Sat Jun 8 2024: Little FS and ZFS

LittleFS is a lightweight filesystem created for microcontrollers that lets you access the flash memory like you would do in a standard file system on your computer, but it’s simpler and more limited. You can read, write, close, and delete files. Using a filesystem with the ESP32 boards is especially useful to:

from Random Nerd Tutorials: https://randomnerdtutorials.com/esp32-littlefs-arduino-ide/

Things To Like About ZFS

This presentation gives an overview of the Zettabyte File System (ZFS).
The hosting platform for this demonstration is FreeBSD on Minisforum mini PCs.

Topics covered are a brief introduction to ZFS, how to create a ZFS storage system, some examples of ZFS in use, and description of the most useful features of ZFS.

Where: Quality Foods, View Royal, 27 Helmcken Rd #110

When: 9:30-10a Cocktails & Conversation
10a Presentation

This is a Hybrid meeting (in-person and on Jitsi).

Join Us Online here:

https://meet.vinnythegeek.ca/vicpimakers

Sat. Apr 27 2024 – Pi Picture Frame

In this session, we’ll get to see not one but two implementations of a Photo Frame running on a Raspberry Pi.

Don’s presentation files are here: Robert’s .pdf file follows.

We are back at Quality Foods, View Royal, 27 Helmcken Rd #110

9:30-10a Cocktails & Conversation
10a Presentation

This is a Hybrid meeting (in-person and on Jitsi).

Join Us Online here:

https://meet.vinnythegeek.ca/vicpimakers

VicPiMakers Meet & Greet (Hybrid)

Saturday, April 13, 2024
9:30 AM to 11:30 AM PDT

  • 9:30-10am Coffee & Conversation (BIG Classroom 175, first floor at Camosun InterUrban Campus)
  • 10am Presentations

Join us for our Meet and Greet, where we explain what we do, and why we do it. Visitors may have the opportunity to learn about cool technologies such as artificial intelligence on a Raspberry Pi, LAMP on the Orange Pi and automated sprinkler systems.

Parking at Interurban in lot P8 is free on weekends for Saanich parks and trail users.

Interurban map: https://camosun.ca/sites/default/files/2021-11/iu_map.pdf

https://camosun.ca/about/our-campuses/transportation-and-parking/campus-parking

Sat Mar 9 2024 – Running AI at home on a Raspberry Pi

Craigs presentation notes are here. http://www.makikiweb.com/Pi/ai_on_the_pi.html

8:45-9:00a Coffee & Conversation
9:00a Presentation

PLEASE NOTE: earlier time for this meeting. There is another group who will be using the room at 10:45a.

AI is not just for the big guys any longer. It is possible to run an Artificial Intelligence program on your Pi 4 or Pi 5. In this presentation, we’ll learn about how to run an several AI models on the Pi, the advantages and disadvantages of each.

We’ll open the floor to ask the AI questions (via a web interface on the local network), so bring a laptop, all over IPv6!

This is a Hybrid meeting (in-person and on Jitsi).

Join Us Online here:

https://meet.vinnythegeek.ca/vicpimakers

Feb 10, 2024 – Proof in A Box

How to make a bread dough proofer from an Amazon cardboard box, or more accurately, an example of Proportional Integral Derivative control of a process. Yes the box has actually proofed bread dough that was used to make cinnamon buns.

We are back at Quality Foods, View Royal, 27 Helmcken Rd #110

9:30-10a Cocktails & Conversation
10a Presentation

This is a Hybrid meeting (in-person and on Jitsi).

Join Us Online here:

https://meet.vinnythegeek.ca/vicpimakers

Sat Jan 13 2024 – Home git server & workflow

Happy 2024!

Mark will share how to create a home git server (take that github!) and the workflow with it.

Basic Git Home “Remote” Server Using

SSH With Gitolite

Mark G.
January 13, 2024

An installation and configuration of a source code control system (SCCS).
The SCCS uses the Secure Shell (SSH) protocol, the Git version control
system (VCS), and a software package named Gitolite. A user of the system provides a public key that is tied to configured identities for the purposes of access control to git repositories. The repositories configured on this server are intended to be used as remotes, in terms of how git defines a remote.
This demonstration was hosted on a FreeBSD 13.x operating system running on a raspberry pi 4.

We are back at Quality Foods, View Royal, 27 Helmcken Rd #110

9:30-10a Cocktails & Conversation
10a Presentation

This is a Hybrid meeting (in-person and on Jitsi).

Join Us Online here:

https://meet.vinnythegeek.ca/vicpimakers

Sat Jan 27 2024 – heat sinks and pi irrigation controller.

An application of Blue Board in calculating heat sink cooling capability, measured in Watts

By measuring the interior chip temperature over a few seconds of a chip cooled by a heat sink, you can calculate the watts dissipated by the heat sink. The DS18B20 measures temperatures up to 125℃ at the interior of the chip.
This is a useful measurement If you are making your own heat sinks out of copper tubes or folded aluminum sheathing,  You can also compare the effectiveness of different heat sink compounds this way.

The presentation is at this bookmark in a longer presentation on how to set up a Raspberry Pi Pico as a Blue Board learning tool. Blue Boards are available for free from George at 250-893-7423

Sat. Dec 9 2023 – Pi Essentials + DNSMasq at home

A 2 part presentation, Pi Essentials, always good to know. And using DNSMasq to DNS-up your house (never think in numbers again)

Pi Essentials will be a beginner level introduction to some of the things you can (or maybe should) do when the Pi starts up. Nothing requires more than a few lines of code, and these are the sort of add-ons that can go with your main project. Included are buttons to put the Pi in standby mode, and start it running again, and pilot lights to show whether or not the Pi is running. A sound notification at start-up using simple text to speech, and how to put an icon on the desktop that can be clicked on to start your program are also included.
The way these utilities are organized and documented will illustrate one method of keeping track of your SD card contents.

The presentation is here

We are back at Quality Foods, View Royal, 27 Helmcken Rd #110

9:30-10a Cocktails & Conversation
10a Presentation

This is a Hybrid meeting (in-person and on Jitsi).

Join Us Online here:

https://meet.vinnythegeek.ca/vicpimakers

Sat.Nov 25, 2023 – Running Alpine Linux (with XFCE) on the Pi

Naturally, you can run PiOS on your Raspberry Pi, but are there other options, which have a full GUI (XFCE). Turns out, you can run Alpine Linux with full GUI on the Pi. A lighter-weight distro, which also doesn’t require systems.

Craig’s presentation notes are here: http://www.makikiweb.com/Pi/alpine_linux_installing_gui.html

9:30-10a Cocktails & Conversation
10a Presentation

This is a Hybrid meeting (in-person and on Jitsi).

Join Us Online here:

https://meet.vinnythegeek.ca/vicpimakers

Nov 11 2023 – Intro to NextCloud on a Pi

Why just run your own video conferencing server, when you can simultaneously run that AND mail, calendaring, contacts, calls, IM, file sharing, remote backup, and a web-based office suite, all in one intimidating package. Get your own thrift-store Google G Suite going with the open source Nextcloud platform on a tiny Raspberry Pi! Great for the privacy-conscious, the independent, and masochists. We’ll do it the hard way and make configuring Jitsi look like recess at kindergarten (and then do it the easy way). Warning: the hard way will race through dependencies including Apache, PHP, MySQL/MariaDB and openSSL, so expect some mild suffering.

Richard’s Blog here:

Actual process including configuring a web server and database and installing from a source tarball:
https://tech.kosmokaryote.org/2023/11/technology-nextcloud-on-raspberry-pi_22.html

here are the pdfs

and here


Much briefer post using nextcloudpi via docker from my notes, as originally demoed:
https://tech.kosmokaryote.org/2023/11/technology-nextcloud-on-raspberry-pi.html

9:30-10a Cocktails & Conversation
10a Presentation

This is a Hybrid meeting (in-person and on Jitsi).

Join Us Online here:

https://meet.vinnythegeek.ca/vicpimakers

Sat. Oct. 28, 2023 – Forgotten Pill Warning (Hybrid)

George gets a scolding from Alexa for not opening his pill box on time.  Technologies include 

  • A dollar store pill box,
  • ESP8266 micro-controller
  • PHP server page to receive message from ESP8266
  • Cron job to notice late opening and to send a scolding email and SMS
  • IF This Then That (IFTTT) to signal Alexa
  • Amazon Alexa Echo Show to further admonish George to open the damn pill box.

George’s presentation .pdf is here

For the meet and greet, George explains how this device can be shipped without the recipients SSID and wifi password, using only 20 bytes of code on the micro controller.

9:30-10a Cocktails & Conversation
10a Presentation

This is a Hybrid meeting (in-person and on Jitsi).

Small Boardroom @ Quality Foods, 27 Helmcken Rd #110 · View Royal

Join Us Online here:

https://meet.vinnythegeek.ca/vicpimakers

Sat. Oct. 14, 2023 – IPv6 and Installing Galene, an Open Source video conf app (Hybrid)

I have been playing with Galene for over a year. And have been using it on a weekly basis to do video conferencing with some friends in Ottawa. It is much easier to install than Jitsi, but lacks some of the finer points of jitsi.

Still, you can install and run it on a Raspberry Pi (even a 3b+ !). In this presentation, I’ll show how easy it is to install on a Pi, and you can run your own personal video conferencing server.

Craig’s presentation is here: http://www.makikiweb.com/Pi/galene_installing.html

9:30-10a Cocktails & Conversation
10a Presentation

This is a Hybrid meeting (in-person and on Jitsi).

Small Boardroom @ Quality Foods, 27 Helmcken Rd #110 · View Royal

Join Us Online here:

https://meet.vinnythegeek.ca/vicpimakers

Learn Python on a Pico

Saturday, July 8th 9:30 am til noon and Saturday July 15th 9:30am till noon.

At Quality Foods Eagle Creek Shopping Center in the upstains boardroom

Register here: https://forms.gle/py3BzTUxfyfPj67o8

You need to bring a laptop:

  • A windows laptop or 
  • Linux laptop or 
  • chromebook with linux enabled. 

We loan you

  • A Raspberry Pi Pico with LED and temperature sensor
  • A micro USB cable

You build a digital thermometer that can

  • Report the highest and lowest temperatures of the last 24 hours
  • Signal when a room is dangerously overheated

Here is a description of the class


2023 Summer Break

VicPiMakers is taking a well-deserved summer break. We will be back to our regular bi-weekly programming in September. In the meantime… join us at our Linux SIG or NetSig. See the blocks on the right for the details and links.

Sat, May 13, 2023 – Projects Day

We will be having a discussion about Projects that we are working on, but haven’t shared with the group. These can be projects that are successful or ones that just didn’t work out and have been abandoned. We’ll enjoy hearing about other’s projects, and perhaps even offer to help.

9:30-10a Cocktails & Conversation
10a Presentation

This is a Hybrid meeting (in-person and on Jitsi).

Small Boardroom @ Quality Foods, 27 Helmcken Rd #110 · View Royal

Join Us Online here:
https://meet.vinnythegeek.ca/vicpimakers