Whether you own or intend to build/buy a CNC router, make it a habit to routinely check for backlash.
A mini tutorial on how to build your own modular synthesizer system.
A fun historical look at how radio broadcasts promoted the game of Bridge.
Learn how software utilizes libraries, and how you can create your own.
Work with a spectrophotometer using E Coli.
Learn a simple numerical method that is intuitive and solves many complex circuit problems with just a few lines of code.
Review of a surprisingly simple yet powerful audio filter kit.
Explore concepts such as energy density and negative pressure as it relates to our universe.
While most voltage references only generate a single voltage, this design offers variable voltage from zero to 10 volts.
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.
Open Communication
by Louis E. Frenzel
Waiting for 5G Wireless
A status report on 5G to bring you up to speed.
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.
Reader Feedback (02.2019)
Comments from readers.
