A mini tutorial on how to build your own modular synthesizer system.
The Radio Station that Bridge Built
by Michael Banks
A fun historical look at how radio broadcasts promoted the game of Bridge.
Libraries and Headers in C: A Tutorial
by Jon Titus
Learn how software utilizes libraries, and how you can create your own.
DIY Biotech: A Spectrophotometer for Measuring Bacterial Growth
by Bryan Bergeron
Work with a spectrophotometer using E Coli.
Circuit Simulation Made Easy
by Clark Hamilton
Learn a simple numerical method that is intuitive and solves many complex circuit problems with just a few lines of code.
Discovering the NESCAF
by Steve Jackson
Review of a surprisingly simple yet powerful audio filter kit.
Dark Energy and the Expanding Universe
by George R. Steber
Explore concepts such as energy density and negative pressure as it relates to our universe.
Waiting for 5G Wireless
by Louis E. Frenzel
A status report on 5G to bring you up to speed.
Build a Variable Voltage Reference
by Jim Teixeira
While most voltage references only generate a single voltage, this design offers variable voltage from zero to 10 volts.
Build the Graphing Thermometer
by Edward Andrews
This project joins an Arduino CPU, some temperature/humidity sensors, and a real time clock (RTC) module to a large (3.5 inch) high-resolution color LCD graphics display to create a fun and useful graphing thermometer.
The Ham’s Wireless Workbench by H. Ward Silver The Smith Chart Unravel the mysteries of transmission lines with this unique chart.
Q&A by Kristen McIntyre Electronics Q&A (02.2019) Questions on “firebottle” (tube) gain and attenuating calculations.
New Products (02.2019) Modern Build System, Series of Spectrum Analyzers, Compact Isolation Transformer.
How to Learn CW by Bryan Bergeron There is merit in learning and using CW, and it’s more convenient than ever.