Show and Tell of how you are controlling the world (or at least your part of it) with an AC Power Control project. All are invited to share in this meeting.
QCollege, Suite 303 771 Vernon Ave · Victoria, BC, has welcomed us back to meet in-person. We thank them for their support.
Jim will cover the details of Infra-Red Communications, including basic components (emitter & receiver), data encoding methods, external components & software, how to generate pulses, and how to receive pulses on the Pi Pico.
IrDA Infrared communication Infrared Emitting Diode • Angle of half intensity: ϕ, • Relative radian power vs wave length Infrared Receiver • Series for remote control • Automatic gain control (AGC) • Data format compatibility Data Encoding Methods • Pulse distance encoding, Pulse width encoding, Manchester bi-phase encoding Basic IR System –IR emitter/receiver • External components/software • Generating Pulses • With PSoC PWM interrupts • Raspberry Pi Pico State Machine • Receiving Pulse • Raspberry Pi Pico using interrupts Single Pulse Application Example IR Receiver for Continuous Data Communication • What works for RS-232 data transmission and why? Project Utilising IR emitters/Receivers using RS-232 Communication Reference
Intro to Pi & Others Discussion. We will review the course materials, and discuss improvements, and getting the word out.
Intro to Pi & Others is a four part series with each session building on the previous sessions, where Pi basics of software and hardware will be explored.
Now that you have the world’s most useful project, it is time to package it up so the world doesn’t break it. We’ll discuss using different packaging containers to protect your project.
Deid will give the Introduction to Pi presentation he gave to the OPCUG (Ottawa PC Users Group) last fall. It will be chock full of ideas for that Pi you have just laying around, or stuff in a drawer.
Electronics doesn’t have to be all tiny surface mount components that you can barely see. George will tell us about how to do electronics using bolt cutters this month.
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.
