Parts Express 320-291 User manual
TheashingChristmastreekitismadeupofthreecircuitboards.Assembleandsoldersothat36clearLEDsash
multiplecolorsalternately,presentingthethree-dimensionaloutlineoftheChristmastree(betterviewingatnight).
PleasebesuretoreadallofthestepsinthemanualthoroughlybeforestartingtheassemblyoftheChristmasTreeKit.
Assembly process:
1.) SolderingChristmasTreecircuitboard(abbreviatedasBoardA).IdentifyAbyndingthe“2PH88566A”orthe
Treewiththeslotstartingfromthetop.Matchthecolorcodeonthepictureswiththecorrectresistors.
a.) SolderBrown,black,orange10Kresistors(R1R3R5R7)
b.)
SolderaRed,Black,RedresistortoR2,aBrown,BlackRedtoR4,andanOrange,Orange,Brownresistor
toR6.
3D Color Changing LED Christmas Tree Kit
Assembly Instructions
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c.) Solder3transistors,bendingthecomponentsbeforesoldering(otherwisetheywon’tbeabletolayush
ifsolderedrst).Makesuretomatchtheshapeofthetransistorstotheshapeprintedontheboard.
d.) Solder3+47uFelectrolyticcapacitors(bendingthecomponentsbeforesoldering,otherwise,theywon’t
beabletolayushifsolderedrst).Makesuretomatchtheshapetotheprintedshapeontheboard.
Thelongterminalispositive,theshortterminalisnegative.
i.) Firstestimatethecapacitorpinfromwhichpositiontodo90°bend
ii.) Afterfoldingthepin,insertitintothecorrespondinghole(payattentiontotheinstallationdirection,
matchingtheshapeoftheboard).
iii.)Bendthecapacitorpin90°inthecorrectdirectionandthensolderit
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e.) SolderingLEDlights(matchingtheshapeoftheboard),numberedD1~D18.(Thesquarepadofcircuit
boardispositive,andthelongpinofLEDispositive
i.) FirstestimatetheLEDpinfromwhichpositiontodo90°bending
ii.) Afterfoldingthepin,insertitintothecorrespondinghole(payattentiontotheinstallationdirection)
iii.)BendtheLEDpin90°inthecorrectdirectionandthensolderit
ThesolderingofBoardAiscompleted.
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2.) Next,usethesamedirectiontosoldertheBcircuitboard,referredtoasBoardB.Therearetwodierent
installationpositionsofcomponentsfortheBoardAandB(justinstallaccordingtothelocationonthe
componentlist)
a.) R2isorange,orange,brown,R4isred,black,redandR6isbrown,black,red.Theremainingresistors’
locationsarebrown,black,orange(R1,R3,R5).
b.) Soldertransistors,capacitorsandLEDslikeboardA.
c.) AfterBoardAandBoardBaresoldered,youcanpowerontotestwhetherthetwoboardscanglowand
ickernormally.AfterbothAandBashnormally,continuewiththefollowingsteps.
(AfterboardsAandBaresoldered,connecttoavoltageofabout4.5Vrespectively,conrmthatalltheLEDlights
canashnormally,andthencontinuethefollowingsteps)
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Board A Board B
3.) SolderingCTR-30Ccircuitboard,referredtoasBoardC
a.) Soldering1DCsocket(matchingtheshapeoftheboard)
b.) AftertheDCsocketissoldered,thepinsneedtobecutasshortaspossibletopreventaectingthe
installationofthebatteryboxbehind.(ReinforcetheDCsocketwiththecutcomponentpins)ina“U”
shapeifyouplanonusingitinsteadofbatteries.
c.) Soldering1keyswitchwiththenotchfacingout.Ifyoucannotndthenotch,clickthepushbuttonto
maketheswitchpopup.
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Switch notch outward
d.) CombinationofboardAandBoardB(withdirection,positioningthearrowsofthetwoboardsareas
shownbelow)afterthetwopositioningarrowsarealigned,solderthetwoboardstogetherwitha
solderingiron
i.) Alignthetwopositioningarrowsrst
ii.) Solderthetwoboardswithtinwire
iii.)ThepositioningarrowsofboardAandboardBareshownintheenlargedpictureontheupperleft
e.) CombinationofthebatteryboxandBoardC
i.) PassthebatteryboxwireoutofthebottomofboardCaccordingtothecorrespondingpolarity
ii.) Reserveacertainlengthofwire,cutotheexcesswire
iii.)Solderthebatteryboxwire--matching+red,-black
iv.) Combinethebatteryboxwithscrewsandnuts
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5.) Combinationofthepre-assembledBoardAandBtoBoardCpositioningthepowerpolaritycorrectlywith
positiveoverpositivelikeshownbelow
6.) SolderthetoponeLEDlonglead+withsquaresolderjoint
NowyourChristmasTreeiscomplete,thenishedpictureisasfollows:
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Finished product and diagram of each interface and key:
© Parts Express®Last Revised: 11/1/2021
Specications:
Workingvoltage:DC4.5-5V
Powersupply:3AAbatteriesor5VDCUSBpower
Dimension:2.36”x2.36”x5.35”(60mm*60mm*136mm)
Two power supply methods:
1.) 3 AA batteries (sold separately)
2.) External 5 VDC USB-A power supply/port
(sold separately)
3 AA batteries
Power indicator
Power switch
External 5V
power supply
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