Build A One Inch Scope
Repairing any kind of PCB can seem intimidating, but a methodical approach helps in finding and fixing problems quickly.
The Creality Ender 5 Pro is a great 3D printer and one I can highly recommend.
With the current viral scare, shopping from home makes more sense.
Build a powerful anti-viral chamber based on narrow spectrum UV lamps.
Everything you want to know about microchips, but were afraid to ask.
Started in 1942 as the Westinghouse Science Talent Search, the Regeneron STS recognizes and empowers our nation’s most promising young scientists.
Memory association techniques can ease the hexadecimal struggle.
See how to make magical motors from spare parts.
There are a number of reasons to pursue tube-based projects.
What do you do when you can’t play cards together because of the pandemic? You figure out a way to do it electronically over Zoom!
Tutorial on including touch screens into your homebrew projects.
Two Nuts & Volts questions motivated me to relearn about bipolar transistors.
There’s a lot to the new P2.
Make antennas from unexpected materials.
I can’t say enough good things about this book.
Tutorial on including touch screens into your homebrew projects.
This book is great for novices as well as seasoned experimenters.
Discover a new way to power your Nixies.
This is the first time in 60 years that static electricity has ever HELPED with one of my projects.
Get FM capability without destroying the AM portion of your AA5 tube-type radio.
Make your life simpler with this “ready-to-roll” kit that is jammed-packed with features.
This feature-rich unit builds on a previous project.
Is it memory effect or something else?
While the focus here is on the computing power of the Teensy 4.0, there are many other features that make it an excellent choice for many applications.
Unidentified radio broadcasts have been transmitting coded messages using numbers for years.
Learn how to program microcontrollers.
Simplify your IoT designs.
Refurbishing a clock to be able to observe the same patch of sky for several nights in a row.
Reminiscing about the good times that crystal radio sets provided.
Can’t easily use a keyboard for text? Dot and dash it!
Labeling your project enclosures doesn’t have to be difficult.
Have fun building FM broadcast band receivers using GRC and learning about SDR.
Take the Z80 challenge and build something that’s both classic and modern at the same time.
Design your own programmable DC-DC power supply.
Create bright, stunning colors by literally just plugging LEDs directly into the Arduino pins.
Tutorial on including touch screens into your homebrew projects.
Learn how to program microcontrollers.
Learn how to determine how well your oscillator is behaving.
The resources available today compared to what was available in 1977 make all the difference in projects.
Resolving Schematic Dissonance
Current Limiters
Get Geniacs and Brainiacs from decades ago working again.
The transmitter that disrupted the German war machine.
We continue our restoration series with a vintage Telefunken Jubilate receiver.
Next in our restoration series, we’ll help out an abused 1965 McIntosh C22 all-tube preamp.
Explore the world of tube-type electronics by restoring a classic AM/FM receiver.
Explore the world of tube-type electronics by restoring this domestic 1950’s AM/FM broadcast receiver: the Zenith G725.
This time in our restoration series, we take on a digital tube tester and curve tracer kit.
Are you an audiophile with a yearning to build kits reminiscent of the old HeathKits?
This article will show you all the steps needed to design a programmable supply.
This device lets you know if folks are the proper distance away and if not, warns you before they get too close.
Overcome the limitations of two-lead/low resistance measurements with this easy-to-build four-lead Kelvin ohmmeter.
This kit takes a lot of the guesswork out of growing and maintaining indoor plants.
Use this handy probe to check vias and traces on your circuit boards for their resistance.
Here’s how I made an amplifier for a short-range public address speaker.
Need soldering experience? This is the kit for you!
Use the ESP32-CAM module to make a video camera.
Know if it’s safe to go outside.
You can never have too many LED Christmas trees!
Save wear and tear on your vocal cords with this handy voice keyer.
Here’s an analog style laser Theremin with its own built-in synthesizer.
Build a Hall-effect based magnetometer.
Build a cost-effective self-contained sweep alignment instrument for FM radio.
Now that I’ve built my potentiometer box for analog experimentation, my only regret is I didn’t do it sooner.
Light up your life or business with this simple circuit.
Use microcontrollers and a DotStar LED strip to develop custom photography from images you upload yourself.
Never forget to bring your phone or keys (or ?) with you with this fun device.
Here’s a simple circuit you can build for those who have lost their hearing.
Save your food with an alarm that alerts you if the freezer’s open.
Digital clocks made with Nextion displays are a great design.
Ribbon controllers are fantastically fun, useful, and versatile devices.
Minimize the stress of shuffling and dealing cards for a large group of people.
Keep valuables safe and expose kids to technology at the same time.
It was clearly time for an update to my LP120 that I originally built 20 years ago.
Use a low power crystal-controlled AM transmitter to broadcast age-appropriate material to your antique radio.
Here’s how I designed my only electric scooter from scratch.
Make music by waving your hands at one of the most expressive musical instruments ever built.
An interactive LED display that reacts to music.
Take your fun with you in an all-in-one entertainment system you build yourself.
Make a PIC-powered old-school pinball machine.
When you need a quick look at an audio or moderate rate digital signal, this scope can do the job.
Make your own version of a Fitbit of sorts for monitoring blood flow.
Build a cost-effective self-contained sweep alignment instrument for FM radio.
Turn a cheap LED lamp into a usable microphone.
Build an external power supply for your Arduino projects.
New Products
LEARNING/PROTOTYPING PLATFORMS FOR ARDUINO
New Products (04.2020)
Versatile DC Lab Power Supply, 4-CH Mixed-signal Oscilloscopes, Industrial Grade RF Coaxial Cable Assemblies, 6PC Fused Probe DMM Electrical Kit, High Power Dual Port AC/DC Charger, Rack Mount O'scope, Sunlight Readable LCD Display
New Products
Micro Stepper Actuators, HMI Software for Arduinos, Programmable USB Type-C Hub, Ultra-compact SIG Generator
New Products (03.2020)
High-res 2/4/8 Ch 20 MHz Oscope, Gerber File Option Added, Insulated Banana Jack Attenuators, Triple Output DC Power Supplies, AC-DC Controller Features Second Side MCU, SnapEDA Library Integration
New Products
18 GHz RF Signal Generator Series, 3.5 Digit DC Ammeter, Feature Filled DSO
New Products (02.2020)
Advanced 500 MHz O'Scopes, Vector Network Analyzer, Insulated Alligator Test Clips, Raspberry Pi Zero Battery IMU Board
New Products (01.2020)
MOD 0.8 Pinion Gear 36 Tooth, MOD 0.8 Pinion Gear 40 Tooth, MOD 1.25 Miter Gear 30 Tooth, 38 mm Pitch Steel Set Screw Sprocket, 8 mm Pitch Steel Set Screw Sprocket, Analyzers for High Channel Count Applications, Learning Platform for Arduino, Programmable USB Keyboard Controller Module, Picoscope 4-CH 500 MHz O'Scopes, Analog/Vector Sig Generators, High Current Test Leads.
The Joys of Retooling — Again
by Bryan Bergeron
Is retooling your shop and your mind to the world of vacuum tubes worth it?
When It Comes to Vintage Restoration, Beware of NOS
by Bryan Bergeron
Think twice before you dive into the often frenzied, hyperinflated world of NOS.
Electronics: What’s Important from the Outside Looking In?
by Bryan Bergeron
Here’s how to do good by your favorite electronics hobby.
Increasing Complexity: Unavoidable?
by Bryan Bergeron
Why do experimenters always feel the need to make things better?
All Dressed Up and Nowhere To Go
by Bryan Bergeron
So, what’s a ham dedicated to public service to do?
Why the Complexity?
by Bryan Bergeron
What is the benefit of the exponential increase in hardware/firmware complexity?
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