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Noodles Time Themselves While Cooking
Despite the name, so-called “instant” noodles still need to sit for a few minutes before they’re actually ready to eat. Most people would likely use a simple kitchen timer to let them know when it’s...
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Using the Moiré Effect for Unique Clock Face
If you’ve ever seen artifacts on a digital picture of a computer monitor, or noticed an unsettling shifting pattern on a TV displaying someone’s clothes which have stripes, you’ve seen what’s called a...
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2024 Business Card Challenge: Tiny MIDI Keyboard
The progress for electronics over the past seven decades or so has always trended towards smaller or more dense components. Moore’s Law is the famous example of this, but even when we’re not talking...
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Automating 3D Printer Support Hardware
While 3D printers have evolved over the past two decades from novelties to powerful prototyping tools, the amount of support systems have advanced tremendously as well. From rudimentary software that...
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Making Intel Mad, Retrocomputing Edition
Intel has had a deathgrip on the PC world since the standardization around the software and hardware available on IBM boxes in the 90s. And if you think you’re free of them because you have an AMD...
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A Guide To Running Your First Docker Container
While most of us have likely spun up a virtual machine (VM) for one reason or another, venturing into the world of containerization with software like Docker is a little trickier. While the tools...
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BikeBeamer Adds POV Display to Bicycle Wheels
Unless you’re living in a bicycle paradise like the Netherlands, most people will choose to add some sort of illumination to their bicycle to help drivers take note that there’s something other than a...
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Startup Claims it Can Boost CPU Performance by 2-100X
Although Moore’s Law has slowed at bit as chip makers reach the physical limits of transistor size, researchers are having to look to other things other than cramming more transistors on a chip to...
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An Enigma Machine Built in Meccano
As far as model construction sets go, LEGO is by far the most popular brand for building not only pre-planned models but whatever the builder can imagine. There are a few others out there though, some...
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RC Batwing Actually Flies
Batman is a compelling superhero for enough reasons that he’s been a cultural force for the better part of a century. His story has complex characters, interesting explorations of morality, iconic...
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Harmonic Table Keyboard Brings Old Idea Back to Life
If you missed the introduction of the Axis-49 and Axis-64 keyboards by C-Thru Music, you’re definitely not alone. At the time it was a new musical instrument that was based on the harmonic table, but...
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The ’80s Multi-Processor System That Never Was
Until the early 2000s, the computer processors available on the market were essentially all single-core chips. There were some niche layouts that used multiple processors on the same board for improved...
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Learning Morse Code with a DIY Trainer
Morse code, often referred to as continuous wave (CW) in radio circles, has been gradually falling out of use for a long time now. At least in the United States, ham radio licensees don’t have to learn...
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Portable, Full-Size Arcade Cabinets
Believe it or not, there was a time when the only way for many of us to play video games was to grab a roll of quarters and head to the mall. Even though there’s a working computer or video game...
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Go Forth With This Portable Programmer
When choosing a low-level language, it’s hard to beat the efficiency of Forth while also maintaining some amount of readability. There are open source options for the language which makes it...
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Swapping Vinyl for Cardboard with this ESP32 Turntable
Cardboard is a surprisingly durable material, especially in its corrugated form. It’s extremely lightweight for its strength, is easy to work, can be folded and formed into almost any shape, is...
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Modeling Home Heating Systems With Circuit Simulation Software
Electricity flow is generally invisible, silent, and not something that most humans want to touch, so understanding how charge moves around can be fairly unintuitive at first. There are plenty of...
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Google Drive Now Bootable
USB drives are incredibly useful, both storing files for transport between different computers and for creating bootable drives that let us use or install other operating systems on our computers....
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Arduino PLC Keeps the Beat
For most of our prototype, hobby, or one-off electronics projects it’s perfectly fine to use a development platform like an Arduino Uno or something to that effect. They’re both easy to program and...
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Particle Physics on a Small, Affordable PCB
Experimenting in the world of particle physics probably brings to mind large, expensive pieces of equipment like particle accelerators, or at least exotic elements or isotopes that most of us can’t...
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