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 2021-10-20 13:02 

Hackaday

KiCad Team Releases Warning Regarding Domain Name...

On October 19th, [Seth_h] from the KiCad Project posted on the KiCad forums that the project's original domain name kicad-pcb.org has been unexpectedly sold to a third party, and urged members of the ......

 2021-10-20 11:00 

Hackaday

Spinning Threads Put the Bite on Filament in This Novel Extruder Design...

When it comes to innovation in FDM 3D printing, there doesn't seem to be much room left to move the needle. Pretty much everything about filament printing has been reduced to practice, with more or le......

 2021-10-20 08:00 

Hackaday

Audio Tape Interface Revives Microcassettes as Storage Medium...

In the early 1980s cassette tapes were the standard storage medium for home computer users; readers of a certain age will remember fiddling with audio jacks, tape counters and signal levels, then wait......

 2021-10-20 05:00 

Hackaday

Flickering Jack o' Lantern Is An Easy Beginner Build...

The Jack o' Lantern is a fun Halloween tradition, though one that does come with a few risks. It's pretty easy to slice off a bit of finger when carving a stiff pumpkin, and candles draw more enmity f......

 2021-10-20 02:00 

Hackaday

Sign Detects RF to Show You are on the Air...

Like a lot of hams, [Stuart] wanted an...

 2021-10-19 23:00 

Hackaday

The Calls Are Coming From Inside the House (or Workshop)...

Hot on the heels of their carbon microphone build a few years ago, [Simplifier] strung up a two-phone network between the house and the workshop. Both telephones are completely DIY except for the pair......

 2021-10-19 20:00 

Hackaday

ESP32 Clock Pushes Outrun Graphics over Composite...

We've covered plenty of clocks powered by the ESP32, but this one from [Marcio Teixeira] is really something special. Rather than driving a traditional physical display, the microcontroller is instead......

 2021-10-19 18:30 

Hackaday

Turning Old Masks into 3D Printer Filament...

Disposable masks have been a necessity during the COVID-19 pandemic, but for all the good they've done, their disposal represents a monumental ecological challenge that has largely been ignored in fav......

 2021-10-19 17:01 

Hackaday

VCF East Roars Back to Life...

It didn't take long to realize that the 2021 Vintage Computer Festival East -- returning to the InfoAge Science and History Museum in Wall, New Jersey after being held virtually last year -- was a mas......

 2021-10-19 15:30 

Hackaday

The Quadrivium EnsembleBot Is A Labour Of Love...

The Quadrivium EnsembleBot project is a mashup between old school musical instruments and the modern MIDI controlled world. Built by a small team over several years, these hand crafted instruments loo......

 2021-10-19 14:00 

Hackaday

The Low-Down on Long-Wave: Unlicensed Experimental Radio...

In the 125 years since Marconi made his first radio transmissions, the spectrum has been divvied up into ranges and bands, most of which are reserved for governments and large telecom companies. Amids......

 2021-10-19 11:00 

Hackaday

The PinePhone Pro Is Here. But it's Still Probably Not The Year Of Open-Source Linux On The Smartphone...

A trope in open source commentary over the last decades has been the phrase...

 2021-10-19 08:00 

Hackaday

Drone and High Voltage Spin Up This DIY Corona Motor...

The average Hackaday user could probably piece together a rough model of a simple DC motor with what they've got kicking around the parts bin. We imagine some of you could even get a brushless one up ......

 2021-10-19 05:00 

Hackaday

POLF: Retro 3D Game Uses Only a Character Display...

Got a retrocomputing itch? So does [David Given], and luckily for us all he indulged it by writing POLF: a first-person 3D game for the Commodore PET that uses only the system's 40x25 text mode charac......

 2021-10-19 02:00 

Hackaday

A Microwave Frequency Doubler...

It is an age-old problem. You have a 2.5 GHz source and you want it at 5 GHz. You need a frequency doubler. [All Electronics Channel] has an interesting video that talks not only about the theory of s......

 2021-10-18 23:00 

Hackaday

Laser Pointer and Arduino Make a Minimalistic Shooting Game...

Video games are great and all, but sometimes you just want the thrill of manipulating actual objects in addition to watching action on a screen. This must have been the reason why Nintendo's Duck Hunt......

 2021-10-18 20:00 

Hackaday

Build a Dog Ball Launcher That Kinda Looks Like a Dog...

The average garden dog will play fetch long beyond the average human's endurance. If you want to keep your dog exercised without hurting your pitching arm, [brankly's] automatic dog ball launcher migh......

 2021-10-18 18:31 

Hackaday

The HP3458A: King of Multimeters for Three Decades...

[Marco] looks at a lot of meters. However, he considers the HP3458A the best even though they were introduced more than 30 years earlier in 1989. Someone donated one to [Marco] but it presented some e......

 2021-10-18 17:01 

Hackaday

They Milk Cows, Don't They?...

You've no doubt heard of the many alternatives to cow's milk that are available these days. Perhaps you've even tried a few of them in your quest to avoid lactose. Some coffeehouses have already moved......

 2021-10-18 16:01 

Hackaday

Making Your Projects Move: Jeremy Fielding To Deliver Remoticon Keynote...

We're really excited to announce that Jeremy Fielding will give a keynote address at Hackaday Remoticon in November! Get your ticket now!The projects we in this community choose to tackle often ta......

 2021-10-18 15:00 

Hackaday

Arduino Brings USB Mouse to Homebrew computer...

When building your own homebrew computer, everything is a challenge. Ultimately, that's kind of the point. If you didn't want to really get your hands dirty with the nuts and bolts of the thing, you w......

 2021-10-18 14:00 

Hackaday

Electric Vehicles, the Gasoline Problem, and Synthetic Fuels: Part 1...

When you're standing at the gas station filling up your car, watching those digits on the pump flip by can be a sobering experience. Fuel prices, especially the price of gasoline, have always been kee......

 2021-10-18 11:00 

Hackaday

Play DOOM Using Web Browser Checkboxes (Finally)...

If you've ever felt the need to render DOOM using nothing but web browser checkboxes, [Andrew Healey] has you covered with his recent port of the first-person shooter. Naturally, this gets our tick of......

 2021-10-18 08:01 

Hackaday

Printable Caliper Jaws Increase Precision, Deflect Derision...

If you've watched as many machining videos as we have, no doubt you've seen someone commit the cardinal sin of metalworking: using caliper jaws to scratch a mark into metal. Even if it's a cheap Harbo......

 2021-10-18 05:01 

Hackaday

An Easy Fix for Inconsistent Layers in Cheap 3D Printers...

If there's one thing you can say about [Stefan] from CNC Kitchen, it's that he's methodical when he's working on an improvement to his 3D printing processes, or when he's chasing down a problem with a......

 2021-10-18 02:01 

Hackaday

Arduino Nano Floppy Emulator For When Your Disk Is Not Accessible...

Among the plethora of obsolete removable media there are some which are lamented, but it can be difficult to find those who regret the passing of the floppy disk. These flexible magnetic disks in hard......

 2021-10-17 23:00 

Hackaday

Hackaday Links: October 17, 2021...

We found a couple of headlines this week that seemed pretty alarming at first, mentioning as they did both...

 2021-10-17 20:01 

Hackaday

QB64 Hits Version 2.0, Gets Enhanced Debugging...

Despite the name, BASIC isn't exactly a language recommended for beginners these days. Technology has moved on, and now most people would steer you towards Python if you wanted to get your feet wet wi......

 2021-10-17 17:01 

Hackaday

Vise Tripod Lets You Put The Tool Where You Need It...

Vises are useful things for holding whatever you're working on, but too often they're stuck to a bench. [seamster] has experienced the glory of having a more portable solution, however, and has shared......

 2021-10-17 14:01 

Hackaday

Machining Wood Inlays, No CNC Required...

It's almost hard to remember a time when the obvious answer to most questions about manufacturing wasn't...

 2021-10-17 11:01 

Hackaday

A Redesigned ZX Spectrum Desktop Computer That Works Surprisingly Well...

Retrocomputer enthusiasts will quite often be found pondering the great what ifs of their hobby. What if Commodore had had a half-way decent marketing division is a popular one, but the notoriously pe......

 2021-10-17 08:01 

Hackaday

Electronic Covid Test Tear Down Shows Frustrating Example of 1-Time-Use Waste...

The latest video from [TheSignalPath] is a result of his purchase of a home COVID-19 test. He found an electronic version that connects to your cell phone and displays the results on the phone. The de......

 2021-10-17 05:00 

Hackaday

The Wireless PS/2 Keyboard That Never Was...

The PS/2-style port was once about as ubiquitous on PCs as USB connectors are today, and more than a few of us accumulated a fair collection of keyboards and mice that sported the 6-pin mini-DIN plug.......

 2021-10-17 02:01 

Hackaday

It's A Hack: Air Scrubber Controlled Using The Room Lighting...

Some products just seem to be designed to be annoying. [hardmar] discovered the air filtration system installed in his son's basement woodshop was orientated for the best airflow, but rather poorly po......

 2021-10-16 23:01 

Hackaday

The Simplest Way To Spot 2.4GHz RF...

When the cool kids are showing off their SDRs it's easy to forget that a radio receiver can be very simple indeed. The crystal set is one of the earliest forms of radio receiver, a tuned circuit and a......

 2021-10-16 20:01 

Hackaday

Fail of the Week: Magnetic Levitation...

We are big fans of the little desktop magnetic levitation setups that float a small object on a magnet. As [3D Printed Life] points out, they look like magic. He was surprised that the commercial unit......

 2021-10-16 17:01 

Hackaday

PineTime Smartwatch and Good Code Play Bad Apple...

PineTime is the open smartwatch from our friends at Pine64. [TT-392] wanted to prove the hardware can play a full-motion music video, and they are correct, to a point. When you watch the video below, ......

 2021-10-16 14:00 

Hackaday

Where You Are Influences What You Invent...

[Timon] just bought a new PCB holder setup for his desk. It's one of those spring-loaded jobbies that uses strong magnets to hold it up off of a work surface, and is made of metal so that you can refl......

 2021-10-16 11:01 

Hackaday

Unique Seven-Segment Display Relies on FR-4 Fluorescence...

It's interesting what you see when you train a black light on everyday objects. We strongly suggest not doing this in a hotel room, but if you shine UV light on, say, a printed circuit board, you migh......

 2021-10-16 08:01 

Hackaday

The Pi 400 As A PC Peripheral...

The Raspberry Pi 400 all-in-one computer is a neat little unit that is powerful enough to take on most humdrum computing tasks while doing an excellent job of freeing up valuable desktop space. But wh......

 2021-10-16 05:00 

Hackaday

Learn DMX512 Basics...

If you've done anything with modern lighting effects, you've probably heard of DMX, also known as DMX512. Ever wonder what's really happening under the hood? If so, then you should have a look at [EEF......

 2021-10-16 02:00 

Hackaday

Better History Through X-Rays...

Even if you aren't a giant history buff, you probably know that the French royal family had some difficulties in the late 1700s. The end of the story saw the King beheaded and, a bit later, his wife t......

 2021-10-15 23:01 

Hackaday

OAK-D Depth Sensing AI Camera Gets Smaller and Lighter...

The OAK-D is an open-source, full-color depth sensing camera with embedded AI capabilities, and there is now a crowdfunding campaign for a newer, lighter version called the OAK-D Lite. The new model d......

 2021-10-15 20:00 

Hackaday

Here's A 100 MHz Pin-Compatible 6502 Replacement...

The MOS Technology 6502 CPU was a popular part in its day. In various modified versions, it powered everything from the Commodore 64 to the Nintendo Entertainment System, and showed up in a million ot......

 2021-10-15 19:01 

Hackaday

Hackaday Remoticon: Call for Proposals Extended to October 20th...

In just a few short weeks, we'll all be meeting up online for the second Hackaday Remoticon on November 19th and 20th. This is the year of the Talk, and who better than you, dear reader, to give one? ......

 2021-10-15 18:00 

Hackaday

Electroplating Carbon Fibers Can Have Interesting Results...

Typically, electroplating is used to put coatings of one metal upon another, often for reasons of corrosion protection or to reduce wear. However, other conductive materials can be electroplated, as d......

 2021-10-15 17:01 

Hackaday

Carbon Sequestration As A Service Doesn't Quite Add Up...

Burning fossil fuels releases carbon dioxide into the atmosphere. While most attempts to reduce greenhouse-gas emissions focus on reducing the amount of CO2 output, there are other alternatives. Carbo......

 2021-10-15 16:01 

Hackaday

Hackaday Podcast 140: Aqua Battery, IBM Cheese Cutter, Waiting for USB-C, and Digging ADCs...

Hackaday editors Elliot Williams and Mike Szczys chew the fat over the coolest of hacks. It's hard to beat two fascinating old-tech demonstraters; one is a mechanical IBM computer for accurate cheese ......

 2021-10-15 15:00 

Hackaday

3D Print a Custom T-Shirt Design, Step-by-Step...

Want to make a t-shirt with a custom design printed on it? It's possible to use a 3D printer, and Prusa Research have a well-documented blog post and video detailing two different ways to use 3D print......

 2021-10-15 14:00 

Hackaday

This Week in Security: The Apache Fix Miss, Github (Malicious) Actions, and Shooting the Messenger...

Apache 2.4.50 included a fix for CVE-2021-41773. It has since been discovered that this fix was incomplete, and this version is vulnerable to a permutation of the same vulnerability. 2.4.51 is now ava......

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