| 00:09.13 | Oksana | Testing pads? Or what could it be? |
| 00:09.55 | Joerg-Neo900 | testing hardly, it's covered by domesheet in device. Prolly manufacturing QA pattern |
| 00:10.43 | Joerg-Neo900 | "look there, check exact dimensions, make sure they meet specs" sort of thing |
| 00:11.12 | Joerg-Neo900 | or some layouter been bored ;-P |
| 00:11.31 | Joerg-Neo900 | but then I had expected something more funny |
| 00:12.53 | Joerg-Neo900 | you see more of similar stuff on the framing scrap |
| 00:14.09 | Joerg-Neo900 | http://wstaw.org/m/2018/04/10/plasma-desktopH22448.png |
| 00:16.04 | houkime | Whe I saw that the first time i thought about precise impedance measurements and stuff. |
| 00:19.32 | *** join/#neo900 infobot (ibot@rikers.org) |
| 00:19.32 | *** topic/#neo900 is http://neo900.org | CCCAMP15 lightning talks at http://neo900.org/stuff/cccamp15/ - major: http://neo900.org/stuff/cccamp15/ccc2015talk/neo900-wpwrak_CCC2015.webm | conversations are logged to http://infobot.rikers.org/%23neo900/ and http://irclog.whitequark.org/neo900 | Latest news: http://neo900.org/news/joerg-pia-2018-03-01 |
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| 00:21.44 | houkime | this pattern was written there with a lot of heat in the writing process. Look at the color changes |
| 00:21.45 | Oksana | I don't even understand what this dot-art is made of. |
| 00:22.02 | houkime | it is a laser-written pattern |
| 00:22.09 | Joerg-Neo900 | looks like laser micro QR code |
| 00:22.49 | Joerg-Neo900 | it's a metal blob with this micarcle dots "drilled" into it |
| 00:23.30 | houkime | control over laser microvias? |
| 00:23.32 | Oksana | Well, not [micro] QRcode, because not square. But if it's different on each board, then it could be used for identification? |
| 00:23.38 | Joerg-Neo900 | I *bet* on unsoldering it, you destroy it comletely |
| 00:23.54 | Joerg-Neo900 | Oksana: yep, exactly |
| 00:24.18 | Joerg-Neo900 | I think it's a sort of proof of genuine equipment |
| 00:24.21 | Oksana | Is it functional, or merely identificatory, or both? |
| 00:24.42 | Joerg-Neo900 | it's a metal blob soldered to a single pad, electrically not active |
| 00:25.57 | Oksana | Okay :shrug: Somewhat boring when an intricate piece of art turns out to not have functionality within it. |
| 00:26.11 | Joerg-Neo900 | hehe |
| 00:27.09 | Joerg-Neo900 | I'd bet the rationale was that any copycats would never do the extra effort to face that |
| 00:27.20 | Joerg-Neo900 | fake* |
| 00:28.31 | Joerg-Neo900 | and who knows, it might have secret in-copy-able properties like depth of the holes different for each, and whatnot |
| 00:29.39 | Joerg-Neo900 | prolly when you know the exact laser wavelength you could read out the depth of holes, like on CD |
| 00:31.20 | houkime | I bet we can make better than this N900, and OSHW, so nobody will need their stuff anyway. |
| 00:31.36 | Joerg-Neo900 | 17 byte |
| 00:31.54 | Joerg-Neo900 | houkime: hehe :-> |
| 00:32.45 | houkime | gonna sleep. bye. Morning will be connector placing and stuff. |
| 00:37.55 | Joerg-Neo900 | 01010101: 11101111: 00110111: 10110111: 00011011: 01110101: 11110111: 01101101: 11111111: 01101101: 10110011: 00101111: 10100101: 01111101: 10100101: 01010111 |
| 00:38.25 | Joerg-Neo900 | dang, missed one byte |
| 00:38.54 | Joerg-Neo900 | from top-left. right-down |
| 00:42.17 | Joerg-Neo900 | 01010101: 11101111: 00110111: 10110111: 00011011: 10111011: 01110101: 11110111: 01101101: 11111111: 01101101: 10110011: 00101111: 10100101: 01111101: 10100101: 01010111 |
| 00:43.28 | Joerg-Neo900 | looks like leftmost bit is sort of 'clock' |
| 00:44.12 | Joerg-Neo900 | so it would be 17 7bit ASCII maybe |
| 00:47.14 | Joerg-Neo900 | there's this too, however http://wstaw.org/m/2018/04/10/plasma-desktopv22448.png |
| 00:48.15 | Joerg-Neo900 | I conveniently retouched that number on my highres scans |
| 00:49.10 | Joerg-Neo900 | http://wstaw.org/m/2018/04/10/plasma-desktopJ22448.png you wouldn't even have noticed, eh? ;-) |
| 00:52.35 | Oksana | Not without looking for that. Green brush... |
| 00:52.45 | Joerg-Neo900 | :nod: |
| 00:53.03 | Joerg-Neo900 | there's been a white brush too, more obvious |
| 00:53.14 | Joerg-Neo900 | in domesheet |
| 00:54.18 | Joerg-Neo900 | all those numbers wer <<17byte though |
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| 17:13.01 | houkime | Either bob connector footprint' or sch' pins need reassignment. The way it is now connectors are impossible to mate. Rechecking datasheet (there are two models involved, not sure if their footprint needs to be different or not). |
| 17:33.28 | houkime | Checked. Identical Fps are ok except for one model we are not using. But pins on sch need to be reassigned. |
| 17:36.38 | houkime | calculating pin pairs and reassigning... |
| 17:49.12 | houkime | Hmmm... library uses only one symbol so I can't just renumber them |
| 17:49.55 | houkime | I either need to redraw sch or do additional library symbol or an additional footprint |
| 17:53.31 | houkime | It might be better to make an additional footprint for receptacles with different pin numbering. |
| 17:54.07 | houkime | ok, doing |
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| 18:10.09 | houkime | done |
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| 20:33.36 | houkime | hb.pdf uses wrong sd holder dimensions |
| 20:34.15 | houkime | 13.5 vs 14.5mm of our real vertical span |
| 20:36.41 | houkime | right now prioritizig OTG clearance |
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| 22:16.47 | houkime | hb.pdf does not include the X-axis distance from camera to bob edge thus leaving x of bob projection on LOWER undecided |
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