Cool Reads Newsletter

March 12, 2021: Newsletter #213
Wirespondence, Serial Bluetooth with a Micro, Analog Front End, AM/FM Receiver Restoration

Related Articles

• 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: Newsletter #212
Analog Waves from Digital Signals, DIY Electric Scooter, The Solar Alternative, Driving LEDs with a Microcontroller

Related Articles

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

February 26, 2021: Newsletter #211
The Care and Feeding of Analog Meters, Strip Board Prototyping, Compiled Basic for a PIC, DNA Playground

Related Articles

• The Care and Feeding of Analog Meters
• The Lost Art of Strip Board Prototyping
• Compiled Basic for the PIC On a Shoestring
• DIY Biotech: Genetic Engineering with the DNA Playground

February 19, 2021: Newsletter #210
Radar and Electronic Warfare, Potentiometer Box, Ready for Zombie Apocalypse, NixieStar Clock

Related Articles

• RADAR And Electronic Warfare Fundamentals
• Build a Potentiometer Box
• The Zombie Apocalypse — Are You Ready?
• Build the NixieStar Clock

February 15, 2021: Newsletter #209
Optoelectronics/LEDs & Lasers, Probing Cores, Music Visualizer, Retooling Again

Related Articles

• THE ‘OPTO’ IN OPTOELECTRONICS — Part 4
• Probing Cores
• Build the Music Visualizer
• The Joys of Retooling — Again

February 05, 2021: Newsletter #208
Optoelectronics/Fiber Optics, World Band Receiver, What the "L" is it?, Watchdog Timers

Related Articles

• THE ‘OPTO’ IN OPTOELECTRONICS — Part 3
• The GlobeSpan World Band Receiver
• What The L Is It?
• Stand-Alone Watchdog Timers

January 29, 2021: Newsletter #207
Optoelectronics, Microcontrollers, Software, and You, Measure the Air Quality Index, What Exactly is Electronics?

Related Articles

• THE ‘OPTO’ IN OPTOELECTRONICS — Part 2
• Microcontrollers, Software, and You — Part 3
• Measuring the Air Quality Index
• So, Exactly What is Electronics?

January 22, 2021: Newsletter #206
Optoelectronics, Microcontrollers, Software, and You, Build the Toilet Sentinel, Setting Up a Test Bench

Related Articles

• THE ‘OPTO’ IN OPTOELECTRONICS — Part 1
• Microcontrollers, Software, and You — Part 4
• Build the Toilet Sentinel
• Setting Up a Test Bench

January 15, 2021: Newsletter #205
GNU Radio Companion, Microcontrollers, Software, and You, Speaker Protection, Death of Leaded Components

Related Articles

• FM Reception with the GNU Radio Companion
• Speaker Protection and Muting with an Optical Coupler
• Microcontrollers, Software, and You — Part 2
• Leaded Components: Reports of their death have been greatly exaggerated

January 08, 2021: Newsletter #204
Static Discharge Offers Cure, Arduino Based Data Acqusition, Rebuild a THS7X0 Battery Pack, Microcontrollers, Software and You

Related Articles

• Static Discharge Helps “Cure” Audio Amplifier
• Arduino Based Data Acquisition
• Rebuilding a Tektronix THS7X0 Portable Oscilloscope Battery Pack
• Microcontrollers, Software, and You

December 31, 2020: Newsletter #203
Power Sources, Practical Loop Antenna Ideas, Data Logger, Change the World

Related Articles

• Power Sources: The Good, the Bad, and the Ugly
• Practical Ideas for Portable Magnetic Loop Antennas
• Single Chip, Four Channel Datalogger
• Change the World

December 23, 2020: Newsletter #202
Signal Generators Part 2, Electronic Lock, Dipole Out of Crutches, Junkbox Parts

Related Articles

• Signal Generators — Part 2
• Build an Electronic Lock
• Build a 50 MHz Dipole Out of Crutches
• Just in Time Parts vs. the Junkbox

December 18, 2020: Newsletter #201
Signal Generators, Instant IoT System, MEMO_Box, AC Volt/Amp Meter with Web Interface

Related Articles

• Signal Generators — Part 1
• The Quantum Integration Ecosystem
• Build the MEMO_BOX
• AC Volt/Amp Meter with Web Interface

December 11, 2020: Newsletter #200
Battery Pack Failure Modes, Remembering the Crystal Radio, the Smith Chart, C Preprocessor Reduces Headaches

Related Articles

• Battery Pack Failure Modes I Have Known
• Remembering the Crystal Radio
• The Smith Chart
• C Preprocessor Reduces Debug Headaches

December 04, 2020: Newsletter #199
AM Transmitter for Antique Radios, Gel Electrophoresis, Thinking of You, Hotrod Your Electric Guitar

Related Articles

• Build an AM Transmitter for Use with Antique Radios
• DIY Biotech: Gel Electrophoresis
• Thinking of You
• Hotrod Your Electric Guitar with Active Tone Controls

November 25, 2020: Newsletter #198
Yamaha CX5M, Meet the ESP8266, High Voltage Power Supply, Build the Cat Away!

Related Articles

• Micro Memories: The Yamaha CX5M: The Music Computer - 80’s Style
• Meet the ESP8266
• High Voltage Power Supply Unit
• Build the Cat Away!

November 20, 2020: Newsletter #197
SmartThings Device Maker, Revive a Hi-Fi Classic, a Bio-Tech Spectrophotometer, Can You Trust Your Voltmeter?

Related Articles

• SmartThings and the Device Maker
• Reviving a Hi-Fi Classic: the Harman/Kardon A-401 Stereophonic Control Amplifier
• DIY Biotech: A Spectrophotometer for Measuring Bacterial Growth
• Can You Trust Your Voltmeter?

November 13, 2020: Newsletter #196
USB, LEDs, and Some Sensors, NeoPixel LED Tree, DIY Biotech, Brain Hacking

Related Articles

• USB, LEDs, and Some Sensors
• Build a NeoPixel LED Tree
• DIY Biotech: Open Source PCR Thermocycler
• tDCS — Brain hacking?

November 06, 2020: Newsletter #195
Power MOSFETs, VI Improves Experimentation, Synchronized Light Displays, USB Keyboard Input

Related Articles

• Power MOSFETs Part 2
• Virtual Instruments Improve Electronic Experimentation
• Synchronized Light Displays
• Quick and Easy USB Keyboard Input

October 30, 2020: Newsletter #194
Power MOSFETs, DIY Biotech, Pocket-Sized Altair Computer, High Voltage Halloween

Related Articles

• Power MOSFETs
• DIY Biotech: Harnessing Bacteria for Fermentation
• Build a Pocket-Sized Altair Computer
• A High Voltage Halloween

October 23, 2020: Newsletter #193
RF Oscillators, To Solder or Not, Using Interrupts, PumpkinFX, Trio de los Muertos

Related Articles

• RF Oscillators
• To Solder or Not
• Confidently Using Interrupts In Your Microcontroller Project
• PumpkinFX

October 16, 2020: Newsletter #192
Oscillators, Learning the Old School Way, Build a Filament Scale, the Crypt Creature

Related Articles

• Oscillators
• Build a 3D Printer Filament Scale
• The Crypt Creature
• For Learning, Old School Can be the Best School

October 09, 2020: Newsletter #191
Ham Radio in a Pinch, Parallel Processing with the FLiP, Monster in a Box, More Tricks with Digital Clocks

Related Articles

• Ham Radio in a Pinch
• Parallel Processing with the Propeller FLiP
• Monster in a Box
• More Tricks with Old-School Digital Clocks

September 25, 2020: Newsletter #190
Light Bulbs, LEDs, and Circuit Junctions, Build a USB Continuity Test Jig, Circuit Simulation, How to Learn CW

Related Articles

• Light Bulbs, LEDs, and Circuit Junctions
• Build A USB Cable Continuity Test Jig
• Circuit Simulation Made Easy
• How to Learn CW

September 18, 2020: Newsletter #189
Invention of the FAX Machine, RaspPi Wind Speed Tracker, Make LEDs Dance Like Candles, ASCII Data from a PS-2 Keyboard

Related Articles

• “Just the (radio) FAX, Ma’am”
• Build a Fun Wind Speed Tracker with a Raspberry Pi
• Make Your LED Dance Just Like a Candle
• Get ASCII Data from PS-2 Keyboards

September 11, 2020: Newsletter #188
Beginner's Guide to Digital Electronics, Substitution Box, Conventional Electronics, Adjustable Load

Related Articles

• The Beginner’s Guide to Digital Electronics
• Hail, the Lowly Substitution Box
• Microcontrollers Are Great — But Don’t Pass Up Conventional Electronics
• Adjustable Electronic Load Using Incandescent Lamps

September 04, 2020: Newsletter #187
Variable Voltage Divider Design, Customizable Doorbell, Degrees of Automation, Connected Cars

Related Articles

• An Elegant Approach to Design a Variable Voltage Divider
• Build a Customizable Musical Doorbell
• Degrees of Automation
• Connected Cars are Coming

August 28, 2020: Newsletter #186
Silent Sensors, Hacking LEDs and Arduinos, Working with I2C Devices, the TRS-80

Related Articles

• Silent Sensors
• Hacking LEDs and Arduinos: Instant LED Projects
• Working with I2C Sensor Devices
• The TRS-80 Model 1

August 21, 2020: Newsletter #185
Simple FerroElectric Memory, Geiger Counter for a Radioactive Cat, ESR Meter, Real Electronics

Related Articles

• A Simple FerroElectric Memory
• Build a Geiger Counter to Monitor a Radioactive Cat
• Build an ESR Meter for Your Test Bench
• Real Electronics

August 14, 2020: Newsletter #184
Graphing Weather Station, Choosing a Heatsink, Fix Up that Old Radio, Secret Life of a Wire

Related Articles

• The Graphing Weather Station
• Choosing A Heatsink
• Fix Up that Old Radio! — Part 2
• The Secret Life Of A Wire

August 07, 2020: Newsletter #183
Phased Array Antennas, Calculators as Coprocessors, Add Sweep Function, Fix that Old Radio

Related Articles

• How Phased Array Antennas Work
• Calculators as Coprocessors
• Add Sweep Function to Your RF Signal Generator
• Fix Up that Old Radio!

July 31, 2020: Newsletter #182
Dr. Duino Explorer, The Colossus of Radio, Build a Video Camera, An Intro to the Propeller 2

Related Articles

• The Dr. Duino Explorer —  A Review
• The Colossus of Radio
• Build a Video Camera Using the ESP32-CAM Board
• An Introduction to the Parallax Propeller 2

July 24, 2020: Newsletter #181
The Story of the Transistor, Build a Castle in the Clouds, Play with Your Food

Related Articles

• The Story of the Transistor
• Build a Castle in the Clouds
• Go Ahead — Play with Your Food

July 17, 2020: Newsletter #180
RTOS for the Arduino; LED Sign Controller; MIDI Replay Stompbox; Death, Taxes and Radiation

Related Articles

• A Real-Time Operating System for the Arduino
• Create an LED Sign Controller
• Build the MIDI Replay Stomp Box
• Death, Taxes, and Exposure to Electromagnetic Radiation

July 10, 2020: Newsletter #179
Graphing Thermometer, C Library Tutorial, MIDI Autoharp, The Transistor Radio

Related Articles

• Build the Graphing Thermometer
• Libraries and Headers in C: A Tutorial
• Build a MIDI Autoharp
• The Transistor Radio

June 26, 2020: Newsletter #178
Pioneers of Electronics: David Sarnoff, Charles Steinmetz, Hugo Gernsback, Thomas Edison

Related Articles

• David Sarnoff And The Birth Of The AM Radio
• Charles Steinmetz, The Father of Electrical Engineering
• The Man Who Invented The Future
• The Edison Cell

June 19, 2020: Newsletter #177
RF Interference, Low Resistance Probe, Stylophone, Learn From These Mistakes

Related Articles

• RF Interference
• Kelvin Low Resistance Probe
• Build a Fun Stylophone
• How To Succeed At Circuit Design By Learning From These Mistakes

June 12, 2020: Newsletter #176
Radio Whisperer, Laser Pencil Engraver, 3-in-1 Tester, Superfluous Technology

Related Articles

• The Radio Whisperer
• Build the Laser Pencil Engraver
• A 3-in-1 Tester for Your Lab
• Superfluous Technology: Avoiding the Binge

June 06, 2020: Newsletter #175
Common Antennas You Need to Know, Numitron Clock, Keep a Logbook, Router Restarter

Related Articles

• Common Antennas You Need to Know About
• Build the Numitron — A Six-Digit Clock
• Make History: Keep a Logbook
• A Router Restarter

May 31, 2020: Newsletter #174
Cobweb Circuit Construction, Audio Distortion Analyzer, Ergonomics of Learning, Insulation Tester

Related Articles

• Copper Cobweb Circuit Construction
• Build a Basic Audio Distortion Analyzer
• The Ergonomics of Learning
• Build a Low Voltage Insulation Tester

May 26, 2020: Newsletter #173
Design a Microphone Amp, Good PCB Design, Respiratory Masks, The Flying Marbellos

Related Articles

• How to Design a Microphone Amplifier
• Good PCB Design
• Respiratory Masks
• The Flying Marbellos

May 18, 2020: Newsletter #172
Implementing Circuits on Protoboards, O'scope Octopus, the Boiling Frog, Setting Up a RaspPi 3

Related Articles

• Implementing Circuits on Protoboards
• Build an Oscilloscope Octopus
• The Boiling Frog
• Setting Up the Raspberry Pi 3

May 12, 2020: Newsletter #171
Vacuum Tubes, Four-Wire Kelvin Ohmmeter, RIP AM Radio, Circuits for Racing

Related Articles

• Vacuum Tubes
• Build a Four-Wire Kelvin Low Resistance Ohmmeter
• RIP: Terrestrial AM Radio
• Circuits for a Day at the Races

April 27, 2020: Newsletter #170
Design Your Own Circuits, How Microchip Technology Works, Monitor Motion, Build an Audio Loop System

Related Articles

• You Don’t Have to Be an Engineer to Design Your Own Electronic Circuits
• Microchip Technology: Concepts, Products, Company
• Monitor Motion from a USB Webcam
• Build an Audio Loop System

April 20, 2020: Newsletter #169
Build a Social Distance Monitor, Build a Pet Tracker, How to Learn CW, Shielding and Shielded Cables

Related Articles

• Build a Social Distance Detector/Monitor Using the Propeller 2
• Build a Radio Pet Tracker
• How to Learn CW
• Shielding and Shielded Cables

April 13, 2020: Newsletter #168
UV Sanitizer 2, Dirt Cheap Wireless Control, Pocket-Sized Computer in a Tin, Retro PIC SBC

Related Articles

• UV Sanitizer 2: More Powerful Anti-Viral Chamber
• Dirt Cheap Wireless Control
• Build a Pocket-Sized Altair Computer
• The Retro PIC Single-Board Computer

April 06, 2020: Newsletter #167
Antenna Supports, Pocket-Sized Vacuum Cleaner, Simple Solder Projects

Related Articles

• Antenna Supports: What You Need to Know Aloft
• Build a Pocket-Sized Vacuum Cleaner
• Super Simple Projects for Learning Soldering and More

March 27, 2020: Newsletter #166
Working with High Voltages, Newton's Apple, Light Saber, the Life of Urban Hams

Related Articles

• Working with High Voltages
• Newton’s Apple
• Build a Digital Light Saber
• The Challenging Life of Urban Hams

March 20, 2020: Newsletter #165
VR-AR Shopping, JSON for IoT Projects, High Voltage Utility Power Supply, Gravimeter

Related Articles

• A Shot in the Arm for Online VR and AR
• For IoT Projects, Call JSON
• A Semiconductor-Based High Voltage Utility Power Supply
• King Tut’s Pyramid Gravimeter

March 13, 2020: Newsletter #164
1920s Applause Cards, Trust Your Voltmeter, LEDs for Troubleshooting, Build a Dummy Load

Related Articles

• 1920s Radio Applause Cards
• Can You Trust Your Voltmeter?
• LEDs for Operational Status and Troubleshooting
• Build a Small Powerful Dummy Load

March 06, 2020: Newsletter #163
Filter Design Software, Build a UV Sanitizer, Build Your Own Microcontroller, Receiving Data with Web Based SW Radios

Related Articles

• Filter Design Software
• UV Sanitizer: How to Build One and Measure Its Efficacy
• Building Your Own Microcontroller
• Receiving Data with Web Based Shortwave Radios

February 28, 2020: Newsletter #162
Filter Basics, Configurable Clock/Timer, CNC Backlash, Missing Wireless Technologies

Related Articles

• Filter Basics: Stop, Block, and Roll(off)
• Build a Configurable Clock/Timer
• CNC Routers: Backlash
• Whatever Happened to these Wireless Technologies?

February 21, 2020: Newsletter #161
dBs and RF Power Meters, IoT Sump Pump, Headphone Amplifier, IoT Made Easy

Related Articles

• A Discussion on dBs and RF Power Meters
• Build the IoT Sump Pump (or Pretty Much Anything IoT)
• Build a Headphone Amplifier — Times 3!
• IoT Made Easy

February 14, 2020: Newsletter #160
Turn a Sound Card into a Scope, Wireless Modes Part 2, Build an ECG-EKG Unit, Surface-Mount Soldering

Related Articles

• Turn Your Computer’s Sound Card into a Scope
• Wireless Modes — Part 2
• Build Your Own ECG-EKG Unit
• How To: Surface-Mount Soldering

February 07, 2020: Newsletter #159
Wireless Modes, Small Logic Gates Part 2, Low Cost Oscilloscope, Creality Ender Review

Related Articles

• Wireless Modes — Part 1
• Small Logic Gates — The building blocks of digital circuits -  Part 2
• Low Cost PC Two-Channel Oscilloscope
• Creality Ender 5 Pro - A Review

February 01, 2020: Newsletter #158
Small Logic Gates, Restoring the First Transistor Radio, Build the RetroGame, Use a Transistor as a Switch

Related Articles

• Small Logic Gates — The building blocks of versatile digital circuits -  Part 1
• Restoring the World’s First Transistor Radio
• Build the RetroGame
• How to Use a Transistor as a Switch

January 24, 2020: Newsletter #157
Magic of the Gilbert Erector Set, Thermal Management, Power Supply, Replacing the 555 with a PIC Part 4

Related Articles

• The Magic of the Gilbert Erector Set
• Thermal Management
• High Voltage Op-amps, a Current Sensor, and a 32-bit Microcontroller: How About a Lab Power Supply?
• Replacing The 555 With A PIC — Part 5 — A Digital Analog

January 17, 2020: Newsletter #156
Dark Energy and the Expanding Universe, Rotators, USB Cable Test Jig, Replacing the 555 with a PIC Part 4

Related Articles

• Dark Energy and the Expanding Universe
• Rotators
• Build A USB Cable Continuity Test Jig
• Replacing The 555 With A PIC — Part 4 — A Digital Analog

January 10, 2020: Newsletter #155
The Care and Feeding of Analog Meters, Repairing Circuit Boards, Digital Impressionist, Replacing the 555 with a PIC Part 3

Related Articles

• The Care and Feeding of Analog Meters
• Repairing Circuit Boards
• Build the Digital Impressionist
• Replacing The 555 With A PIC — Part 3 — A Digital Analog

January 03, 2020: Newsletter #154
Circuit Simulation Made Easy, Arduino Graphics Interface Part 2, Replacing the 555 with a PIC Part 2, HF Antenna Switch

Related Articles

• Circuit Simulation Made Easy
• The Arduino Graphics Interface — Part 2
• Replacing The 555 With A PIC — Part 2 — A Digital Analog
• Four-Position HF Antenna Switch with PC Control

December 27, 2019: Newsletter #153
Circuit Junctions, the Arduino Graphics Interface, Replacing the 555 with a PIC, Continuity Tester

Related Articles

• Light Bulbs, LEDs, and Circuit Junctions
• The Arduino Graphics Interface — Part 1
• Replacing The 555 With A PIC — Part 1 — A Digital Analog
• Build a Continuity Tester

December 19, 2019: Newsletter #152
Ham Metrics and the Decibel, Filament Scale, Sweep Function, MIDI Replay Stomp Box

Related Articles

• Ham Metrics and the Decibel
• Build a 3D Printer Filament Scale
• Add Sweep Function to Your RF Signal Generator
• Build the MIDI Replay Stomp Box

December 16, 2019: Newsletter #151
The Story of the Transistor, NixieNeon Clock, Using the 555, Laser Rainbow Machine

Related Articles

• The Story of the Transistor
• Nixie-Neon Clock
• Using the 555 Timer IC in Special or Unusual Circuits
• Build a Musical Laser Rainbow Machine

December 11, 2019: Newsletter #150
Generating Sine Waves, Dr. Duino Review, NixieStar Clock, 3D LED Cube

Related Articles

• Seven Common Ways to Generate a Sine Wave
• REVIEW: Dr. Duino’s Starter Kit for the Arduino Uno
• Build the NixieStar Clock
• Build the 3D LED Matrix Cube

December 06, 2019: Newsletter #149
Substitution Boxes, Play Pong to Control Devices, Portable Media Center, Signal-to-Noise Ratios

Related Articles

• Hail, the Lowly Substitution Box
• Translational Reality Part 2: Control the World by Playing Pong
• Make Your Own Portable Media Center
• Techniques to Improve Your Signal-to-Noise Ratio

November 28, 2019: Newsletter #148
Wireless Trailer Taillights, Radio Horizon, Translational Reality Interfaces, Adjustable Electronic Load

Related Articles

• Wireless Trailer Taillights
• Waves and Propagation: Part 2 — Radio Horizon
• Translational Reality Interfaces
• Adjustable Electronic Load Using Incandescent Lamps

November 19, 2019: Newsletter #147
Waves and Propagation, NeoPixel LED Tree, AM Radio Pioneer David Sarnoff, MakerPlot

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• Waves and Propagation: Part 1
• Build a NeoPixel LED Tree
• David Sarnoff And The Birth Of The AM Radio
• MakerPlot — The DIY Software Kit ... Part 10

November 12, 2019: Newsletter #146
Resistors, Retro Regen Radio, Oscillator Topologies, MakerPlot

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• Resistors: Types And Applications
• Build the Retro Regen Radio
• Universal Oscillator Topologies and Applications
• MakerPlot — The DIY Software Kit ... Part 9

November 05, 2019: Newsletter #145
The Remarkable CSS555, Programmable RGB LED Strips, Spreadsheets as Analog Design Tools, MakerPlot

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• The Remarkable CSS555
• Using Programmable RGB LED Strips in Arrays
• Spreadsheets - The Forgotten Analog Design Tool
• MakerPlot — The DIY Software Kit ... Part 8

October 30, 2019: Newsletter #144
The Edison Cell, Turn a Laptop into a Digital Photo Frame, Excellent Circuits with Excel, MakerPlot

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• The Edison Cell
• Turn A Broken Laptop Into A Digital Picture Frame
• Excellent Circuits with Excel
• MakerPlot — The DIY Software Kit ... Part 7

October 23, 2019: Newsletter #143
Capacitance Meter, Making Waves, Desktop Contemplator, MakerPlot

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• A Digital Capacitance Meter
• Making Waves
• The Desktop Contemplator
• MakerPlot — The DIY Software Kit ... Part 6

October 15, 2019: Newsletter #142
DFT Basics, Dancing LEDs, Detecting Sounds, MakerPlot

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• DFT Basics
• Make Your LED Dance Just Like a Candle
• Detecting Sounds With the Sonic Sensor
• MakerPlot — The DIY Software Kit Part 5

October 05, 2019: Newsletter #141
Analog Mathematics, O'scope Probes & Probing, Book of Horror, MakerPlot

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• Analog Mathematics
• Oscilloscope Probes and Probing
• Little Book of Horror
• MakerPlot — The DIY Software Kit Part 4

September 28, 2019: Newsletter #140
Power Sources, PIC Trainer from Surplus Parts, Electronic Chessboard Software, MakerPlot

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• Power Sources: The Good, the Bad, and the Ugly
• Build Your Own PIC Trainer from Surplus
• An Electronic Chessboard Using RGB LED Strips and Hall Effect Sensors — Part 2
• MakerPlot — The DIY Software Kit Part 3

September 22, 2019: Newsletter #139
Restoring the Heathkit ES-400, Analog Power Supply, Electronic Chessboard, MakerPlot

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• Restoring the Heathkit ES-400 Computer
• Basic Analog Power Supply Design (Part 2)
• An Electronic Chessboard Using RGB LED Strips and Hall Effect Sensors
• MakerPlot — The DIY Software Kit Part 2

September 14, 2019: Newsletter #138
Infinity Portal, Something From Nothing, Analog Power Supply Design, Wearable Electronics

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• Build the Infinity Portal
• Making Something From Nothing
• Basic Analog Power Supply Design
• Light Up Your Clothes With Wearable Electronics

September 09, 2019: Newsletter #137
Thermostat with Nextion Display, Designing Antenna Systems, Single-Chip 4 Channel Datalogger, Calculators As Coprocessors

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• Building a Programmable Thermostat with a Nextion LCD Display
• Designing Antenna Systems
• Single Chip, Four Channel Datalogger
• Calculators as Coprocessors

September 02, 2019: Newsletter #136
Build a Pocket-Sized Altair Computer, Importance of the Basics, Bait and Switch for Halloween Fun, Libraries and Headers in C

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• Build a Pocket-Sized Altair Computer
• The Importance of Knowing the Basics
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• Libraries and Headers in C: A Tutorial

August 27, 2019: Newsletter #135
Another ESP32 Clock, Morserino Kit Review, Variable Voltage Divider

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• Another ESP32 Digital Clock
• An Elegant Approach to Design a Variable Voltage Divider
• Learn to Send and Receive Morse Code with the Morserino-32
• Build a Fun Stylophone

July 03, 2019: Newsletter #134
More Oscillators & Timers - Some Of Our Favorite Inspirational Projects

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• Nuts & Volts Designer’s Guide to Reliable Oscillators and Timers — Part 3
• Steampunk Planetarium Clock
• Build the 3D LED Matrix Cube
• Build a Custom Weather Gauge — Part 1
• H-2-OPUS Water, Music, Lights, And Microcontrollers
• Build Your Own Funky STEAMPUNK Display

June 30, 2019: Newsletter #133
What Is Electronics? - Build Your Own Microcontroller - Impedance Matching - Oscillators & Timers

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• So, Exactly What is Electronics?
• Building Your Own Microcontroller
• Impedance Matching
• Nuts & Volts Designer’s Guide to Reliable Oscillators and Timers — Part 2

June 21, 2019: Newsletter #132
Reverse Engineering - Variable Voltage Reference - SWR - Oscillators & Timers

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• How Do They Do That?
• Build a Variable Voltage Reference
• Transmission Lines and SWR
• Nuts & Volts Designer’s Guide to Reliable Oscillators and Timers — Part 1

June 13, 2019: Newsletter #131
The Man Who Invented The Future - Antennas - Wall Wart Monitor - I2C Devices

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• The Man Who Invented The Future
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• How Phased Array Antennas Work
• Build a Wall Wart Power Monitor
• Working with I2C Sensor Devices

June 03, 2019: Newsletter #130
Graphing Thermometer - Test Bench - MakerPlot - Harmonics

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• Build the Graphing Thermometer
• Setting Up a Test Bench
• MakerPlot – The DIY Software Kit
• Understanding Harmonics Using Simulation

May 27, 2019: Newsletter #129
Strip Boards - Radio Bridge - Super Clock - 5G Wireless

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• The Lost Art of Strip Board Prototyping
• The Radio Station that Bridge Built
• An ESP32 / Teensy 3.5 Super Clock
• Waiting for 5G Wireless

May 03, 2019: Newsletter #128
Electronics Padawans - Frequency Counter Buffer - Debugging Tool - Build An ECG-EKG

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• Electronics Padawans
• Build an RF Frequency Counter Buffer for HF
• Enhance Your Debugging Tool Suite
• Build Your Own ECG-EKG Unit

April 10, 2019: Newsletter #127
STEM - Musical Doorbell - Radio Waves - DPP Basics

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• Easing Into STEM
• Build a Customizable Musical Doorbell
• The Discovery of Radio Waves
• Digitally Programmable Potentiometer (DPP) Basics

April 07, 2019: Newsletter #126
Know Your Basics - Laser Engraver - Heatsinks - LED Matrix Game Player

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• Know Your Basics
• Build the Laser Pencil Engraver
• How To Basics: Intro to Heatsink Selection and Installation
• Build the LED Matrix Game Player

April 01, 2019: Newsletter #125
ESP8266 Webcam - More Logic Analyzer - Garage Sentinal

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• An ESP8266 Live Wi-Fi Webcam
• A Logic Analyzer Tutorial - Part 2
• The Garage Sentinel

March 26, 2019: Newsletter #124
Logic Analyzers - Harvesting Electricity - Garage Door Closer - Build Something!

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• A Logic Analyzer Tutorial - Part 1
• Harvesting Electricity From The Environment
• Build the Garage Door Closer

March 22, 2019: Newsletter #123
FET - 3D LED Matrix Cube - Old School Digital Clock Tricks

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• The Field Effect Transistor
• Build the 3D LED Matrix Cube
• More Tricks with Old-School Digital Clocks

March 09, 2019: Newsletter #122
Shielding And Shielded Cables - RetroGame - Iot Made Easy

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• Shielding and Shielded Cables
• Build the RetroGame
• IoT Made Easy

March 01, 2019: Newsletter #121
Toss The Toggle - Filter Design Software - Small Logic Gates

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• Toss the Toggle
• Filter Design Software
• Small Logic Gates — The building blocks of digital circuits -  Part 2

February 03, 2019: Newsletter #120
LED Sign Controller - Power MOSFETs - Logic Gates

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• Create an LED Sign Controller
• Power MOSFETs Part 2
• Small Logic Gates — The building blocks of versatile digital circuits -  Part 1

January 28, 2019: Newsletter #119
Circuit Development – Power MOSFETS – Wind Speed Tracker – Smith Charts

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• The Circuit Development Process
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• Build a Fun Wind Speed Tracker with a Raspberry Pi
• Smith Chart Fundamentals

January 20, 2019: Newsletter #118
TEENSY Graphics Interface – Pulse Generator – Modern Radio – Surface Mount Soldering

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• TGI: The TEENSY Graphics Interface
• The Wide Range Pulse Generator
• Making a Modern Radio
• How To: Surface-Mount Soldering

January 12, 2019: Newsletter #117
Portal to Hobbies – Audio Distortion Analyzer – Circuit Design Mistakes – Perceptron Circuit

Related Articles

• Electronics as a Portal to Other Hobbies
• Build a Basic Audio Distortion Analyzer
• How To Succeed At Circuit Design By Learning From These Mistakes
• The Perceptron Circuit

December 21, 2018: Newsletter #116
Electronics Modeling - Filter Basics - More FPGAs - 1930s Radio FAX

Related Articles

• Electronics: A Multipurpose Modeling Tool
• Filter Basics: Stop, Block, and Roll(off)
• Designing Your Own Digital ICs (FPGAs) — Part 2
• “Just the (radio) FAX, Ma’am”

December 14, 2018: Newsletter #115
MicroBITX - PS-2 Keyboard ASCI - FPGAs - WSPR

Related Articles

• Meet the Microbitx:  A Simple to Build, Yet Challenging All-Band Transceiver Kit
• Get ASCII Data from PS-2 Keyboards
• Designing Your Own Digital ICs (FPGAs) — Part 1
• The Radio Whisperer

November 18, 2018: Newsletter #114
MIDI Stomp Box – More Digital Logic ICs – Phased Array Antennas – Rasp Pi Security Systems

Related Articles

• Build the MIDI Replay Stomp Box
• Understanding Digital Logic ICs — Part 4
• How Phased Array Antennas Work
• Keep Your Home Secure with Raspberry Pi