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| 02:20.37 | *** topic/#qi-hardware is Copyleft hardware - http://qi-hardware.com | hardware hackers join here to discuss Ben NanoNote, atben / atusb 802.15.4 wireless, and other community driven hw projects | public logging at http://en.qi-hardware.com/irclogs and http://irclog.whitequark.org/qi-hardware |
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| 02:20.51 | DocScrutinizer05 | sure, what else :) |
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| 05:01.51 | wpwrak | whitequark: you could start a CNC preemptive repair service :) team up with an importer and reseller, then fix the critters before selling them |
| 05:10.02 | whitequark | mmm |
| 05:10.11 | whitequark | i'm not sure it's worth the hassle |
| 05:22.45 | wpwrak | you mean that most of the critters don't fail ? or that people wouldn't pay for a - probably still comparably cheap - device that doesn't go up in flames ? |
| 05:23.47 | whitequark | i mean it's a lot of work |
| 05:24.38 | whitequark | logistics, agreements with suppliers, marketing... |
| 05:28.42 | wpwrak | maybe look if there's any large reseller in .eu, then contact them to see if they think that's a problem they'd like to have solved |
| 05:30.10 | whitequark | I think there aren't any resellers, they just ship directly from China |
| 05:30.26 | whitequark | why let someone else take a cut if you can sell it directly on ebay? |
| 05:31.42 | whitequark | hm, there are some resellers, it seems |
| 05:32.23 | whitequark | holy fuck |
| 05:32.36 | whitequark | a russian reseller sells it for over 5x the price i bought it at |
| 05:36.35 | wpwrak | does that smell like opportunity ? :) |
| 05:38.28 | whitequark | hmm |
| 05:39.11 | whitequark | well, it does |
| 05:39.27 | whitequark | toolmaking is a pretty high-margin field in general |
| 05:59.11 | wpwrak | take cheap but dodgy china stuff, add indestructible russian engineering, own the world :) |
| 06:04.58 | whitequark | o! http://www.ebay.com/itm/271304987728 |
| 06:05.15 | whitequark | they're enormous though, with OD=0.9 |
| 06:06.05 | whitequark | http://www.ebay.com/itm/271138757893 these are with OD=0.6 |
| 06:06.14 | whitequark | pretty interesting actually |
| 06:21.01 | wpwrak | cheaper here: http://www.rembrandtlights.com/shop/re-1050 |
| 06:22.19 | whitequark | it's exactly same company |
| 06:22.25 | whitequark | they even link from ebay footer |
| 06:22.43 | wpwrak | yup. that's what's funny about it, isn't it ? :) |
| 06:22.57 | whitequark | I guess |
| 06:23.55 | wpwrak | well, that's the first 6% discount. for the remaining 89% you have to find their chinese fab ;-) |
| 06:24.38 | whitequark | http://www.aliexpress.com/item/100pcs-PCB-Brass-Rivets-Electronic-Prototype-0-9-mm-x-3-0-mm-Free-shipping/2052610864.html |
| 06:24.44 | whitequark | 100pcs for $4.5 |
| 06:24.45 | wpwrak | alas, only a single length. so it's not so nice for 0.8 mm boards |
| 06:24.59 | wpwrak | now we're talking :) |
| 06:25.34 | whitequark | wow, 1000 for $10 |
| 06:25.41 | whitequark | these things really aren't expensive to produce, are they |
| 06:25.50 | whitequark | it's basically packaging cost |
| 06:26.13 | wpwrak | and margin :) |
| 06:26.54 | whitequark | you'd need a microscope to see that margin |
| 06:27.38 | wpwrak | not if you sell at 10 cents per unit :) |
| 06:28.45 | whitequark | hehe |
| 06:34.43 | wpwrak | hmm, aliexpress doesn't seem to have stuff < 0.9 mm, which probably is the shaft diameter |
| 06:36.48 | whitequark | yeah, it's ID |
| 06:38.50 | wpwrak | hmm, or just use nails: http://www.mill-max.com/assets/pdfs/204.pdf |
| 06:39.07 | wpwrak | of course, mill-max are triple-plus $$$ |
| 06:40.03 | whitequark | huuuh |
| 06:40.22 | whitequark | do you solder these, or smash? |
| 06:41.14 | wpwrak | i'd solder them. but feel free to smash ;-) |
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| 15:49.42 | mooseboobs | Anyone know where I could find an example pcb layout for a smartphone (preferably with a MTK chipset) ? |
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| 16:20.24 | DocScrutinizer05 | smashing rivets into PCB is a nasty thing and tends to not yield good results |
| 16:21.45 | DocScrutinizer05 | may sound weird but the FR4/whatever is too brittle and neither elastic nor strong enough |
| 16:22.23 | DocScrutinizer05 | and you generally damage copper plating in 75% of cases |
| 16:23.15 | DocScrutinizer05 | you'll end up with rivets that are loose and don't have contact despite looking perfect |
| 16:24.43 | DocScrutinizer05 | depending on your tools to smash the rivets, you even may deform the PCB so it is a 1.2mm at and around the rivet when it originally been 0.8mm |
| 16:26.07 | DocScrutinizer05 | some methods to smash rivets make the rivet create enormous forces radially to rivet's cylinder |
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| 16:59.38 | wpwrak | so, better to use nails, and no hammer |
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| 19:14.09 | apelete | Hi larsc |
| 19:14.49 | apelete | are you there ? |
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| 22:24.27 | whitequark | DocScrutinizer05: I see |
| 22:24.42 | whitequark | rivets did look fishy to me, there should have been a reason almost no one ever uses those |
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