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ENGG1015 Tutorial
Information and Hints for the ProjectNo class (Supplementary notes)Learning Objectives
Give a draft plan for the projectIdentify components that can be used in you project (Build a Rube Goldberg Machine)
NewsMid term presentationTA consultationLab access
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Hints for the project
1. Be Safe!2. Save your time and effort3. Meet the min. requirement
Min no. of stages: 4-5 stages in seriesLimited stock, limited componentsStart: Press the button; End: Pop up the balloon
4. Robust design5. Try something crazy/creative
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Hints for the project
Clear alignmentCome up a project theme
Christmas? Theme Park? Letter World?Set up a common goal
You want a A/C/E? You want to have fund?Set up a group working session
Make everyone will contributeSet up schedule and milestone
Practical?Find out the allowed resources
(Electrical) components, time, skills, number of stagesThink and evaluate some actions/mechanisms
Robust? Fancy? Difficult in implementation? Difficult to link to other mechanisms?Any (easier) alternatives if the mechanisms fail?
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Questions for inspirations
(4W1H) Who/When/What/Why/HowHow to push/pull/move/rotate the object?How to trigger the switch/sensor?How to do counting?How to do switching?How to pop up the balloon?How to use the fan?
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Lab Access
Location: CYC Bld. Rm. LG 205Time: 0900 – 2300Login Password: Four digit CSS password
Shown in the UNIX account information sheetCan be checked through HKUEEE webmail system https://ip-1102.eee.hku.hk/horde/imp/
Login “My Account” “My Account” CSS P/WConsult HKUEEE Computer Service Group (CYC 804) for HKUEEE webmail login problem
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Step 1Step 2
Step 3
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Electrical switches
On/Off switchButton for Stage 1 (Required)
Two terminals for lighting and two terminals for switchingNO
Reed switchNon-contact switch
Operated by magnetic fluxNC/NO
Touch switchContact switch
Operated by pressingNC/NO
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Electrical switches
Solid state relay switchCircuit isolationControlled by input PENO
Double pole, double throw (DPDT) relay
Timer: different time scale / different switching modeRelay: circuit isolationControlled by input PENeed a socketNC/NO
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Electrical sensors
QTI sensorBlocking sensorNeed a connection cable
Rotation VRRotation sensor
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Electrical drivers
SpeakerSound/vibration generation
SolenoidMagnetic controlled valveSwitch off normally
Cooling fanWind movement
MotorRotation movement / moving
Lamp / LEDLighting effectConnect LED with a resistor
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Jointing
Board12"x48“ (Base), 2"x48“, 1"x48"
Bracket (Angle/Straight)Strong fix joint between boardsDifferent size
HingeMovable joint between boards
Cable tie and cable mountWeak fix joint betweencomponents
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Miscellaneous
Terminal boardConnecting between wires and electrical components
Metal ballStages triggering
Metal pulley, sloted wheeleye hook, Wheeled castor
Pulley, conveyor belt, sling …
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Order purchasing
Fill in a order purchasing formGet the component from the technician after one weekLimited stock, limited budget, limited parts
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Projects from 2010 Class
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Projects from 2010 Class
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Projects from 2010 Class
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The Most “Liked” Project
Award for the most favorite projectUpload the video of your machine complete operation to the ENGG1015 Facebook (FB) page
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The Most “Liked” Project
Template for the post project videoGroup name: (Group name)Bench number: (Bench number)Students: (Student 1, Student 2, ...)
We will only count thenumber of "Like" of yourvideo in the FB pageWe will use the statisticsin 28 Nov 11AM forcounting
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The Most “Liked” Project
Students are encouraged to"Like" your own projectask your friends to "Like" your projectpost your video online to ask others to know and "Like" your projectFinish the project earlier to let others like you
Winner Prize: TBAInstructors and TAs have the final authority to judge and change the rules