Latest Newsletters

July 04, 2025

The Story of the Transistor; To Solder or Not; The Big Bang Z-Pinch Machine; Electronic Chessboard

• The Story of the Transistor
• To Solder or Not
• The Big Bang Z-Pinch Machine
• An Electronic Chessboard Using RGB LED Strips and Hall Effect Sensors

June 27, 2025

The Yamaha CX5M; An RTOS for the Arduino; Simple Simon Game Using a Flea-Scope; Customizable Musical Doorbell

• Micro Memories: The Yamaha CX5M: The Music Computer - 80’s Style
• A Real-Time Operating System for the Arduino
• Build a Simple Simon Game Using a Flea-Scope
• Build a Customizable Musical Doorbell

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From the Q&A

Selected questions from past Q&A columns.

• Attic Fan Controller
• Stepper Motor Overview
• Winding Single-Layer Air Coils
• Wide-Range Current Regulator
• Sawtooth Generator

Popular Stories

• Wirespondence!
• RADAR And Electronic Warfare Fundamentals
• Wire Wrap Is Alive And Well!
• Turing Machines
• 1920s Radio Applause Cards

Learning Electronics

Need to brush up on your electronics principles? These multi-part series may be just what you need!

• Understanding Digital Logic ICs
• Bipolar Transistor Cookbook
• Op-Amp Cookbook
• FET Principles And Circiuits
• Triac Principles And Circuits
• Understanding Digital Buffer, Gate And Logic IC Circuits
• Checking Inductors
• Small Logic Gates — The building blocks of versatile digital circuits.
• Security Electronics Systems And Circuits
• Using Seven-Segment Displays
• Signal Generators

Archives

• April 2017
• March 2017
• January 2017
• October 2016
• June 2016

Recent Posts

• April 13 - A Night at the Opera?
• April 13 - 3D Printable Tractor Beam
• March 07 - Video Games Turn 50
• March 07 - Make Your Raspberries Touchable
• January 27 - World’s Smallest Transistor — Sort of

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