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Padmal
@CloudyPadmal
I tested the SDCard and it can be read and written.
Mario Behling
@mariobehling
:thumbsup:
Mark Cribbs
@MarkCribbs
Hey guys, quick question please. I have been to every site listed on the pslab.io website looking for a place to order the Pocket Science Lab Board. Every one says it is out of stock. Any idea when it will come available again? This stuff is right up my alley and I'm so glad to have stumbled across it on Github. Great work!
1 reply
RafaelLeeImg
@RafaelLeeImg
I won't be join the meeting today.
RafaelLeeImg
@RafaelLeeImg
20221029-173731_pslab_msop_sop_adapter.jpg
Anurag verma
@anurag629
Hi, I want to contribute to pslab. Help me how I get to start with it. I have knowledge of Python, Django, Django rest framework, ML, and Deep Learning. :)
Daniel aka CyReVolt 🐢
@CyReVolt:matrix.org
[m]
Hi @anurag629 - there is an introduction to PSLab here in the docs: https://docs.pslab.io/introduction.html
Anurag verma
@anurag629
Thanks @CyReVolt:matrix.org
Daniel aka CyReVolt 🐢
@CyReVolt:matrix.org
[m]
TIL: https://pid.codes they give free USB VIDs/PIDs to open source projects from a pool they managed to allocate
I have a RISC-V dev board here based on the CH32V307, capable of USB, where I can just set the VID/PID as I like.
(vendor/product ID)
ended up there looking at github.com/hydrausb3
Shawn Armstrong
@Shawn-Armstrong

Hello,

I see that you're developing the next version of your PSLab board. Is there anyway I might be able to purchase an older one or perhaps when I can expect to see an alternative sold?

RafaelLeeImg
@RafaelLeeImg
I made a pull request. There are too many modifications, details are in the log. PCB modifications other than the final version are not included in the commits. I removed them due to the size expansion of the repository.
CloudyPadmal/pslab-hardware#8
Mario Behling
@mariobehling
@RafaelLeeImg Any idea how to get the automatic build passing?
Padmal
@CloudyPadmal
I checked the errors thrown by DRC and ERC, they are not critical errors. They are just trivial errors such as missing noconnects, different pin definitions (output pin connect to output pin) etc.
Mario Behling
@mariobehling
Ok, good. How much time before the PR can be finalized? Could you help to fix this PR?
@vgfsrhkbgd:matrix.org @bessman Do you want to add the points you found in the prototype in this PR or in a separate issue? CloudyPadmal/pslab-hardware#8
Evert Huijben
@e.huijben_gitlab
Hi, I see for some time that the PSLab boards are out of stock. When do they become available again?
Marco A. Gutierrez
@marcoag
@bessman are there any python examples for the pslab-python library? It would be good if we have some for tomorrow's workshop
Mario Behling
@mariobehling
Ok, just talked to Marco. For example:
  • A Python script that reads turns on an LED
and does some stuff like turn on and off
Alexander Bessman
@vgfsrhkbgd:matrix.org
[m]
Well, every function and class have documentation with a simple usage example. Beyond that, there are no organized examples.
Mario Behling
@mariobehling
Ok, Marco sees the headers, but he is not clear yet about more. He checked the servo headers and wants to try.
Is there more sample code for humidity (HL 83 rain sensor)
Alexander Bessman
@vgfsrhkbgd:matrix.org
[m]
Turning on an LED could be done using the current source pin (PC, I think is the label). But it's not powerful enough to drive a bright LED.
I think the HL83 is one of the old sensors which hasn't been updated for the new API. Really old parts of the codebase is often undocumented.
Mario Behling
@mariobehling
He would love to have a .py file
Alexander Bessman
@vgfsrhkbgd:matrix.org
[m]
I'll see if I have time to put something together later tonight.
Mario Behling
@mariobehling
that would be amazing
small individual examples for people to try
no need for a big generic thing
MQ-2 Gas Sensor Smoke Sensor Air Quality Module would also be interesting
Thanks for you feedback! We are on the train to Weimar. Talk later
Marco A. Gutierrez
@marcoag
yes, it would be great if we can have some python code for some of the simple experiments above so people can play with them. Currently those tutorials use the android app.
I spent sometime going through the code myself but it takes me some time to figure out each example.
Alexander Bessman
@vgfsrhkbgd:matrix.org
[m]
Is experiment 3 from this document accurate?
The instructions say to connect an LED in parallel with a force-sensing resistor via CH1, but the android app instructions then go on to manipulate PV3 (which isn't connected to anything). I don't see how that could work.
I unfortunately don't have a FSR to test with.
Alexander Bessman
@vgfsrhkbgd:matrix.org
[m]
Looks like the android parts of experiments 3 & 4 had gotten mixed up. I've fixed it.
These documents could be turned into Jupyter notebooks for a streamlined python experience... if time allows.
I'd like some more details on the multivibrator experiment. It's not clear to me how the pslab should be connected to the experiment circuit.
Marco A. Gutierrez
@marcoag
Great! thanks for the python instructions!
I honestly don't know much about the multivibrator experiment as it something that it was done there before and I don't really understand.
Alexander Bessman
@vgfsrhkbgd:matrix.org
[m]
Is the workshop ongoing? I'm trying to join remotely, but there's no one in the jitsi room.
Siddh
@siddhpant:matrix.org
[m]
Hello, I'm an electronics undergrad looking to work on interesting stuff. I had come across neurolab back in November, but it turned out to be dead, including the gitter channel. I now again came across pslab, after someone mentioned fossasia internship. Is it possible to initiate an internship considering I am new? And how do I get started? I suppose I may need the kit, but its out-of-stock.
Alexander Bessman
@vgfsrhkbgd:matrix.org
[m]

Hi Siddh, and welcome to the PSLab Gitter channel! While @mariobehling is the person to talk to regarding internships, I can say that in the past internship candidates have been required to have a history of contributions to FOSSASIA projects.

The PSLab, as you have noticed, is currently out of stock pretty much everywhere. This is because we're getting ready to release a new version of the hardware, which is currently in prototype stage. We have discussed doing a limited production run sometime soon to make the prototype available to interested parties. Once that happens, it will be announced in relevant channels, so stay tuned!

Siddh
@siddhpant:matrix.org
[m]
Alexander Bessman: Okay, I understand. Thanks for getting back!