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Hackaday

Hackaday Editors take a look at all of the interesting uses of technology that pop up on the internet each week. Topics cover a wide range like bending consumer electronics to your will, designing circuit boards, building robots, writing software, 3D printing interesting objects, and using machine tools. Get your fix of geeky goodness from new episodes every Friday morning.

Hackaday Podcast

What did Elliot Williams and Al Williams read on Hackaday last week? Tune in and find out. After a bit of news, [Vik Oliver] chimes in with some deep PLA knowledge. Then the topic changed to pressure advance measurements, SDRs, making super-resolution PCBs with a fiber laser, and more.
 
Want to 3D print wire strippers? A robot arm? Or just make your own Z-80? Those hacks are in there, too.
 
For the long articles, we talked about old tech, including the :CueCat and the Iomega Zip Drive. Let us know if you had either one in the comments.
 
What do you think? Leave us a comment or record something and send it to our mailbag.

Ep 363: The History of PLA, Laser DIY PCBs, and Corporate Craziness

As the sun goes down on a glorious spring evening on the western edge of Europe, Elliot Williams is joined by Jenny List for a look at the week in all things Hackaday.
 
First up: Hackaday Europe tickets are on sale! Bad luck folks, the early bird tickets disappeared in an instant, but regular ones are still available for now. We're really looking forward to making our way to Lecco for a weekend of hacks, and it would be great to see you there too.
 
Then we have a new feature for the podcast, the Hackaday Mailbag. This week's contribution comes from [Kenny], a longtime friend of Hackaday and probably our most regular conference attendee.
 
To the hacks, and we have some good ones. An air hockey robot might not seem like a challenge, but the engineering which went into [BasementBuilds'] one proves it's not a job for the faint hearted. Then we look at compression molding of recycled plastic using 3D-printed molds, something that seems surprisingly accessible and we'd like to try, too. We've got a new DOS, a 3D-printed zipper repair, the IPv4 replacement we didn't get, and the mind-bending logic of ternary computing. It's one of those weeks where the quick hacks could all deserve their own in-depth look, but perhaps the stand-outs are and Arduino style compiler that includes the source code compressed within the binary, and a beautifully-done revival of a 1980s brick cellphone as a modern 5G unit.
 
Finally in the longer reads we've got an examination of wired versus Bluetooth headphones -- we're both in the wired camp -- and a look back at the age of free dialup. As is so often the case, the experience there differed between Brits and Americans. Anyway, enjoy the episode, and we have another week to look forward to.

Ep 362: Compression Molding, IPv4x, and Wired Headphones

Join Hackaday Editors Elliot Williams and Tom Nardi as they cover their favorite hacks and stories from the week. The episode kicks off with some updates about Hackaday Europe and the recently announced Green Power contest, as well as the proposal of a new feature of the podcast where listeners are invited to send in their questions and comments. After the housekeeping is out of the way, the discussion will go from spoofing traffic light control signals and the line between desktop computers and smartphones, all the way to homebrew e-readers and writing code with chocolate candies. You'll hear about molding replacement transparent parts, a collection of fantastic tutorials on hardware hacking and reverse engineering, and the recent fireball that lit up the skies over Germany. The episode wraps up with a fascinating look at how the developer of Pokemon Go is monetizing the in-game efforts of millions of players.
 
Check out the links over on Hackaday if you want to follow along, and as always, tell us what you think about this episode in the comments! Or send us a clip for the mailbag to editor@hackaday.com.

Ep 361: Hackaday Podcast Mailbag, A Phone is Not a Computer, 3D Printing History is New Again

This week, Hackaday's Elliot Williams and Kristina Panos met up over assorted beverages to bring you the latest news, mystery sound results show, and of course, a big bunch of hacks from the previous seven days or so.
 
In the news, we've launched a brand-new contest! Yes, the Green-Powered Challenge is underway, and we need your entry to truly make it a contest. You have until April 24th to enter, so show us what you can do with power you scrounge up from the environment around you!
 
On What's That Sound, Kristina was leaning toward some kind of distant typing sounds, but [Conrad] knew it was our own Tom Nardi's steam heat radiator pinging away.
 
After that, it's on to the hacks and such, beginning with an exploration of all the gross security vulnerabilities in a cheap WiFi extender, and we take a look inside a little black and white pay television like you'd find in a Greyhound station in the 80s and 90s.
 
We also discuss the idea of mixing custom spray paint colors on the fly, a pen clip that never bends out of shape, and running video through a guitar effects pedal. Finally, we discuss climate engineering with disintegrating satellites, and the curse of everything device.
 
Check out the links on Hackaday if you want to follow along, and as always, tell us what you think about this episode in the comments!

Ep 360: Cool Rubber Bands, Science-y Stuff, and the Whys of Office Supplies

Hackaday editors Elliot Williams and Al Williams met up to trade their favorite posts of the week. Tune in and see if your favorites made the list. From crazy intricate automata to surprising problems in Peltier cooler designs, there's a little bit of everything.
 
Should bikes have chains? What's the hardest thing about Star Trek computers to duplicate? Can you make a TV station from a single microcontroller? The podcast this week answers these questions and more. Plus, weigh in on the What's That Sound contest and you might just score a Hackaday Podcast T-shirt.
 
For the Can't Miss segment, Elliot had airships on his mind, while Al's sick of passwords. But is he sick enough to take electronic pills that transmit his password?

Ep 359: Flying Squids, Edible Passwords, and a CAD Automaton

For today's podcast Elliot Williams is joined by Jenny List, and we're pushing the limits of mobile connectivity as Jenny's coming to us from a North Sea ferry. We start by looking forward to the upcoming Hackaday Europe, with a new location in Lecco, Italy. We hope you can join us there!
 
There's a bumper collection of hacks to talk about, with a novel soft pneumatic display, a CRT-based VR headset, an LCD photographic aperture, and a novel time-of-flight sensor array in the line-up.Then there are 3D printed PCBs, Scotch tape for a lens, and a project to map farts. We kid you not. Finally we wrap up with mind controlled toys, and a a treatise on requirements and specifications in an age of AI.
 
 Check out all the links over on Hackaday!

Ep 358: Soft Displays, LCD Apertures, and Mind Controlled Toys

In the latest episode of the Hackaday Podcast, editors Elliot Williams and Tom Nardi start things off by discussing the game of lunar hide-and-seek that has researchers searching for the lost Luna 9 probe, and drop a few hints about the upcoming Hackaday Europe conference. From there they'll marvel over a miniature operating system for the ESP32, examine the re-use of iPad displays, and find out about homebrew software development for an obscure Nintendo handheld. You'll also hear about a gorgeous RGB 14-segment display, a robot that plays chess, and a custom 3D printed turntable for all your rotational needs. The episode wraps up with a sobering look at the dangers of industrial robotics, and some fascinating experiments to determine if a decade-old roll of PLA filament is worth keeping or not.
 
 Check out the links over on Hackaday if you want to follow along, and as always, tell us what you think about this episode in the comments!

Ep 357: BreezyBox, Antique Tech, and Defusing Killer Robots

This week, Hackaday's Elliot Williams and Kristina Panos met up over coffee to bring you the latest news, mystery sound results show, and of course, a big bunch of hacks from the previous seven days or so.
 
We found no news to speak of, except that Kristina has ditched Windows after roughly 38 years. What is she running now? What does she miss about Windows? Tune in to find out.
 
On What's That Sound, Kristina thought it was a jackhammer, but [Statistically Unlikely] knew it was ground-tamper thingy, and won a Hackaday Podcast t-shirt! Congratulations!
 
After that, it's on to the hacks and such, beginning with 3D printing on the nano scale, and a couple of typewriter-based hacks. Then we take a look at the beauty of the math behind graph theory, especially when it comes to circuit sculptures and neckties.
 
We also talk display hacking, macro pads with haptic feedback knobs, and writing code in Welsh. Finally, we discuss the Virtual Boy, and ponder whether vibe coding is killing open source.
 
 Check out the links on Hackaday if you want to follow along, and as always, tell us what you think about this episode in the comments!

Ep 356: Nanoprinting, Vibe Coding, and Keebin' with Kristina, IN HELL!

Another chilly evening in Western Europe, as Elliot Williams is joined this week by Jenny List to chew the fat over the week's hacks.
 
It's been an auspicious week for anniversaries, with the hundredth since the first demonstration of a working television system in a room above a London coffee shop. John Logie Baird's mechanically-scanned TV may have ultimately been a dead-end superseded by the all-electronic systems we all know, but the importance of television for the later half of the 20th century and further is beyond question.
 
The standout hacks of the week include a very clever use of the ESP32's WiFi API to detect people moving through a WiFi field, a promising open-source smartphone, another ESP32 project in a comms system for cyclists, more cycling on tensegrity spokes, a clever way to smooth plaster casts, and a light sculpture reflecting Wi-Fi traffic. Then there are a slew of hacks including 3D printed PCBs and gem-cut dichroic prisms, before we move to the can't-miss articles. There we're looking at document preservation, and a wallow in internet history with a look at the Netscape brand.
 
As usual all the links you need can be found over on Hackaday, so listen, and enjoy!

Ep 355: Person Detectors, Walkie Talkies, Open Smartphones, and a WiFi Traffic Light

Hackaday Editors Elliot Williams and Al Williams took a break to talk about their favorite hacks last week. You can drop in to hear about articulated mirrors, triacs, and even continuous 3D-printing modifications.
 
Flying on an airplane this weekend? Maybe wait until you get back to read about how the air traffic control works. Back home, you can order a pizza on a Wii or run classic Basic games on a calculator.
 
For the can't miss articles, the guys talked about very low Earth orbit satellites and talked about readers who dumpster dive.
 
 Check out the links over on Hackaday if you want to follow along, and don't be shy. Tell us what you think about this episode in the comments!

Ep 363: The History of PLA, Laser DIY PCBs, and Corporate Craziness

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