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librecube

262 Members
open source space and earth exploration: https://librecube.org/32 Servers

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SenderMessageTime
27 Sep 2024
@redsharpbyte:matrix.orgRedhow much of python and of git?17:37:29
29 Sep 2024
@cajt:matrix.orgcajtCan you actually know all of Git?10:07:00
@redsharpbyte:matrix.orgRed you can know all of man it's easier lol 10:27:01
@redsharpbyte:matrix.orgRedbut at least I want to know how much efforts mentors needs to do with someone if they dont know the word "git" of if they are further thinking git pull is cloning. 🙂10:27:52
30 Sep 2024
@i_am_pramod:matrix.orgPramod kumar joined the room.16:40:50
1 Oct 2024
@artur.librecube:matrix.orgArtur ScholzRover wheel drive assembly: https://gitlab.com/librecube/prototypes/platform-wheel-drive/-/blob/main/docs/assembly/README.md?ref_type=heads15:08:58
@artur.librecube:matrix.orgArtur ScholzIMG_20241001_170917.jpg
Download IMG_20241001_170917.jpg
15:14:04
@artur.librecube:matrix.orgArtur Scholz@room Attention FreeCAD enthusiasts: The 3U structure still needs to be worked on (https://gitlab.com/librecube/prototypes/platform-3u-structure), so that we can 3D print it and use for a big rover model. Who is up for this task? You can refer to the 2U repo as reference: https://gitlab.com/librecube/elements/LC210215:16:55
2 Oct 2024
@jan-peter:matrix.orgjan-peter I was working on a 3U frame.
I have to double check what the last situation was
08:09:25
@artur.librecube:matrix.orgArtur ScholzCheck the repo link. It is your work 😃08:12:40
4 Oct 2024
@artur.librecube:matrix.orgArtur Scholz
In reply to @artur.librecube:matrix.org
@room Attention FreeCAD enthusiasts: The 3U structure still needs to be worked on (https://gitlab.com/librecube/prototypes/platform-3u-structure), so that we can 3D print it and use for a big rover model. Who is up for this task? You can refer to the 2U repo as reference: https://gitlab.com/librecube/elements/LC2102
@room This task is still unassigned. Do YOU want to work on it? It is not a complicated task, and ideal for experimenting with FreeCAD. I recommend to open the 2U and 3U in parallel and then try to fix the 3U to follow the same design steps as the 2U (with dimensions scaled for the 3U).
13:00:39
7 Oct 2024
@jan-peter:matrix.orgjan-peterMy name is Jan-Peter and I support this message.10:50:06
@jan-peter:matrix.orgjan-peterima_4fc53c4.jpeg
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12:07:24
@jan-peter:matrix.orgjan-peterI have stacked my first plastic PCBs12:07:43
@jan-peter:matrix.orgjan-peter Artur Scholz: Are you sure that the PCBs should be 10mm apart? It seems so close together ... 12:08:22
@artur.librecube:matrix.orgArtur ScholzI did clearly say 16mm12:14:48
@cajt:matrix.orgcajtJust out of curiosity, why did the structure get such a complex geometry (and so many screws in sizes I don't have on stock)? Is for specific solar panels or 3d-printing? (didn't see rationale in git)12:44:05
@artur.librecube:matrix.orgArtur ScholzThe structure was (almost) not changed. The screws are now Torx, because Torx is just better for fastening those small screws. But you can still use the hex screws, the dimensions are equal.15:13:40
8 Oct 2024
@dipanwita1405:matrix.orgDipanwita Das joined the room.16:36:53
@jan-peter:matrix.orgjan-peterHe really did almost say it. I just did it wrong anyhow 🤷‍♂️16:37:57
@balotofi:matrix.orgHusseinat Etti-BalogunIt's funny how our brains read over crucial information when we're excited to do something... have you tried the 16mm spacers now?22:13:06
@balotofi:matrix.orgHusseinat Etti-Balogun Welcome Dipanwita Das ! Glad to have you here. Would you mind introducing yourself to everyone? 22:25:40
9 Oct 2024
@dipanwita1405:matrix.orgDipanwita DasHi everyone! I'm a recent graduate with a degree in CSE. I'm excited to join this community and contribute to different projects.03:16:24
@jan-peter:matrix.orgjan-peter
In reply to @balotofi:matrix.org
It's funny how our brains read over crucial information when we're excited to do something... have you tried the 16mm spacers now?
I have to order them first.
06:20:05
@jan-peter:matrix.orgjan-peterIts tricky because some dealers label them as 16mm and some as x+6mm So in this case, the 16+6mm are the right one - 16mm spacer. 6mm thread06:21:25
@leslie7238:matrix.orgleslie7238 joined the room.10:05:52
@leslie7238:matrix.orgleslie7238Hi there, we are following the LibreCube/PC104 board spec to design our PCB. According to the specs, the PCB board thickness is required to be 1.57mm. However, due to complexity of the design, we may need to use a PCB thickness of up to 1.8mm. We are wondering if the thickness of 1.8mm acceptable for CubeSat integration? Or, what is the margin in the thickness of PCB boards? Thanks a lot!10:09:00
@artur.librecube:matrix.orgArtur ScholzThe 1.57mm is standard thickness of double-layer PCB. But you are free to use any other thickness (eg for multi-layer boards). The main impact would be on fitting the board stack into the structure, which can be solved in various ways (eg user shorter stand-offs).11:10:03
10 Oct 2024
@cajt:matrix.orgcajtOr the stack just gets a bit higher. The integrated system has to take tolerances in PCB Manufacturing anyways. Also many board houses have high tolerances for thickness anyways.13:16:56
11 Oct 2024
@leslie7238:matrix.orgleslie7238@Artur Scholz @cajt Thank you for your comments! Yap, in LibreCube Board Spec, only the thickness 1.57mm is given, no tolerances/margin is given. It would be better to have the spec updated/improved.01:18:09

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