Clik here to view.
Guitar Hero Controller Gets A New Musical Life
Guitar Hero was a big deal, right up until it wasn’t. The best efforts of the video game industry couldn’t resurrect the once-off rush of enthusiasm for rhythm gaming, and thrift stores around the...
View ArticleClik here to view.
Liquid Cooling Keeps This Electronic Load’s MOSFETs From Burning
Problem: your electronic load works fine, except for the occasional MOSFET bursting into flames. Solution: do what [tbladykas] did, and build a water-cooled electronic load. One can quibble that...
View ArticleClik here to view.
Fabric(ated) Drum Machine
Some folks bring out an heirloom table runner when they have company, but what if you sewed your own and made it musical? We’d never put it away! [kAi CHENG] has an Instructable about how to recreate...
View ArticleClik here to view.
Spintronic RAM Gets a Little Closer to SRAM
Sometimes it seems as though everything old is new again. The earliest computers used magnetic memory such as magnetic core. As practical as that was compared to making for example each bit of memory...
View ArticleClik here to view.
Commercial Circuit Simulator Goes Free
If you are looking for simulation software, you are probably thinking LTSpice or one of the open-source simulators like Ngspice (which drives Oregano and QUCs-S), or GNUCap. However, there is a new...
View ArticleClik here to view.
Engineering Your Way to Better Sourdough (and Other Fermented Goods)
Trent Fehl is an engineer who has worked for such illustrious outfits as SpaceX and Waymo. When he got into baking, he brought those engineering skills home to solve a classic problem in the kitchen:...
View ArticleClik here to view.
Making Custom 3D Printed Slide Switches
For a little over a year now we’ve been covering the incredible replicas [Mike Gardi] has been building of educational “computers” from the very dawn of the digital age. These fascinating toys, many of...
View ArticleClik here to view.
Fail of the Week: Thermostat Almost Causes a House Fire
Fair warning: any homeowners who have thermostats similar to the one that nearly burned down [Kerry Wong]’s house might be in store for a sleepless night or two, at least until they inspect and...
View ArticleClik here to view.
It Turns Out, Robots Need Tough Love Too
Showing robots adversarial behavior may be the key to improving their performance, according to a study conducted by the University of Southern California. While a generative adversarial network...
View ArticleClik here to view.
Living At The Close Of The Multiway Era
After over a decade of laptop use, I made the move a couple of months ago back to a desktop computer. An ex-corporate compact PC and a large widescreen monitor on a stand, and alongside them a proper...
View ArticleClik here to view.
Mini Space Station Keeps Tabs on the Real One
Over the years, we’ve seen a number of projects that can blink an LED or otherwise notify you when the International Space Station is overhead. It’s a neat trick that brings space a little closer to...
View ArticleClik here to view.
Hiking Pole Turned Lightweight Yagi Antenna
Among amateur radio enthusiasts, there’s a subset of users who climb mountainous areas to use their gear from elevated positions. Anyone looking to take part in what’s known as Summits on the Air...
View ArticleClik here to view.
Add-On Makes ESP32 Camera Board Easier To Program
Don’t you just hate it when dev boards have some annoying little quirk that makes them harder to use than they should be? Take the ESP32-CAM, a board that started appearing on the market in early...
View ArticleClik here to view.
Don’t DIY This Surgical Robot At Home
The LVL1 Hackerspace in Louisville hosted a hackathon for useless and impractical devices a couple of years ago and this makeshift Duh-Vinci Surgical Robot was one of the “successful” results. While...
View ArticleClik here to view.
Hide Silent, Hide Deep: Submarine Tracking Technologies of the Cold War
All through the cold war, there was a high-stakes game of cat and mouse in play. Nuclear powers like the United States and the Soviet Union would hide submarines armed with nuclear missiles...
View ArticleClik here to view.
Using Lookup Tables to Make the Impossible Possible
Embarrassing confession time: I never learned my multiplication tables in grade school. Sure, I had the easy tables like the twos and the fives down, but if asked what 4 x 7 or 8 x 6 was, I’d draw a...
View ArticleClik here to view.
Retro PowerBook Gets a Mac Mini Transplant
Around these parts, seeing a classic laptop or desktop computer get revived with the Raspberry Pi is fairly common. While we’re not ones to turn down a well-executed Pi infusion, we know they can be...
View ArticleClik here to view.
Arduino Pedometer Counts Your Steps
There’s a trend in corporate America that has employees wear a step counter — technically a pedometer — and compete in teams to see who can get the most number of steps. We wonder how many people...
View ArticleClik here to view.
Building a Low-Tech Website for Energy Efficiency
In an age of flashy jQuery scripts and bulky JavaScript front-end frameworks, loading a “lite” website is like a breath of fresh air. When most of us think of lightweight sites, though, our mind goes...
View ArticleClik here to view.
Stacks of Spring Washers Power the Drawbar on this CNC Mill Conversion
With Tormach and Haas capturing a lot of the entry-level professional market for CNC machines, we don’t see too many CNC conversions of manual mills anymore. And so this power drawbar conversion for a...
View Article