictlyplacedona0.1"grid.Thisisbecausewellbeusingaveroboardasatemplateandifyourdesignwontfit
发表于 2011/6/3 下午11:56:35
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自作一个高性能的三基色LED控制器（六）
Step9Installingtheterminalblock.ThisisoneofthemostexpensivecomponentsonthePCB.Itisaruggedindustrialratedconnectionblockforattachingwireseasilytothemodule.Thisparticularonehaswhatarecalledrisingclampterminalswhichmakesthemveryeasytoputwire
发表于 2011/6/3 下午3:16:08
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自作一个高性能的三基色LED控制器（四）
Step5ThepowerindicatorLED.ThepowerindicatorLEDwillonlylightifitisinstalledthecorrectwayround,sonotethatthePCBpositionhasa"+"symboltoindicatethelonglead(theanode).LEDsgenerallyhavealongerpositiveleadandasmallflatsurfaceonthenegativesid
发表于 2011/6/2 下午11:40:53
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自作一个高性能的三基色LED控制器（三）
Step3Addingtheresistors.Therearefourresistorstoinstallandtokeepthingssimpletheyareallthesamevalue-1000ohms.Theyarenotpolaritysensitive,socanbeinsertedanywayround.Perfectionistsmightliketomakethecolourbandsallreadinthesamedirection.Thegrou
发表于 2011/6/2 下午11:37:19
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PIC烧写器JDM2（二）
Step1DesignenhancementsClockandDataFilter:NewerPICsareprogrammedsofastthattheclockanddatalinescanexperiencecross-talk.AccordingtotheauthorofWinPicprogrammingsoftware(http://www.qsl.net/dl4yhf/winpic/):"TherewasanoteontheMicrochipforum(byOl
发表于 2011/6/2 上午11:01:16
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PIC烧写器JDM2（一）
JDM2basedPICProgrammerSchematic&layoutforanupdatedJDM2PICProgrammer.Includesclock&datafilter,VppvoltagedividerformodernPICmicrocontrollers(egUSBPIC18F2455/4455).Priortoreadingsiteslikewww.hackaday.com&www.makezine.com/blogIhad
发表于 2011/6/2 上午10:51:38
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通用射频按键（七）
Step7ProgrammingtheMicroIusedastandard6pinheadermountedonthePCBtoallowaFTDI5VUSB-232cabletobeusedtoprogramthechipin-situ-thiswasespeciallyimportant,astheATMegachipissoldereddirectlytothePCB,soitcouldntberemovedforinsertionintoanormalArduinoPCB-
发表于 2011/6/1 下午10:58:46
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通用射频按键（六）
Step6MountingthecomponentsTokeeptheprojectthesamesizeasanormalproxcard,IdecidedtomakeitonasmallPCBthatwasthesamesizeasabusinesscard.IdecidedtousesurfacemountpushbuttonsthatIbroughtfromeBay,sothatmeantthatallofthecomponentsmustbesolderedontothec
发表于 2011/6/1 上午10:53:50
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通用射频按键（五）
Step4TheSoftware-EnteringdataintoourcardThesoftwarewasnext.UsingtheArduinoIDE,IimplementedasimplemenusystemthatallowedmetoentertherelevantfacilityandCardIDdatadirectlyfromthekeypad.IalsoprovidedawayofdisplayingthedatausingtheL
发表于 2011/6/1 上午10:42:08
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通用射频按键（四）
Step3Howdoweemulateacard?Sothenextstepwastoidentifyhowtopretendtobeacard-IwantedacardthatIcouldtypeacardnumberinto,soithadtohaveamicroprocessoronit,waswellasakeypadtoallowthedatatobekeyedin.TheATMegamanipulatesthe125kHzRFfieldbyusingabrid
发表于 2011/6/1 上午10:39:17
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通用射频按键（二）
Step1HowdoesRFIDwork?RFID,orRadioFrequencyIDentificationisthetermusedtodescribeawidevarietyofstandardsthatallowdatastoredwithinelectronictagstobereadbyareaderwithoutusingwires.Thereareanumberofstandards,encodingformats,andfrequenciesincom
发表于 2011/5/31 下午8:00:33
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通用射频按键（一）
AUniversalRFIDKeyRFIDprojectshavebeenprettyprominentrecently,rangingfromprojectshereinInstructables,toourlocalSiliconChipmagazineinAustraliapublishingaRFIDdoorlockprojectintheirNovemberissue.EvenIrecentlypurchasedaRFIDdoorlockoneBayfor$15
发表于 2011/5/31 下午7:57:01
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LED星型发光时钟（六）
Step5AttachtheDriverorResistorstotheLEDsIfaLEDcontrollerisbeingused:-ConstructyourdriverusingThisInstructableorOneofyourchoosing.-SolderthewireleadsoftheLEDsintotheircorrectholesonthedriver.IfsingleColorLEDsarebeingused:
发表于 2011/5/31 上午10:09:55
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海绵+氯化铁=1分钟完成PCB雕刻（四）
Step4CleanUp(NotMuchToDo)Thecleanupreallyisjustamatterofrinsingoutthesponge,throwingawaytherubbergloves(orrinsingthemoffforreuse),andcleaninganyspilleddropsofferricchloridefromtheworksurface.Youcanreusethespongeoverandover,sorinseitandletitdry,
发表于 2011/5/30 下午1:01:43
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