Build Stuff 2017 Presentation

1. The Process of Shipping
Hardware Products
Hardware Tales for Software Engineers
Omer Kilic | @OmerK
Build Stuff 2017, 2017/11/16

2. http://omer.kilic.name

3. Agenda
• Hardware Landscape
• The 5 Stages of Hardware Development
• Formalised Process for Product Development
• Case Study: RFID Attendance Monitor
• Particular focus on Electronics Design

4. “Hardware is Easy”

6. “Hardware is Easy”

7. Desktop Manufacturing

8. Hardware Development Lifecycle
Specification Proof of Concept Engineering Prototype mkX Product
Just focusing on hardware alone

9. https://blog.bolt.io/the-illustrated-guide-to-product-development-part-1-ideation-ab797df1dac7
From the “Illustrated Guide to Product Development, Pt 1” by Ben Einstein of @BoltVC

10. Ideation

11. Design

12. Engineering

13. Validation

14. Case Study: RFID Attendance Monitor
• Objective: Replace the error-prone and admin-heavy paper copy
attendance monitoring system used in lecture halls with an automated
system, utilising the RFID enabled student ID cards.
• Volume: A couple of hundred units
• Budget: 🤔
🤔

15. https://blog.bolt.io/the-illustrated-guide-to-product-development-part-1-ideation-ab797df1dac7
From the “Illustrated Guide to Product Development, Pt 1” by Ben Einstein of @BoltVC

16. Functional Spec

18. https://blog.bolt.io/the-illustrated-guide-to-product-development-part-1-ideation-ab797df1dac7
From the “Illustrated Guide to Product Development, Pt 1” by Ben Einstein of @BoltVC

23. Component Selection Criteria
● Packaging
● MOQ
● Second Sourcing
● Part Obsolescence
● Lead Times
● Logistics (Import duties, Customs processing
delays, US Export regulations, etc)
● Supplier Reputation (Counterfeit components)

24. Bill of Materials

25. “Eurocircuits - how to make a 4-layer PCB”
https://www.youtube.com/watch?v=sIV0icM_Ujo

26. PCB Gotchas
● DFM footprints
● Mirrored footprints
● Spacing/Clearances
● Panelization
● Fiducials

29. README.txt
device.max gerbers
<date> - <revision>
Files included:
DEVICE.BOT - Copper bottom
...
thruhole.tap - NC Drill file
- Board outline is defined in top silkscreen, please route to border.
- Please enlarge soldermask pads to fit your clearances as necessary
- Please remove overlapping silkscreen segments on copper (i.e: silkscreen should not cover pads)
- Mounting holes are specified as same pad size on drill and copper layers, these should be non-PTH
For questions please contact:
<contact details>

31. Lots o' docs
● Spec documents
● Bill of Materials
● Schematic
● Layout
● Datasheets
● Prototype Notes
● 3D model data
● Measurements
● Mechanical Data
● Product Notes

33. Revision 0

38. https://blog.bolt.io/the-illustrated-guide-to-product-development-part-1-ideation-ab797df1dac7
From the “Illustrated Guide to Product Development, Pt 1” by Ben Einstein of @BoltVC

39. Design
For
Manufacturability

42. EEVblog #127 - PCB Design For Manufacture Tutorial - Part 1 - https://www.youtube.com/watch?v=VXE_dh38HjU
EEVblog #239 - PCB Design For Manufacture Part 2 - https://www.youtube.com/watch?v=Uemr8xaxcw0

43. EEVblog #552 - DFM Automated PCB Panel Testing -
https://www.youtube.com/watch?v=2zGisPMNstI

44. How to Make a Pogo Pin Test Jig, Adafruit
https://learn.adafruit.com/how-to-make-a-pogo-pin-test-jig

45. EEVblog #588 - How To Do PCB Production Testing
https://www.youtube.com/watch?v=UESc7ms4efo

46. Schematics
Layout Files
Bill of Materials
Assembly Drawings
Testing Procedures
Packaging Info
CEM

47. CEM Talk
• Volume
• Production forecast, material and component sourcing, tooling schedule
• MOQ
• Technical
• DFM Review
• Test/Automation planning
• Quality Management
• Financial
• NRE and Tooling Costs
• Cash flow, terms, purchasing…
• Open Book Pricing!

48. Regulatory & Compliance
• Safety
• EMC and RF
• Protocol
• <domain specific>

51. Thanks!
Any questions?
Ping me @OmerK