Douglas Booth

Latest Newsletters

July 31, 2018

Arduino PID - Laser Rainbow Machine - IoT Sump Pump - All About Ferrite

• Arduino PID Temperature Control
• Build a Musical Laser Rainbow Machine
• Build the IoT Sump Pump (or Pretty Much Anything IoT)
• All About Ferrite

July 27, 2018

Synchronizing a 60 Hz CCO to the Line, and More!

• Synchronizing a 60 Hz Crystal Controlled Oscillator to the Line
• Solar Intensity Monitor
• Rebirth of a Tubular Door Chime
• How to Use a Transistor as a Switch

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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
• What The L Is It?

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
• Smiley's Workshop: AVR C Programming Workshop
• Smiley's Workshop: Serial Communications Between An Arduino And A PC
• 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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