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David Goodsell

David's Articles

Can You Trust Your Voltmeter?
September 2018
You can easily build or buy a perfectly good IC voltage reference and set your mind at ease about the accuracy of your meters.

Build Your Own Funky STEAMPUNK Display
July 2018
Using 1” high seven-segment electromechanical displays (EMDs) in projects.

The Magic of the Gilbert Erector Set
April 2017
Update a classic Erector Set Ferris Wheel with an Arduino.

Name That Part!
December 2016
Test your electronic components knowledge with this photo quiz.

Name That Part!
September 2016
Test your electronic components knowledge with this photo quiz.

Name That Part!
June 2016
Test your electronic components knowledge with this photo quiz.

Old Heathkits Never Die, They Just Get Restored
May 2016
If you enjoy restoring old electronic equipment, then you’re gonna love this story of bringing a Heathkit EC-1 back to life.

Name That Part!
March 2016
Test your electronic components knowledge with this photo quiz.

Build a Fun Wind Speed Tracker with a Raspberry Pi
February 2016
The tiny plot on my Davis weather station’s LCD screen is not very resolved and I wanted it to be better ... a whole lot better. The solution: a Raspberry Pi!

The Retro-Shield: Where the Past Meets the Present
April 2013
Combine a vintage vacuum tube with an Arduino for an updated version of an AM broadcaster.

Build a Wall Wart Power Monitor
February 2011
This self-contained, battery-powered unit measures both DC current and voltage. It accepts four of the most common wall wart plugs and also has four identical output plugs — ready to hook to your project.

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