The Tech Explorations Blog

Articles about technology, learning, and making from Peter and guest bloggers

Here’s to the end of an awesome year, and the start of another awesome year
News

Here’s to the end of an awesome year, and the start of another awesome year

Another year is about to end, only to get us into a new one. For me, the last twelve months were full of learning and discovery. I read more books...
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Learning like an inventor (Book chapter from Maker Education Revolution)
Education

Learning like an inventor (Book chapter from Maker Education Revolution)

This post is a chapter from my book "Maker Education Revolution". For image attribution, please scroll to the bottom of this post. “To invent, you need a good imagination and...
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A ‘wired’ IoT network for makers
Arduino Tools

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...
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My search for the ideal PCB design tool… the conclusion
CAD KiCad

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...
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Kicad Like a Pro, 2nd edition | How to automatically route a PCB using Kicad and FreeRouting
How To... KiCad

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...
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My story to Kicad Like a Pro, 2nd edition
CAD KiCad

My story to Kicad Like a Pro, 2nd edition

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...
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Why Kicad? here’s my top ten reasons
CAD KiCad

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...
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A new free introductory course for the Arduino
News

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...
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A comparison between 2 and 4 layer PCBs – Made with Kicad
How To... KiCad

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...
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Why should I call detachInterrupt at the start of an interrupt service routine?
Arduino How To...

Why should I call detachInterrupt at the start of an interrupt service routine?

To understand the explanation below, please consider this example sketch. This sketch is used to debounce a rotary encoder: (Original is sourced from the Arduino Step by Step Your Complete...
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