Due to the current situation @ March 14, 2020, in-person meetings have been suspended until further notice. Please do join us on Slack or at our online learning sessions using Jitsi. Write to hello at vicpimakers.ca for invitations and information.
Q-CollegeSuite 303 771 Vernon Ave · Victoria, BC – 10am
1) Hack Challenge, by George Modify a window alarm to be a useful or entertaining device. Window alarms to be supplied free March 14th, one per attendee.
3) … bring projects that you want to share or need help with… If you like, email a description to be added to this page.
It is fun to repurpose battery powered consumer products. For instance, here is a Leak Detector made from a window alarm. The article includes the window alarm schematic.
And George made a bike theft deterrent alarm with remote radio alerting from the same window alarm.
In normal operation, the window alarm senses separation from its external magnet via its internal reed switch and feeds its piezo disk with an oscillation. The window alarm runs on 3 button cells and draws no current when the reed switch is open. There is also a slide switch to enable/disable the alarm.
Here is a photo of the circuit board: The OUT signal from the 8 pin oscillator chip is a 10V DC wave, pumped up by the inductor from 5 volts. A voltage divider can be added to lower this chip output signal to less than 5v to feed another device.
Deid successfully connected a 50 light string of addressable LEDs to an ESP8266 to cause the lights to light and change colour and move and …
Deid created the following patterns:
Primary
Random
Web Safe
Follow
Lead
Random On ***
All On
All Off
Rainbow
Moving
Colour
Christmas
Rainbow Group
Dual Colour *** *** Shown in the images
The ESP8266 C code to do this can be found here. Deid makes no representation that the existing code is good. In fact he knows some of it is not. Feel free to fix.
The challenge is to add more patterns and the code to implement the patterns. If you send Deid the code he will load and try the code. Unless someone comes up with a better way for folks to test remotely.
Using Nexus DR-S hat on your Pi to control your Amateur Radio. Nexus DR-X (aka: DigiLink) is a digital radio cross patch that allows you to link the Raspberry Pi sound card of your choice to nearly any amateur radio transceiver to enable perfect digital data communications.
The Buster RPI image includes a host of Ham apps and a simple dialog box that makes updating and installing your favorite programs easy. Deid’s presentation notes are here.
Tuesday, May 21, 2019 6:00 PM to 7:30 PM Q-College Suite 303 771 Vernon Ave · Victoria, BC
Intro to Pi & Others is a 4 part series of short monthly sessions to help get you up and running with your Pi or Other (embedded device). It is a structured hour-long session where you can ask questions.
Please bring in your Pi, HDMI cable, and power supply. All other equipment will be provided.
This is a four-part series with each session building on the previous sessions, where Pi basics of software and hardware will be explored. Read More
Tuesday, May 7, 2019 6:00 PM to 7:30 PM Q-College Suite 303 771 Vernon Ave · Victoria, BC
Intro to Pi & Others is a 4 part series of short monthly sessions to help get you up and running with your Pi or Other (embedded device). It is a structured hour-long session where you can ask questions.
Please bring in your Pi, HDMI cable, and power supply. All other equipment will be provided.
This is a four-part series with each session building on the previous sessions, where Pi basics of software and hardware will be explored. Read More
VicPiMakers will be supporting Projects in 2019. Nzola will present part 2 of his Email Project, and Deid will be showing off his cute little OLED display. See Nzola’s presentation slides here.
VicPiMakers will be supporting Projects in 2019. What are Projects? Deid’s pond is a project, for example. If you have a project idea, bring it in and we’ll see how we can help you complete your project.
George Bowden – Timed Lock Heidi Bada – Intro – https://badadigitalmarketing.com/piprojects/ Ideas Phillips Hue – timed dim/colour Weather Sensors Wearable Sensors in sport Home Safety – Flow sensor in toilet Launchpad pro using python – Open Firmware project Environmental Sensors – birdfeeder motion (wisecam), soil moisture Pi version of “the clapper” Eileen & Cody – Space Station Light & Sound – https://github.com/cozyhost/ Plan on lighting Neo Pixels Peter Sprague – Packet Radio Satellite tracker Portable, run in truck Moved from Pi, to FreeBSD Dan Willis – LED running as a Canadian flag flying Weatherproof boxes outside
10:00am Q-College, Suite 303 – 771 Vernon Ave, Victoria, BC
Contact projects at vicpimakers dot ca to share your project on our next Project Day.
10:00am
Q-College, Suite 303 – 771 Vernon Ave, Victoria, BC
Hosted by George Bowden and Craig Miller
LIGHTS OUT, a possible life saver. An acquaintance fell in the washroom and was unable to raise attention for thirty hours, and never fully recovered. The monthly cost ($50) of wearable alert bracelets and the habit of not wearing them is a large risk to seniors living alone. This alarm system, based on an ESP8266 and a php web app, alerts friends that a bathroom light has been left on for way too long. The link to the presentation docs is here.
10:00am
Q-College, Suite 303 – 771 Vernon Ave, Victoria, BC
A shallow Dive into Adafruit’s Circuit Playground Express
The Circuit Playground Express is a small, cheap($32) dev board from Adafruit Industries designed to introduce electronics and programming to the novice. It’s built around an ATSAMD21 ARM Cortex MO processor and is programmable with either circuitpython or Microsoft’s ‘Makecode’ block programming interface. The board also houses a variety of sensors (motion, temperature, light, touch), buttons, a slide switch and IR transmit/receive capability. In this presentation I’ll demo some of the easier projects that I’ve mastered and maybe include something using the Adafruit Crickit, and add-on board for the CPX designed for simple robotics. See the reading list here.
Hosted by Paul and Craig Miller
10:00am
Camosun College
Bldg: Technology Bldg, Room: Tech 259 – 4461 Interurban Rd, Victoria, BC (parking at lot 8 for park users) presentation pdf
led
In this session, we’ll cover programming Neopixel LEDs driven by the ESP8266 using a Web Interface. We’ll cover the hardware interface to the LEDs as well as the web interface (running on the ESP8266 utilizing the PL9823).
In Part2, we’ll harden the installation by adding TLS/SSL and IPv6 support via NodeRed running on a Pi
10:00am
Q-College
Suite 303 – 771 Vernon Ave, Victoria, BC
Jim’s presentation focuses on interfacing sensors and devices ( modules) to microcontrollers followed by actual examples. Two or more examples will be discussed using I/O from pulse inputs, IR transmitters/receivers, accelerometers, load cells, Bluetooth SPP and motion controllers.
10:00am
Q-College
Suite 303 – 771 Vernon Ave, Victoria, BC
Along with everything the Google Assistant already does, you can add your own question and answer pairs. All in a handy little cardboard cube, powered by a Raspberry Pi.
9:30am
Q-College
Suite 303 771 Vernon Ave, Victoria, BC
Discover the advantages of Power of Ethernet (PoE)! PoE is a technology that allows one to only run one cable to a distant device, just an ethernet cable. The distant device not only receives network connectivity, but also power from the single cable. This is good for small low power devices such as ESP8266 (embedded controller) boards. Hosted by Mark G. RSVP on Meetup here.
What are two things that an Internet of Things (IoT) device
must have?
1. An avenue for communication.
2. Power.
There are a number of ways to satisfy both of these requirements
simultaneously. Item one can be fulfilled with:
– Wireless ethernet;
– Wired ethernet;
– Another radio based data exchange (nRF24L01 transceivers, Bluetooth)
to a network attached controller;
– 2G/3G (and friends) cellular connections;
I’m sure there are others.
Power can be handled variously by:
– A device specific transformer using a wall plug;
– A battery or set of batteries;
– A solar power panel w/battery;
– A power over ethernet cable;
I’ll discuss the ins, outs, pros and cons of these needs
and their combinations.
ESP8266 OTA (Over the Air) Updates with Arduino IDE. OTA update is the process of loading a new firmware to ESP8266 module using WiFi connection rather than a serial communication. This type of functionality is extremely useful in case of no physical access to the ESP module.
This presentation, by Greg Lawrance, will include a hands on session for those who want to learn more. Please bring your PI, and preload the software referred to in the meetup announcement.
Tuesday, November 21, 2017
6:00 PM to 7:00 PM
Q-College
Suite 303 771 Vernon Ave, Victoria, BC
Intro to Pi & Others is a short monthly session to help get you up and running with your Pi or Other (embedded device). It is an unstructured hour-long session where you can ask questions, bring in your Pi or Other (and power supply), and get help with your project.
We plan on holding these sessions once a month on a Tuesday night. If you are looking for a bit of help, this session is for you.