Paul Kafig

Latest Newsletters

March 12, 2021

Wirespondence, Serial Bluetooth with a Micro, Analog Front End, AM/FM Receiver Restoration

• Wirespondence!
• Using Serial Bluetooth With a Microcontroller
• Why You Need an Analog Front End and How to Set It Up
• Restoring a Vintage Zenith Table Top AM/FM Receiver from the ‘60s

March 05, 2021

Analog Waves from Digital Signals, DIY Electric Scooter, The Solar Alternative, Driving LEDs with a Microcontroller

• Generating Analog Waves From Digital Signals
• Build a DIY Electric Scooter
• The Solar Alternative
• Driving LEDs with a Microcontroller

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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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