making the chumby
TRANSCRIPT
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TM
11/2008
Making the chumby™
bunnie VP Hardware, Chumby Industries
Owner, bunnie studios LLC
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What is Chumby?
• Chumby is: (1) a service and (2) a device platform – Chumby brings the sophistication of the Internet to
simple devices • Service
– Widget service that enables mash-up Internet content – Content is usable on simple, low-end devices – Users can generate and contribute content
• Device platform – Low-end hardware reference design, iconified by the
chumby device – Open source hardware design
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What is a Chumby device? • Open Source reference design:
– Embedded 350 MHz ARM linux, 802.11g, QVGA touchscreen, stereo audio, microphone, squeeze & tilt/shake sensors
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What is the Chumby Service?
• First you create your channels
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How Do you Use a Chumby?
• Then you add content! • Channels and widgets can also be
shared between buddies (“chums”)
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How Chumby is Open
• Open software – Linux-based OS – Open-licensed toolchain – Open-licensed support software (bootloader,
etc.) • User-Generated Content
– Widgets can be uploaded and shared if the user elects to apply an open license
– Closed licenses are also allowed
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How Chumby is Open
• Open Hardware – Schematics – Gerbers for boards
• Gerber is an interchange format for PCB CAD tools
– Bill of materials – Flat patterns – IGES for plastics
• IGES is an interchange format for 3-D mechanical CAD tools
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How Chumby is Not Open
• Closed-licensed software is used – Adobe Flashlite 3.0
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Why we Decided to Open Chumby Hardware
• Chumby’s value is in the network it develops around it – Developers – Users
• Chumby is about adoption • Adoption requires low cost
– Hardware is just a barrier to adoption • Innovation is resource-intensive • And closing hardware just is not possible
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Invite Innovators!
• Being open is being able to never have to say you’re sorry – You wish chumby had your favorite feature?
Build it yourself!
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How do we Make Money?
• Ad-sponsored revenue – Interstitial ads
• “Push” widgets targeted to users’ interests • Non-offensive: does not play or make sounds, and ideally,
entertaining / engaging or exciting in some way • Can skip over them
– Embedded ads • Brands embedded in functional widgets • E.g., “this game brought to you by Coca-Cola”
• Subscription content • Service fees
– Referral • Media, product, storefront or other referrals
– Payment • % of purchases made through device
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Making the Chumby
• Design concept • Picking a factory • Plastics (tooling & pressing) • Sewing • PCB assembly • Final assembly • Testing
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Design Concept
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Finding a Factory
• First tried a toy factory, then a shoe factory
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Soft mold tooling
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Shoe Making
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Shoe Making
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Final Vendor
• Bag, safety harness, and medical splint manufacturer
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Fast Sewing
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Pattern Making
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Leather Inspection
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Cut, Glue and Sew
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Cut
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Glue
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Sew
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Plastics
• Exterior CAD design • Interior fastening design (bosses, braces,
etc.) • Tool design
– Gates, ejectors, sliders • Tool cutting • Tool refinement • Production
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CAD work
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Steel Cutting
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Steel Tooling
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Steel cutting
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Steel Cutting
Note: rough cut is refined via Electron Discharge Machining
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Raw Plastic
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Molding
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Molding
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Molding
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Molding
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Fine Tuning
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PCB Manufacture
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Chip Shooter
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Chip Shooter
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Pick and Place
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Manual Placement
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Bake
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End of the Line
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Inspect
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Inspect
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Untested Boards
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Lots of Boards
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Phase I Testing
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Example Testing
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When Things Don’t Work…
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Final Assembly
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Jigs Everywhere
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Training Assembly
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Final Assembly
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Finished Chumbys
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Celebration!
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Q&A
• Thanks for your attention!