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00. FA20 Hyunho
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01. Principles and Practices, Project management
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02. Computer-Aided design
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03. Computer controlled cutting
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04. Electronics production
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05. 3D Scanning and printing
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06. Electronics design
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07. Computer controlled machining
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08. Embedded programming
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09. Input devices
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10. Applications and implications
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11. Output devices
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12. Interface and application programming
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13. Invention, intellectual property, and income
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14. Networking and communications
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15. Molding and casting
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16. Wildcard week
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17. Mechanical design, Machine design
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18. Project development
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19. Final Project
Week17
MTM!
Group Assignment Link
Assignment
[Presentation link]
Making Video
It's a video that I edit as a PremierPro
Jung-hwan helped me with the shoot
We agreed to make a drawing machine on the wall on last Saturday
We are divided into hardware team and software team and I am hardware team
My role in group work - Video Imaging and Editing, Collecting hardware team documents and documenting groupwork, Create BOM, Design the frame concept, Motor Support Unit Design, Exterior Frame Assembly
It's a black wall at the entrance of our fablab
It's going to be the drawing paper for our machine
[We refer to the XY Plotter Drawing Robot made by MertArduino link]
First, I modeled and shared a simple frame structure
frame with finished 12T plywood
[Visit this site to see the process of creating frames with shopbots link]
We have selected chalk as a drawing tool
But the chalk has to keep pressing and it burns very fast
After much consideration, I found a liquid type of chalk and bought it
Motor fastener to frame with 3d printer
The size doesn't fit
Re-designed to fit the motor size
Screw it in place
He put wheels on the move to draw pictures
We attached heavy weights on both sides for tension
This is our wall drawing machine
Our machine-drawed puppy
But the wire wasn't clean because it was fast
We retested the process at a reduced speed
But the ratio has changed
It's a problem with core XY
We tested it with a test model to solve core XY
And we decided Instead of adding weight, to add 2 motors
New Motor Fixture Design Process
Added a small phrase
The printout took two hours
The size of the screw hole is small
∅ 3mm > 4mm
Added pulleys for new motors
Please check our group work for the final result
File