• Blog

Welcome

My name is Jef Brink, welcome to my blog. If you want to know more about me click here. If you want to contact me, send an email to jbrink@sigmaiq.ca or follow sigmaIQ on bluesky This blog will focus on my interests in electronics, RF, RV’s, camping, equipment reviews and anything else I find interesting.

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Cyberdeck Hardware Part 2

The Case I had a few requirements for the case, I needed a case with top and bottoms inserts that could be 3D printed on a 330 x 240 x 300 mm print bed without having to “glue” them together. I also new I wanted a 10 inch screen. So based on those rough size […]

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Cyberdeck Introduction

I realize I am late to the Cyberdeck build, but I was inspired by a number of builds I saw online. The one good thing about being late to the build game is you can take inspiration from the other builds and add in your own ideas. As everyone has a slightly different use case, […]

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Measuring Cable Length Using an Oscilloscope and Signal Generator

Measuring Cable Length Using an Oscilloscope and Signal Generator In this article, we’ll look at the basics of measuring the length of a cable using an oscilloscope and a signal generator.  You may ask yourself, why on earth would you need to do this?  The short answer is you wouldn’t.  So why go through the […]

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Current Shunt

Introduction Like many of the projects that I take on they generally start out as a hobby, a few of them turn into commercial projects but most do not. I have no idea if this project will be commercialized, after all there are some really good smart shunts already on the market. But hey… thats […]

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Setting Bluetooth Range Expectations

When I was looking at designing the Level Up module I wanted to get a sense of any pain points and the reasons that would trigger purchasers to return their products. It didn’t take long before I noticed a common thread. The commenters were clearly frustrated with two aspects, but we are going to focus […]

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EMS Installation

When we bought our EPro 19FD, I was informed that I should buy a good surge suppressor and power monitoring device to protect our new trailer and all its valuable electronics. My first thought this is overkill… right? After all we had camped with a tent trailer for 20 plus years and never had an […]

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EPro Electrical Schematic

Introduction Back in the summer of 2023 we experienced a rather strange electrical problem with our trailer. We had a situation where there was no DC power in the trailer. No lights, fans, radio, tv, etc. It was the strangest thing. All the circuits worked fine when: The battery charging, power jack and the brakes […]

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Cyberdeck Rugged Battery Case

Introduction So what do you do with a spare Nanuk 905 IP-67 case? You design and print a 3D insert for said case to store… wait for it … batteries. I can hear you all now… that’s completely ridiculous! Well of course it is, but thats not really the point. The point is, because I […]

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Ultimaker S5 – 4 Year Review

Introduction After looking around for a semi-professional 3D printer for six months, and then agonizing over the price for another six months I finally purchased a Ultimaker S5 Pro bundle in January 2022. Why I Bought It I bought my first 3D printer for rapid prototyping in 2020-2021. I started off with a JGAurora A5 […]

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Lifting our EPro 19FD

One of the things that I really disliked about our 19FD was the low ground clearance. The sewer cleanout and the stabilizer jacks have been a constant source of worry for me. We have also had issues trying to fill our sewer tote on some sites as the sewer cleanout was below the top of […]

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