另一种PCB快速原型法(三)
Step3DrillingtheholesCutanappropriatelysizedpieceofcoppercladboardforthedesignthatyoumade.Youdonthavetoscruborcleantheboardupyetatthispoint.Whatwewanttodohereistousetheveroboardasatemplatetodrillalltheholesneededforthecomponents.Holdupboththeve
发表于 2011/6/4 上午12:06:57
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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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另一种PCB快速原型法(一)
AnotherQuickPCBPrototypingMethodThisInstructableispartofmyCurrentRegulatedLEDTesterIusethismethodwhenIneedtomakeaPCBthatssimple,proof-of-concept,andquick.Thismethodisgenerallyrestrictedtomakingthrough-holecomponentPCBs.Idontusuallyl
发表于 2011/6/3 下午11:48:16
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自作一个高性能的三基色LED控制器(八)
Step13Themountinghardware.Iliketomakemykitsascompleteaspossible,sothisoneevencomeswithfourmountingpillarsandscrewstoletyouattachittoapanelormountitintoanenclosure.EvenifyouintendtoleaveitoutonyourbenchIdrecommendatleastclippingtheplasticspacers
发表于 2011/6/3 下午3:37:20
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自作一个高性能的三基色LED控制器(七)
Step11InstallingthepowerMOSFETs.TheMOSFETsaresolderedinwiththeirmetaltabsfacingthesideofthePCBwiththediodeasshown.Ithelpstosolderthemiddleleadofeach,thencarefullylinethemallupbeforesolderingtheotherleads.Step12Fittingtheprocessor.Th
发表于 2011/6/3 下午3:19:16
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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(五)
Step7Addingtheelectrolyticcapacitor.Thepurposeoftheelectrolyticcapacitoristosmoothoutanyrippleorglitchesonthepowersupply.Thecircuitryderivesitsown5Vsupplyfromthemainpowersupplyanditsusefultohaveasmallreservoirtorideoutanydipsorglitchesthatmaybe
发表于 2011/6/3 下午3:08:11
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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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自作一个高性能的三基色LED控制器(二)
Step1Startingconstruction.WhenIdesignPCBsIalwaystrytomakethemsinglesidedwithbigchunkypadsandtracks.Thismakesthemmucheasiertobuild,modifyandrepair.Thedownsidetothisisthatsometimeslinksareneeded,butwithabitofcareyoucanminimisethenumberrequired.Th
发表于 2011/6/2 下午11:34:11
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自作一个高性能的三基色LED控制器(一)
BuildabetterRGBLEDcontroller.ThisRGBLEDcontrollerkitissomewhatdifferenttootherofferingsonthenet.Whereasmostothersuseasinglebuttontostepthroughshortpre-programmedloopsthiscontrollerisintelligentenoughtounderstanddifferentcolourpalletesandgenerat
发表于 2011/6/2 下午11:31:49
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PIC烧写器JDM2(四)
Step3USETheprogrammerwillworkwithanyprogrammingsoftwarethatsupportstheJDM2.IlikeWinPic800(LINK:http://perso.wanadoo.es/siscobf/winpic800.htm),andWinPICalsodeservescreditforthegreattechnicalsupportinfo(LINK:http://www.qsl.net/dl4yhf/winpic
发表于 2011/6/2 上午11:12:36
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PIC烧写器JDM2(三)
Step2ConstructionThetracesinthisdesignareniceandfatforeasytonertransfer(orlazyphotoboards).IstartedmakingPCBwiththeTTmethod,butfounditprettytedious.A$10investmentgotmestartedwithphotoPCBs(usinginkjettransparencypositives).Iwillnevergoback
发表于 2011/6/2 上午11:04:40
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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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