When It Comes to Vintage Restoration, Beware of NOS
Think twice before you dive into the often frenzied, hyperinflated world of NOS.
UV Sanitizer: How to Build One and Measure Its Efficacy
Build a UV sanitizer from a UV LED panel and a small reflective enclosure.
Death, Taxes, and Exposure to Electromagnetic Radiation
Use common sense when it comes to EMR exposure.
Learn to Send and Receive Morse Code with the Morserino-32
Review of the Morserino-32 CW Trainer.
DIY Biotech: A Spectrophotometer for Measuring Bacterial Growth
Work with a spectrophotometer using E Coli.
Basic Biological Signal Monitoring with a Translational Reality Twist
Use an inexpensive ear-clip heart rate sensor and an everyday Arduino to create a simple biological monitoring system.
Leaded Components: Reports of their death have been greatly exaggerated
Leaded components are easy to work with, so don't discount them just yet.
My First Time Machine — Well, at Least My First Flux Capacitor
With a circuit simulator and a basic knowledge of components and circuit theory, it’s possible to simulate just about any electronic device that can be built.
Translational Reality Part 2: Control the World by Playing Pong
See how a classic video game can be adopted for use as a translational reality interface to enable the player to monitor and operate a remote device by simply playing the game.
The Art of Electronics: What Constitutes the Atomic Level?
When teaching electronics to others, how do you determine the atomic level?
A MAKER’S DOZEN: Designing Around Failure
I just finished a major production run of simulators for training physicians on how to examine the eye. Based on my failure rate, I'd say that a proper maker's dozen is 13.5 units. But, when it comes to DIY, it's not really a "failure rate" but a learning opportunity.
Indestructibles: The Lure of Tube Audio Equipment
My Sony integrated amp with copper chassis and huge toroidal transformers was a tour de force in my audio setup before the power mains took an indirect lightning hit. Because the microcontroller was fried, I couldn’t even get the unit to power up.
Developing Perspectives — When All You Have is a Hammer
Sometimes expertise in one area unnecessarily narrows the range of options to be considered when assessing a problem.
The microMedic Kit
This is a review of the microMedic Contest Kit, designed to support the 2013 microMedic National Contest sponsored by the US Army's Telemedicine and Advanced Technology Research Center in collaboration with Carnegie Mellon Entertainment Technology Center and Parallax, Inc.