[VicPiMakers SG] Pi Basics
Mark G.
vpm at palaceofretention.ca
Mon May 4 23:48:21 EDT 2020
I suggested removing containers based on my direct knowledge
of the group in question. Telling OPCUG about running containers
on a pi is somewhat pointless.
Craig, you could offer to give a more full-blown presentation
on linux containers to OPCUG, which I think would be more
useful.
On 2020-05-04 12:57 PM, Craig Miller wrote:
> Deid,
>
> I would put in Linux Containers, at least a mention, as the Tech
> community in Ottawa are all over containerization.
>
> 4-6 is steps (or lines) 4 through 6
>
> Sounds like it is shaping up well.
>
> Craig...
>
> On 5/4/20 11:13 AM, Deid Reimer wrote:
>> https://www.hackster.io/news/meet-the-new-raspberry-pi-4-model-b-9b4698c284
>>
>>
>> Has a good article on the 4. May be able to use these ideas for part
>> 1. An image from that article:
>>
>> https://hackster.imgix.net/uploads/attachments/981429/1_kOpWv51R5s8eFV9G7hKgxA.png?auto=compress%2Cformat&w=740&h=555&fit=max
>>
>>
>>
>> Can use my asus cardboard box for part 2 yes
>>
>> Hats - never used any other than the purpose built one for Camosun.
>>
>> OS and GUI - mostly Debian. Thoughts on what to describe.
>>
>> What is "my 4-6"?
>>
>> I like Craig's idea of node red.
>>
>> We only have an hour and a half and I think we should leave at least
>> 20 minutes for questions/interruptions.
>>
>>
>>
>>
>>
>>
>>
>> On 5/3/20 6:44 PM, Mark G. wrote:
>>> Craig, Deid,
>>>
>>> That's a good list. I can give you a rough idea of the audience, since
>>> I was a member back a while.
>>>
>>> They are fairly technically competent, but they can be windows centric,
>>> although there was quite often a foray into the linux side of things.
>>> They'll understand mostly anything we present about the RPi.
>>>
>>> So here's what I would focus on:
>>>
>>> 1. Describe the RPi 4 fairly deeply:
>>> - memory, CPU, GigEth/WLAN, USB 3+2, BT, HDMIx2 USB C power.
>>> - display connector and camera connector, audio jack
>>>
>>> 2. Stay with the hardware and describe the GPIO pins
>>> - run some python code that toggles LED's on a show and tell
>>> system like Deid's, with some temperature sensing.
>>>
>>> 2a. Describe some common HATs, like PoE, or Sensehat to
>>> show hardware extensibility.
>>>
>>> 3. Move to describing the OS and GUI to provide relief for
>>> the console shock we'll have given them with the GPIO
>>> programs.
>>>
>>> Then do your 4-6, except skip linux containers (sad face),
>>> and maybe skip VNC/RDP/headless.
>>>
>>>
>>>
>>>
>>>
>>> On 2020-05-03 3:50 PM, Craig Miller wrote:
>>>> Hi Deid,
>>>>
>>>> Well, the Pi Camp is full of good stuff, I think it was aimed more at a
>>>> hands on audience who (ostensibly) wanted to use the Pi. I doubt this
>>>> group is interested in Ohm's Law, for example.
>>>>
>>>> As I remember OPCUG from my Ottawa days, they were mostly Windows
>>>> folks.
>>>> So I think:
>>>>
>>>> 1. some chat about the Pi4 would be useful (something the VicPiMakers
>>>> would also be interested in, BTW)
>>>> 2. the basics of the GUI
>>>> 3. The lack of compatibility with Windows anything (can't run Windows
>>>> apps, although there may be work-alikes), has a different processor
>>>> 4. The Basic Setup - keyboard, mouse, HDMI display, or run Headless
>>>> (then use VNC or RDP?)
>>>> 5. Some Cool Apps: Flight Aware, Motion Eye, Linux Containers (Ottawa
>>>> is the High Tech centre of Canada)
>>>> 6. A few pointers to other things that can be done with the Pi:
>>>> NodeRed, GPIO, Python Programming
>>>>
>>>> BTW, being a Linux and Mac guy, I don't think I ever attended the
>>>> OPCUG,
>>>> but did attend the Mac and Linux groups in Ottawa.
>>>>
>>>> Craig...
>>>> --
>>>> IPv6 is the future!
>>>> http://ipv6-net.blogspot.ca/
>>>>
>>>>
>>>> On Sun, May 3, 2020 at 3:10 PM Deid Reimer <deid at drsol.com
>>>> <mailto:deid at drsol.com>> wrote:
>>>>
>>>> Do you think parts of the pi camp that never happened would be
>>>> useful? Or, are these folks likely past that level?
>>>>
>>>> Deid VA7REI
>>>> On May 3, 2020, at 12:38 PM, "Mark G." <vpm at palaceofretention.ca
>>>> <mailto:vpm at palaceofretention.ca>> wrote:
>>>>
>>>>
>>>> -------- Forwarded Message --------
>>>> Subject: Re: Re: [VicPiMakers SG] Fwd: Re: Pi Basics
>>>> Date: Sun, 3 May 2020 15:25:05 -0400
>>>> From: Alan German
>>>>
>>>>
>>>> A couple of replies below.
>>>> Deid would like to know a bit more about what you'd like
>>>> covered. Also, how much time is available?
>>>>
>>>>
>>>> Mark:
>>>>
>>>> Thanks for your assistance and especially for the prompt
>>>> replies from
>>>> your colleagues.
>>>>
>>>> Normally, we would have a lot of relevant information for
>>>> speakers on
>>>> our web site (https://opcug.ca/speakers-info/) but, with the
>>>> current
>>>> concerns relating to Covid-19, very little of it remains so.
>>>> Consequently, the following notes may assist:
>>>>
>>>> The Ottawa PC Users' Group (OPCUG) has been serving our
>>>> local community
>>>> for close to 40 years. Our main activities for members are a
>>>> monthly meeting to which we normally invite an external
>>>> speaker on some
>>>> computer-related topic, Q&A sessions that immediately follow
>>>> the
>>>> speaker's talk, our monthly newsletter (Ottawa PC News), web
>>>> site, and a
>>>> members-only, on-line discussion forum. Guests
>>>> (non-members) are always
>>>> welcome to attend our meetings. In addition, we have other
>>>> outreach programmes such as workshops held in the spring and
>>>> fall, and
>>>> presentations to members of the public at library branches
>>>> across the
>>>> city. Currently, because of the limitations imposed by the
>>>> pandemic, we
>>>> are offering brief, weekly Q&A sessions over
>>>> video-conferencing.
>>>>
>>>> The Raspberry Pi computer has been suggested as a topic for
>>>> our regular
>>>> monthly meetings on a number of occasions and, while we have
>>>> the BuyaPi
>>>> store and a number of Pi enthusiasts in the city, we have
>>>> been unable to
>>>> find a local speaker for this topic. Jeff had mentioned to
>>>> me your work
>>>> on Jitsi as OPCUG has commenced using video-conferencing due
>>>> to our
>>>> current inability to hold face-to-face meetings. I noted
>>>> that this
>>>> effort was linked, in part, to Victoria PiMakers and saw
>>>> from the web
>>>> site that this group was very active with the Pi and, in
>>>> particular, had
>>>> recently given an introductory course on the Pi. Hence my
>>>> interest and
>>>> inquiry.
>>>>
>>>> I suspect that most members of OPCUG will know that the Pi
>>>> exists, and
>>>> have a basic idea of what it is, but that is almost
>>>> certainly as far as
>>>> it goes. But, it is a fascinating device and I am sure that
>>>> everyone
>>>> would love to learn more about it and what they could do
>>>> with it. Our
>>>> scheduled talks are usually 90 minutes in duration,
>>>> including questions,
>>>> so clearly the presentation would have to be fairly
>>>> concise. But, it
>>>> should be considered just as an introduction to the topic so
>>>> a lot of
>>>> detail is likely not required. My thoughts were along the
>>>> lines of:
>>>>
>>>> (1) a brief history of the Pi
>>>> (2) an overview of the latest model
>>>> (3) the "accessories" required (e.g. power supply, SDcard,
>>>> video cable,
>>>> etc.)
>>>> (4) a couple of examples of "shovel-ready" applications (i.e.
>>>> off-the-shelf software for specific tasks)
>>>> (5) a brief indication of some of the capabilities of the Pi
>>>> for someone
>>>> willing to roll up their sleeves (e.g. programming the I/O
>>>> system)
>>>>
>>>> Obviously, not knowing all that much about the Pi myself,
>>>> the above are
>>>> simply suggestions. We would, of course, be guided by
>>>> whoever would
>>>> be willing to provide a presentation to our group.
>>>>
>>>> As I indicated, our meetings are currently being held by (Zoom)
>>>> video-conference so a remote presentation is obviously the
>>>> route to take
>>>> for a talk by one of your group if such can be arranged. We
>>>> are limited
>>>> to our regular meeting schedule, i.e. on the second
>>>> Wednesday of the
>>>> month (e.g. June 10 is currently available), commencing at
>>>> 7:30 pm EST,
>>>> although I would think that we could switch the main
>>>> presentation and
>>>> the Q&A session around if a later starting time would be
>>>> preferred for
>>>> the west coast. And, while there is always the possibility
>>>> of regular
>>>> meetings re-commencing at the church in the fall, we do have
>>>> Wi-Fi
>>>> available at this venue so, if this timing would be more
>>>> appropriate, no
>>>> doubt a remote presentation could be accommodated by simply
>>>> running the
>>>> AV feed into the video projector.
>>>>
>>>> Anyway, all that to say that our group is very interested in
>>>> the
>>>> capabilities of the Pi, is extremely flexible on the
>>>> logistics, and
>>>> would be most grateful for any assistance that any member of
>>>> your
>>>> organization could provide.
>>>>
>>>> My very best regards
>>>>
>>>> Alan
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> --
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>>>> SteeringGroup at vicpimakers.ca <mailto:SteeringGroup at vicpimakers.ca>
>>>> http://vicpimakers.ca/mailman/listinfo/steeringgroup_vicpimakers.ca
>>>>
>>>>
>>>>
>>>
>>
>
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