Tech Explorations Blog

News and articles about education technology

A 'wired' IoT network for makers

It was a few minutes before midnight when the security alarm of our neighbors started whaling. It happens all the in our neighborhood, and nobody pays attention anymore. However, that night, I was alone in the house with our baby, so I took a nervous peek through the window. And there it...
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Stemiverse 0051 - Christie Evans discusses learning through real-world problem-solving

Welcome to Stemiverse Podcast episode 51. In this episode, Dr. Peter Dalmaris talks with Christie Evans. Sorry, your browser does not seem to support the audio player. Please consider upgrading to the latest Firefox, Chrome or Safari browser. Christie...
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My search for the ideal PCB design tool... the conclusion

Greetings! In my previous post, I started telling you a familiar tale: when your project overgrows the breadboard, frustration will only intensify. Unless you use the appropriate tool and migrate your circuit to a well-designed PCB. At the end of my previous message, I wrote that I made a list...
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Kicad Like a Pro, 2nd edition | How to automatically route a PCB using Kicad and FreeRouting

I'd like to show you one of the things that you can do really quick in Kicad. One of the features that can take your work with circuits and your workmanship to the next level. It is one of the recipes in my book, in which you will learn how to quickly create the connections (routes) in a circuit...
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Stemiverse 0050 - Nurit Bar-Shai discusses the intersection of art, science and technology

Welcome to Stemiverse Podcast episode 50. In this episode, Dr. Peter Dalmaris and Marcus Schappi talk with Nurit Bar-Shai. Sorry, your browser does not seem to support the audio player. Please consider upgrading to the latest Firefox, Chrome or Safari...
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My story to Kicad Like a Pro, 2nd edition (ebook now available)

Time: A few years ago. Place: My lab. I'm sitting at my workbench. Resistors, pots, jumper wires and other components are scattered. My back is in pain, reminding me it's been a long day. I've been focusing on my work so intensely that I forgot to take a single break. But I like what I have...
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Why Kicad? here's my top ten reasons

The ebook version (in PDF, epub and mobi formats) is available now at the Tech Explorations bookstore. You can find detailed information about this book here. Since Kicad first appeared in the PCB CAD world in 1992, it has gone through 5 major versions and evolved into a serious alternative...
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Stemiverse 0049 - Andra Keay discusses art, science and Robotics

Welcome to Stemiverse Podcast episode 49. In this episode, Peter talks with Andra Kaye. Sorry, your browser does not seem to support the audio player. Please consider upgrading to the latest Firefox, Chrome or Safari browser. Andra is the Managing...
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A new free introductory course for the Arduino

Are you are a maker, STEM student or teacher, and interested in learning how to use the Arduino in your projects? Are you frustrated by countless disjointed blog posts, tutorials and Youtube videos? If yes, then you're in luck. I've put together a comprehensive getting started guide, at the...
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A comparison between 2 and 4 layer PCBs - Made with Kicad

The text in this post is based on the transcript of the video. In this video I'd like to show the results of the PCBs that I ordered a few weeks ago from PCBway.com and I've finally received them a couple of days ago. These are the PCBs from one of the projects from my new book "Kicad Like a...
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