The Tech Explorations Blog

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

ESP32 Unleashed, a sample lecture
ESP32

ESP32 Unleashed, a sample lecture

ESP32 Unleashed is a project course. The structure of the course resembles my development process. My development process, whether it is a course, a gadget, or a book, or fixing...
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ESP32: how to retrieve a file from the SPIFFS
ESP32

ESP32: how to retrieve a file from the SPIFFS

In ESP32 For Busy People, I have a section on the SPIFFS, the SPI file system. In this section, I show you how you can upload a file (like an...
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PlatformIO + ESP32: 6 top reasons for learning it
ESP32

PlatformIO + ESP32: 6 top reasons for learning it

In this article, I write about my top six reasons why I decided to learn how to use PlatformIO (in no particular order).
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New course: ESP32 Unleashed
Course ESP32

New course: ESP32 Unleashed

We are placing the final touches on a new course, titled "ESP32 Unleashed". In this course, I'll show you how to use the ESP32 dev kit to make a gadget...
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ESP32 IoT gadget project, update 6
ESP32 News

ESP32 IoT gadget project, update 6

The previous PCB, v1.1, worked well "out of the box". But I wanted to include more information about the various pins and their roles by adding text in the silkscreen. In this post, I describe the features of the new version of the PCB.
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My visit at wings over Illawarra, 2019
News

My visit at wings over Illawarra, 2019

Early in May, Leo, Ari, and myself drove south, to the regional airport at Albion Park. It was a special day. Aircraft, old and new, were on display. On the...
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An interview with Wayne Stambaugh, KiCad project leader
CAD KiCad

An interview with Wayne Stambaugh, KiCad project leader

KiCad, which started as a private project by Jean-Pierre Charras, an Academic at IUT de Grenoble in 1992 (just a couple of years after the Web was born!!!), is now the PCB design tool of choice for thousands of professional engineers and hobbyists. Wayne, a self taught programmer, is the current leader for the KiCad project. He was one of the first contributors to the project when he joined in 2006. If fact, it was a team of three: Jean-Pierre Charras (the original creator), Dick Hollenbeck (the first project leader), and Wayne.
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Podcast interview with George Katz from AirCommand Rockets
Guest Rocketry

Podcast interview with George Katz from AirCommand Rockets

https://youtu.be/2HEyL0-ocjk George Katz discusses rocketry and engineering with Peter Dalmaris The podcast version for this interview is available, please check it out (contains detailed show notes). A couple of months...
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ESP32 for Busy People
ESP32

ESP32 for Busy People

My new ESP32 course is almost ready, and I am very excited! 🤩I just finished working on the promotional video. You can learn more about the contents of "ESP32 for Busy...
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ESP32 For Busy People: What is this course about?
ESP32

ESP32 For Busy People: What is this course about?

Here's another video of my new ESP32 course, "ESP32 For Busy People".In this video, I provide more information about the content of the course. This should give you a better...
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