另一种PCB快速原型法（三）
Step3DrillingtheholesCutanappropriatelysizedpieceofcoppercladboardforthedesignthatyoumade.Youdonthavetoscruborcleantheboardupyetatthispoint.Whatwewanttodohereistousetheveroboardasatemplatetodrillalltheholesneededforthecomponents.Holdupboththeve
发表于 6/4/2011 12:06:57 AM
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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 6/3/2011 11:56:35 PM
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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 6/3/2011 11:48:16 PM
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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 6/3/2011 3:37:20 PM
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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 6/3/2011 3:19:16 PM
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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 6/3/2011 3:16:08 PM
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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 6/3/2011 3:08:11 PM
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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 6/2/2011 11:40:53 PM
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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 6/2/2011 11:37:19 PM
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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 6/2/2011 11:34:11 PM
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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 6/2/2011 11:31:49 PM
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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 6/2/2011 11:12:36 AM
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PIC烧写器JDM2（三）
Step2ConstructionThetracesinthisdesignareniceandfatforeasytonertransfer(orlazyphotoboards).IstartedmakingPCBwiththeTTmethod,butfounditprettytedious.A$10investmentgotmestartedwithphotoPCBs(usinginkjettransparencypositives).Iwillnevergoback
发表于 6/2/2011 11:04:40 AM
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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 6/2/2011 11:01:16 AM
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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 6/2/2011 10:51:38 AM
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