Post AXX8HTXbIdsdYHtn9s by cinebox@hackers.town
(DIR) More posts by cinebox@hackers.town
(DIR) Post #AXX8HMxZlfUz8ozwAq by foone@digipres.club
2023-07-09T21:40:45Z
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probably not a good sign when I try to look up a dev board and the only result is an image result for a B-52 bomber
(DIR) Post #AXX8HScshWVgiNMUka by foone@digipres.club
2023-07-09T21:42:47Z
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This is the mysterious board. It's a carrier for some smaller controller board.
(DIR) Post #AXX8HTXbIdsdYHtn9s by cinebox@hackers.town
2023-07-09T21:54:43Z
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@foone ???
(DIR) Post #AXX8HTtE0FB4dM13rc by foone@digipres.club
2023-07-09T21:43:24Z
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The PCB says PCA BOTTOM BOARDP/N 51-0009-00HYWIRE2013 REV_01
(DIR) Post #AXX8HUej9dAv0gEzuC by lucifargundam@qoto.org
2023-07-09T23:40:19Z
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@cinebox @foone Dafaq
(DIR) Post #AXX8HVSi9n9pVhcuoa by foone@digipres.club
2023-07-09T21:45:33Z
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The carrier board says PCA Top Board, P/N 61-0008-00, HYWIRE, 2013 REV_01The CPU is an ARM STM32F207IET6.
(DIR) Post #AXX8HWjlPsONSsc328 by foone@digipres.club
2023-07-09T21:48:05Z
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U14 is an HCT540: octal line buffer
(DIR) Post #AXX8HXwYvmDxCrbmca by foone@digipres.club
2023-07-09T21:49:38Z
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U16, U18, and U19 are these AQV252G solid state relays
(DIR) Post #AXX8HZAQNiuH096Mro by foone@digipres.club
2023-07-09T21:50:51Z
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U6, U7, and U8 are these TB6560AHQ stepper motor controllers.
(DIR) Post #AXX8HaWRLM6xCiPSoy by foone@digipres.club
2023-07-09T21:52:26Z
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U25 and U27 are TLP291-4 quad optocouples
(DIR) Post #AXX8HbiWttNMuV4dIu by foone@digipres.club
2023-07-09T21:55:18Z
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U2 is a PTH12060WAH adjustable DC-to-DC converter. Takes in about 12v and produces 1.2v-5.5v
(DIR) Post #AXX8Hd4tqCrd8AY0oK by foone@digipres.club
2023-07-09T21:57:39Z
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So, labels around the board:J7 is DOOR, J12 is B&W_R, J17 is NIR_R, J14 is RGB, J3 is "USB HUB" (3 pins?!)J2 & J4 are FAN, J5 is TABLET, J11 is INDICATOR, J15 is RGB, J18 is NIR_L, J13 is B&W_L, J6 is SHELF, J8 is APERTURE, J10 is FRONT WHEEL, J9 is FOCUS, J1 is POWER. J16 is UVT.
(DIR) Post #AXX8HeVWWhkrZ20mwq by foone@digipres.club
2023-07-09T21:58:24Z
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so... doors, shelves, cameras, USB, tablets, doors, wheels? Some kind of robots platform, apparently?
(DIR) Post #AXX8Hfig1Hs1K7Ao5Y by foone@digipres.club
2023-07-09T22:01:25Z
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Underside of the top board, we've got an ATMLH428 08CMThat's a 1 kilobyte serial eeprom.
(DIR) Post #AXX8HgszgPiWwP0YoC by foone@digipres.club
2023-07-09T22:07:31Z
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And a Silicon Labs CP2102, a USB-to-UART bridge. I highly suspect this thing is an 8501 but I can't confirm it.
(DIR) Post #AXX8Hi8z0S6KqHUqMy by foone@digipres.club
2023-07-09T22:10:42Z
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I plugged in the top board into a PC and it just enumerated as a SiLabs USB-to-UART bridge.Not very useful!
(DIR) Post #AXX8HjPgHr3ImMJh2G by foone@digipres.club
2023-07-09T22:13:18Z
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and it doesn't seem to be saying anything or responding to any commands
(DIR) Post #AXX8Hkg1aZighKyG9I by foone@digipres.club
2023-07-09T22:19:12Z
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so without being able to find anything else, the best I can say is that this is some kind of robotics interface board. Probably just custom made to support a given device, they said "we need an interface board to control X, Y, and Z, over USB" and JOVE just built them something with a decent microcontroller and enough line drivers/octocouplers.
(DIR) Post #AXX8HlnVQFIYApTkRs by foone@digipres.club
2023-07-09T22:24:48Z
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There was a "Hywire Associates" who were active from 2003-2020 in Fremont, near where this device ended up in an e-waste recycler.
(DIR) Post #AXX8HmxT6grTm19DcG by foone@digipres.club
2023-07-09T22:25:27Z
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and this 2007 article says that Hywire Associates made "advanced test tools for local, storage, and wide area network applications"https://www.testandmeasurement.com/doc/mrv-and-hywire-collaborate-on-test-and-measur-0001
(DIR) Post #AXX8Ho74oS8pM6ePEO by foone@digipres.club
2023-07-09T22:26:24Z
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maybe they designed a fancy robot to test storage tech? a storage company I used to work for had done that once, they had a robot that automatically unplugged harddrives from an array, so they could repeatedly test their "a drive just vanished from the array" logic
(DIR) Post #AXX8HpTRkld5Zm7mjo by foone@digipres.club
2023-07-09T22:30:30Z
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up through 2016 or so they were running an online storefront selling storage cables and adapters. https://web.archive.org/web/20161027041227/http://hywireonline.com/info.html
(DIR) Post #AXX8HqbHZ7UX4MnYae by foone@digipres.club
2023-07-09T22:33:57Z
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The owner of the company seems to be still around, and is currently a sales manager somewhere else. Everyone I'm seeing on linkedin who worked for them is some kind of sales, so I'm not sure this is the kind of company that designed their own hardware