Tech Explorations Blog

News and articles about education technology

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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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 Guide Github repository) //Original sketch:...
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Stemiverse 0048 - Kurt Yang discusses modern educational technology

Welcome to Stemiverse Podcast episode 48. In this episode, Peter talks with Kurt Yang. Sorry, your browser does not seem to support the audio player. Please consider upgrading to the latest Firefox, Chrome or Safari browser. Kurt is the product...
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Dynamic Design by Norman Pirollo - How to adapt an existing design to new criteria and data

A quick message from Peter... This article appears in issue 1 of Woodskills. Woodskills is a magazine that includes a small selection of fine articles on woodworking, and profiles of established woodworkers and furniture makers. I invite you to enjoy this article on Dynamic Design. It is written...
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Appendix A. List of Pertinent Applicable Standards

This document is part of a series. The topic of each appendix in this series is explained below. Please use these links to access each one. Have questions? please post it in the discussion box at the bottom of this email. You may contact the author, Larry Joy, via email at lawrence_joy at...
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Appendix F: Scenario Questions and Answers

This document is part of a series. The topic of each appendix in this series is explained below. Please use these links to access each one. Have questions? please post it in the discussion box at the bottom of this email. You may contact the author, Larry Joy, via email at lawrence_joy at...
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Appendix E: KiCad Anomalous Handling of Suffix Letters

This document is part of a series. The topic of each appendix in this series is explained below. Please use these links to access each one. Have questions? please post it in the discussion box at the bottom of this email. You may contact the author, Larry Joy, via email at lawrence_joy at...
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Appendix D: System Subdivision

This document is part of a series. The topic of each appendix in this series is explained below. Please use these links to access each one. Have questions? please post it in the discussion box at the bottom of this email. You may contact the author, Larry Joy, via email at lawrence_joy at...
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Appendix C: List of Nonconforming Class Letters

This document is part of a series. The topic of each appendix in this series is explained below. Please use these links to access each one. Have questions? please post it in the discussion box at the bottom of this email. You may contact the author, Larry Joy, via email at lawrence_joy at...
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