8/3/2019 Celebrations Booklet
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CelebrationsYear 9 Electronic Engineering
RainfordHighTechnologyCollege
Personal Details:Name: ________________________________________ Form: ____________
Teacher: ________________________________________ Room: ____________
StartDate: ___________________ CompletionDate: ___________________
TargetLevel: ___________________
Credits: 1 2 3 4 5
Paste a photograph of yourfinished product here.
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RainfordHighTechnologyCollege Year9ElectronicEngineering
MMcLain A ril2009
Aims and outcomes of this project
The aims of this project are... togainaworkingknowledgeofProgrammableInterfaceControllers(PICs).
toselectappropriateinputandoutputcomponents. tointroduceelectronicengineeringandintermediate/
appropriatetechnology.
todevelopyourPrintedCircuitBoard(PCB)fabricationandpopulationskills.
By the end of this project... youwilldevelopagreaterunderstandingofsustainabledesignandthe3Rs(reduce,reuse,recycle).
youshouldhaveanincreasedawarenessofproductdesignanddesignissues.
youwillhavedesignedandmanufacturedahighqualityproductusingICTandCADCAM.
youwillhavedesignedaproductincorporatingaworkingcontrolsystem
Your design brief is... Yourdesignbriefistodesignandmanufactureonelectronicdeviceonthethemeofcelebrations.Youwillneedtoidentify
thetargetmarketforyourproductandconsiderthesustainable
useofmaterialsandcomponentsinyoursolution,whetherthisisthroughreduction,reuseand/orrecycling...
Initial specification...
(minimumrequirements1)
FUNCTION
Thesolutionwillcelebrateyourchosentheme2. ThesolutionmustincorporateaPICmicrocontroller. ThesolutionmustincorporatealeastoneLED.
AESTHETICS
Theproductshouldeyecatchingandpromotethe3Rsofsustainability.
CONSUMER
Theproductshouldbeaimedataspecificagerange3.
ENVIRONMENT
Thesolutionshouldconsiderthe3Rsofsustainability(Reduce,Reuse,Recycle).
1Youneedtoreviewanddevelopthesespecifications(onadesignfoliopage)yourspecificationshouldhavebetween2
and4pointsperheading.2Insertyourchoiceofthemeherewhenyourewriteyourspecification.
3Insertyourchosenagerangeherewhenyourewriteyourspecification.
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RainfordHighTechnologyCollege Year9ElectronicEngineering
MMcLain A ril2009
Lesson outlinesWeek 1: Introductiontoprojectandbrief. TaskanalysisMindmap(DF04). Developmentofdesignbrief,opportunitiesandsustainability
issues.
PCBpreparationdrill,deburranddressedges. PCBpopulationbeginningwithresistors(recaponresistorcolour
codes)
Week 6: Starter-Flowchartingexercise;rearrangingflowchartsymbolsinto
programmes(start,end,outputon,outputoff,decision,wait).
Demonstration:developingaprogramme(inputsandoutputsincludingsound).
Developmenttime:(a)developprogramme(DF10)and(b)developproductcasing.
Homework:Designaposterofthe3Rsofsustainability(reduce,reuse,recycle).
Homework:Catch-uponmissingwork(homeorclass)
Week 2: Conductasurvey(inagroup)usingtheclassasthepopulationand
thequestionnairecompletedforhomework.
Analysisofsurveyusingaspreadsheetandcharts(DF05). Developmentofproductdesignspecification(PDS)usinghandout
withtemplate(DF06). PCBpopulationincludingapplyingflyingleadstoanLED
(photographfornextlesson).
Discussreusableproducts(wholeclassandthink,pair,share).
Week 7: Briefing:chancetoasquestionsbeforeafulllessonofmanufacturing. Demonstration:developingaprogramme(advanced). Task:completeproductsbytheendofthelessonforTeacher
Assessmentnextlesson.
Beforebringingyourproductformarkingcompletethe3Rsaudit,selfassessyourworkandcompleteyourdesignfolio.
Homework:Createamoodboardofinspirationalimagesforyourtheme(DF02).
Homework:Evaluationofproductagainstyourspecifications,withmodifications(DF12).
Week 3: Starter:walkonthewildside(makinglinksbetweenideasand
themes)
PCBpopulationcompletePCB(withoneLED)andtestprogramme.
Componentinvestigation(DF03). SystemAnalysisandcircuitdiagramsketch2+systemideasand
circuitdiagram(DF08).
EvaluatePCBpopulation(fromphotograph).
Week 8: Endofunittest.30min. Peermarkingofendofunittest. Selfandpeerassessmentofpracticalwork. ChecklistsNationalCurriculumlevels(andGCSEDgrade) Photographyourproduct,printandpasttocoverpage. Completionofproduct,folioand/orextensiontasksbefore
presentation,toteacher,formarking.
Homework:Drawyoursystemideas(2+)foryourproduct-inputs/outputs(DF08).
Homework:Opportunitytoimproveandresubmitdesignfolio.
Week 4: Designideassketchideasforcelebrationicon&case/box(DF07). Reviewproductdesignspecification(PDS). CADDevelopcelebrationicon(DF09). PCBpopulationfinishoff,addingextracomponentsifnecessary. Introductiontoprogrammingbeginprogrammedevelopment.
Homework:Investigate3itemsthatcouldbereusedinyourproduct(DF01).
Week 5: Discussion:addingvaluetoproductcasing(standardorreused),
e.g.closures,strengthening,decoration
Demonstration:drillingandpreparingproductcasing(includingmountingthePCB,attachingaswitchandanLEDwithaclip).
Beginmodificationstoproductcasing Plenary:Think,pair,share(solutiontoproblems)
Homework:ProduceagraphicplanofmanufactureforyourPCB(DF11).
Design folio content:Alongsideyourpracticalwork,youwillneedtosubmitthedesignfoliosheetsbelow...
Research
DF01.Investigation:reduce,reuseandrecycle-investigatematerials/componentsaroundschoolorhomeforpossiblehousings
DF02.Moodboardcollageofinspirationalimagebasedonyourtheme.DF03.Componentinvestigation-tableofsymbols&descriptions.
Analysis
DF04.TaskanalysisMindmapoftask,researchareasandideasDF05.AnalysisofSurveygraphsofquestionnaireresultswithsummary.
Specification
DF06.ProductDesignSpecification-10-pointPDS,usingFACE(Function,Aesthetics,Consumer,Environment),withexplanations.
Generationofideas
DF07.Designideas-SketchesDF08.SystemIdeas2+differentsystemdiagrams(inputs/outputs)
Developmentofsolution
DF09.ProductdevelopmentCADDrawings(e.g.CelebrationIcon)DF10.Programmedevelopmentprintoutyourprogrammes,witha
briefexplanationshowinghowyoudevelopedandimprovedthem.
Planningformanufacture
DF11.Planofmanufacture:PCBpopulationTestingandevaluation
DF12.Evaluationofproductina3columntable,againstthespecifications(page2&DF05),identifyingmodifications.
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RainfordHighTechnologyCollege Year9ElectronicEngineering
MMcLain A ril2009
What is a system?
Figure1
Thebasicsystemforthecelebrationboxisshownbelow(Figure2).Labelthestage(input,processor
output)andthecomponentineachboxofthesystemdiagram.
Figure2
Therearetwomainkindsofsystem,theOpenLoop(Figures1and2)andClosedLoop(Figure3).The
openlooprunswhentriggeredbyaninput.Whereastheclosedloopiscontrolledbyfeedbackfrom
theoutput,sorunconstantlywithoutinterferencee.g.acentralheatingsystem.
Figure3
Task:
Completethesystem
diagram(right)fora
bicycle,showinghow
themovementis
transferredfromthe
ridertotheroad.
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RainfordHighTechnologyCollege Year9ElectronicEngineering
MMcLain A ril2009
Sustainable Design
Thereisalotoftalkaboutsustainabilityandtheenvironmentatthemoment.
Haveyoustoppedtothinkaboutwhatsustainabilitymeans?
Whatdoesthewordsustainmean(trylookinginadictionaryifyouareunsure)?
W5: who, what, when, where and why?
Sowhatdoesthismeanforthedesigner?UsetheW5questionstoanalysethewaysinwhich
sustainabilityaffectsus?
Who? What? Where? When? Why?
Sowhatdoesitmeantosustainablydesignaproduct?
The 3Rs: reduce, reuse, recycle
Therearemanythingsthatwecandotomakeourproductsmoresustainable.The3Rscanhelpuseto
rethinkourdesignideas.HowcanwebecomemoresustainabledesignersinD&Tlessonsusingthe3Rs?
Reduce Reuse Recycle
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RainfordHighTechnologyCollege Year9ElectronicEngineering
6 MMcLain A ril2009
Life Cycle Analysis
Theperiodbetweendesignandmanufactureofaproductonlyrepresentsasmallsectionofthelife
cycle4oftheproduct.Thereare6basicstagesintheLifeCycleofaproduct.Insertthecorrectstagein
eachoftheboxesbelow5
ConsiderthefollowingpartsofyourPrintedCircuitBoard,andidentifythematerialstheyaremade
from,therawmaterialthiscomesfromandplacesthattheysourcedfrom:
Item Material/Part Raw Material Source/Country
CelebrationIcon Lasercuticon(clear)
Solder
StrandedWire
Material/PartorRawMaterial(matchthewordsbelowtothecolumnsabove):
Conductor/Copper/PVC/Alloy/Lead/Insulator/Oil/Acrylic/Flux/Tin
4Formoreinformationgotohttp://www.envirowise.gov.uk/uk/Topics-and-Issues/Eco-Design.html
5Rearrangefromthesestages: Transport,RawMaterials,EndofLife,Use,Retail,Manufacture.
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RainfordHighTechnologyCollege Year9ElectronicEngineering
MMcLain A ril2009
Component investigation
Inthechartbelow,identify,describeanddrawthesymbolsforthecomponentsthatareavailablefor
useinyourcircuit.Rememberthatitisimportantthatsymbolsaredrawnneatlyandaccurately.
Component Image Description Symbol
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RainfordHighTechnologyCollege Year9ElectronicEngineering
8 MMcLain A ril2009
The Programmable Interface Controller (PIC)
Microcontrollershavem__________________to
storeap______________________ anda
p_________________tocontrolthe
i____________ando______________.
Microcontrollersareusuallypurchased
b__________andthenhaveaprogramme
d____________________ fromaPC.Aprogramme
isasetofi____________________thatcontrola
numberofinputsandoutputsinaspecific
s__________________.
Fillintheblanks,inpencil,usingthewordsbelow:
TheProgrammableInterfaceController(PIC)is
alsoknownasaMicrocontroller(literally,a
verysmallcontrollingdevice).Theycando
someofthefunctionsthatacomputer
(microprocessor),however,unlikeyourPC
theycanonlyperformoneoperationata
time.
Thef_______________(clockspeed)that
thePICweareusingis4MHz(M_________
H_________),whichmeansthatitcan
perform____________operationsevery
second.WhereasyourPCsprocessoris
measuredintermsofGHz(G______),whichis
____________timesthesizeofMHz.
Frequency
MegaHertz
4000
Giga
1000
Memory
Programme
Processor
Inputs
Outputs
Blank
Downloaded
Instructions
Sequence
Theillustrationopposite(Figure4)showsacut-awaydrawingof
anIC,withtheplasticbodyandmetallegs(thepackage).Notice
howtheactualcircuit(chip)isverysmallincompressiontothe
package.Whydothinkthisis?
Figure4
Itisimportanttobeabletoidentifythelegnumberson
anIC,sothatyouknowhowtoconnectitinacircuit.
Completethediagramontheright(Figure5),labelling
thepinnumbersandfunctions.
LegFunctionsofthe8PinPIC:
+Volts
OVolts
Transmit
Receive
Pin1(LED)
Pin2(LEDoptional
Pin3(Input)
Pin4(Soundoptional)
Figure5
Note:theIntegratedCircuit(IC)isinaDual-in-line(DIL)package
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RainfordHighTechnologyCollege Year9ElectronicEngineering
MMcLain A ril2009 9
Programming
Acomputerprogrammeisasetofinstructionswrittenincomputerlanguage(e.g.BASIC,C++etc.).This
isknownassoftware;thedevice(s)storingtheprogrammeandprocessingtheinstructions(called
commands)arehardware.Therearetwobasicformsofprogramme,highlevelandlowlevel.High-levelprogrammingusescomputerlanguages,whereaslowlevelprogrammingusesgraphicalsymbolsto
representthecommands.Oneofthemostcommonkindsoflow-levelprogrammeusesflowcharts.
Describethefunctionofeachoftheflowchartsymbolsbelow:
Programme1:
ThisprogrammemakesanLEDflash(themain
LEDonyourcircuitboardisoutput1)
Programme2:
Thisprogrammereplacesthedelaysbetweenthe
highandlowcommandswithsound
commands(thepiezoisoptionalandconnected
tooutput4)
YouwillbeprogrammingyourPICmicrocontrollerusingCircuitWizard
START START
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RainfordHighTechnologyCollege Year9ElectronicEngineering
1 MMcLain A ril2009
Programming continued
Formoreadvancedprogrammesyouwillwanttocontrol
theflow/sequence6.Therearethreeconcepts
7thatyou
willwanttoconsider:multipledecisions,subroutinesandfornextloops.ThebasiccircuitfortheCelebration
Box,shownbelow,hasapushswitchinput(input3)andan
LEDoutput(output1)8.
MultipleDecisions
Ifyouwanttobeableto
controlanoutputbyusingthe
pushswitchtopushonand
pushoffyoucanputa
diamonddecisionboxatthe
beginningandtheendofthe
sequence.However,youMUST
putadelay(0.5sec)afterthe
pushofftogiveyoutimeto
moveyourfingeroftheswitch
beforetheprogramme
restarts!
Notes:
Subroutines
Themainprogramme(left)
showsadiamonddecisionbox
controllingasubroutinecalloutbox.Thismeansthatyou
canuseastandardmain
programmeandexperiment
withdifferentsubroutines
(right).
Notes:
FornextLoops
Ifyouwanttorepeatthesame
actionaspecificnumberof
times,youcanuseaFor
nextloop.Thesequence
betweenForandtheEnd
Loopcommandsisrepeated
forthenumberofloops
selected(e.g.=1to10repeat
10times).Aftertheset
numberofrepetitionsthe
programmeflowmoveson,in
theexampleoppositeto
Start.
Notes:
6Theorder.7Programmingideas.
8Optionalextras:Piezosounder (output4)andadditional LED(output2).
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RainfordHighTechnologyCollege Year9ElectronicEngineering
MMcLain A ril2009 11
Designing the product
ThebasicCelebrationBoxconceptusesalasercutacrylictemplatetotheboxandaclearacrylicicon
Labelthediagramsabove,andsuggestimprovements(below)thatcouldbemadetotheconcept.
Considerthe3Rsofsustainabledesign
Examples:
TheCelebrationBoxes,below,havebeenmanufacturedbymodifyingandreusinghouseholdwaste
products.Identifyandlabelthekeyfeaturesthatyoucanobservefromtheimages
Plasticwaterbottle Bakedbeantin
Whatproduct/itemcouldyoureusetomakethecaseforyourCelebrationBox?
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RainfordHighTechnologyCollege Year9ElectronicEngineering
1 MMcLain A ril2009
Extension Tasks and ChecklistExtension Tasks:
Ifyouareaheadofschedule,oryourteacherisabsent,workthroughthetasksbelow:
CompleteanyoftheFOLIOpagesdescribedonpage3.
Completeanysectionsofthisbookletthatyouareableto(inpencil).
Createanameforyourproductandacompanynameandlogo.
Usingthenameandlogofromthetaskabove,designapostertopromoteyourproduct.
Designasafetyposterforoneofthemanufacturingmethodsyouhaveusedinthis
project(e.g.soldering,drillingetc.)
Sketchandlabel5ofthetoolsthatyouhaveusedinthisproject.
Produceanisometricdrawingofyourfinishedproduct.
Produceanexplodedisometricdrawingofyourfinishproduct,withlabels.
Writeausermanualtoexplainhowtouseanelectronicproductthatyouarefamiliarwith.
IfyouhaveaccesstoaPC
Investigate3productsthathavesimilarfeaturesorthemestoyourproduct,evaluate
themandidentifyanythingthatgivesyouideas
foryourownproduct.
InvestigateMicrocontrollersonwww.howstuffworks.comandproducea
PowerPointslideshowtoexplainthemtoa
groupofyear8students.
BeforePICMicrocontrollersschoolsusedICslikethe555timer.Findoutwhata555timer
doesonwww.doctronics.co.uk/555.htmand
produceapostertoexplain.
Checklist:
Beforeyoubringingyourproducttoyourteacherforassessment,workthroughthechecklistbelow:
Haveyoucompletedallsectionsofthisbooklet?
HaveyoucompletedyourSustainabilityAuditonpage13?
HaveyoucompletedalltheDesignFoliopagesdescribeonpage3?
Isyourproductcompleted,testedandprogrammed?
Haveyouprintedoutyourprogrammetoshowyourteacher?
Vocabulary:
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RainfordHighTechnologyCollege Year9ElectronicEngineering
MMcLain A ril2009 1
Sustainability Audit
Giveyourselfamarkbetween0and2,toindicatehoweffectively
youhavemetthecriteriabelow.Thenask2colleaguestodothe
same,andtotal
Criteria You
Collea
gue1
Collea
gue2
TOTAL
Notes
Ihaveusedtheminimumcomponentspossible.
Mysolderingisneatwithnoexcesssolder.
Mysolderjointsarevolcanoshaped,notdomed.
Theflyingleadsonmycomponentsareshort. Reduce
Ihavereducedthematerialsinmyproduct.
Myproductismadebyreusingamaterial/product
Ihaveusedreclaimedelectroniccomponents.
Myproductisreusable.
MyproducthasalongLifeCycle9.
Reuse
Myproductencouragestheusertoreusemyproduct.
Myproductismadeusingrecycledmaterials.
Myproductcouldbeeasilydisassembled.
Thewastematerialsfrommyproductcanberecycled.
Ihaveputmywastematerialsintoarecyclingscheme. Recycle
Myproductencouragestheusertorecycle.
Overall Total: Out of 90
How sustainable is your product? Explain
9Itwillbeusedforandlastalongtime.
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RainfordHighTechnologyCollege Year9ElectronicEngineering
1 MMcLain A ril2009
RainfordHighTechnologyCollege-TechnologyDepartment
ElectronicEngineering-EndofUnitAssessmentSheet
Name: Form:
UnitResults: EffortGrading:
TargetLevel
Excellent
Verygood DesignLevel
Good
Satisfactory PracticalLevel
Poor
Unsatisfactory
ExaminationScore %
PeerAssessment: L M H
1.Functionalityoftheproduct(e.g.effectiveprogramming,easeofuseetc)
2.Sustainabilityoffinishedproduct(e.g.reusedmaterials,reducedwasteetc)
3.QualityofPrintedCircuitBoardpopulation(soldering)andassembly(wires)
SignatureofPeerAssessor:.......................................................................Date: ......./......./.......
StudentSetTarget:
TargetCompleted:
TeacherSetTargets:
Toproduceaneffective,programmed,electronicproductreflectingorpromotingthe3Rs.
TeacherAssessment: TeacherChecking:
(Teacherssignature)
Verbalfeedbackgivenonpractical: Yes No
......./......./.......(Date)