from a design idea to a finished projectseniord.ece.iastate.edu/s20talks/491s20_01_21_harker.pdf ·...
TRANSCRIPT
![Page 1: From a design idea to a finished projectseniord.ece.iastate.edu/s20talks/491S20_01_21_Harker.pdf · finished project. Beginning of a brain-storming session. You are telling a story](https://reader034.vdocuments.site/reader034/viewer/2022042811/5fa51fd732578e1cf522f4ae/html5/thumbnails/1.jpg)
From a design
idea to a
finished
project
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Beginning
of a brain-
storming
session
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You are telling a story
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It’s the process you’re developing
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Not quite ready for prime time
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Keep the fire extinguisher handy!
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Messy first, second or third
prototype
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Lets shoot for this.
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Or this…
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Or possibly this.
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Planning for completion
• Time management (everything takes longer)
• Get from paper to real world
• Ask questions, feedback & share
• Stuff you didn’t learn in class
• Develop new skills you never needed
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Schematic (accurate & complete)
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PCB (not complete)
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PCB (accurate & complete)
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Bill of Materials
(accurate & complete)
iRobot LCD PCB Revised: Friday, August 08, 2008
080612_iRobot_LCD Revision:
Bill Of Materials August 31,2010 14:16:51
Item Qty. Ref. Cost Part Supplier Supplier#
1 1 DSP1 $ 24.00 NHD-0420H1Z-FSW-GBW Mouser 763-NHD0420H1ZFSWGBW
2 6 D4,D5,D6,D7,D8,D9 $ 0.35 LED Digi-Key L71505CT-ND
3 1 ENC1 $ 21.00 EC11B2024305 Mouser 688-EC11B2024305
4 1 J18 $ 2.50 CON20AP Digi-Key MHB20K-ND
5 12 R8,R9,R10,R11,R12,R13, $ 0.10 220 DIGI-KEY P220ACT-ND
R14,R15,R18,R20,R21,R22
6 3 R16,R17,R19 $ 0.10 1K DIGI-KEY P1.0KACT-ND
7 6 SW1,SW2,SW3,SW4,SW5,SW6 $ 0.15 SW PB Digi-Key CKN9071-ND
8 1 VRES1 $ 2.75 10K Digi-Key 3214J-103CT-ND
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Planning for completion
• Where will it live?
• Component selection
• Associated technologies
• Budget
• Testing, testing, testing
• Documentation (you’ll thank yourself later)
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Surface Mount
Components
Through Hole
Components
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Large PCB and Chassis
Mount Components
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Part Selection for 10K Resistor
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Re-chargeable Batteries
Coil Cells Alkaline Cells
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Audio, Video
& Computer
Connectors
RF
Connectors
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Enclosure Examples
Colorful hand-held See through Heavy duty chassis
Steel chassis Benchtop instrument Weather-proof
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Customized Enclosures
Laser cut
acrylic panel
Laser or CNC
cut enclosures
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How to get there
• Create an accurate model with Inventor or
Solidworks or other CAD software.
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• Use the files created for the model with CNC tools.
• Plastics and thin wood can be cut and etched with a laser cutter.
• Metals, plastics and wood can be cut with a CNC mill or waterjet cutter.
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Results you can achieve with planning and some effort.
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Manufacturing Technologies
Laser Cutter
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Manufacturing Technologies
CNC Milling Machine
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Manufacturing Technologies
Waterjet Cutter
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Manufacturing Technologies
3D Printer
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• Documentation
(you’ll thank yourself later)
• Create a user’s manual that anyone
could use.
Final Thoughts
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Electronics, mechanics, fluids, mixology and psychology.
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• Parts Distributors*Digikey.com *Grainger.com
*Newark.com Mouser.com
Jameco.com MPJA.com
McMastercarr.com Sparkfun.com
*These are ISU contract suppliers.
• Shops on campus1301 Coover (hand tools)
1316 Coover (hand tools & power tools)
1331 Coover ETG (parts, parts ordering & project advice)
1260 Hoover Boyd Lab (power tools & 3D printer)
426 Design (laser cutters & 3D printer)
1209 Sukup (waterjet cutting)
Resources