Inside a Germanium Transistor
https://hackaday.com/2025/10/10/inside-a-germanium-transistor/
https://hackaday.com/2025/10/10/inside-a-germanium-transistor/
Hackaday
Inside A Germanium Transistor
The first transistors were point contact devices, not far from the cats-whiskers of early radio receivers. They were fragile and expensive, and their performance was not very high. The transistor w…
BenchVolt PD: USB PD Meets Benchtop Precision
https://hackaday.com/2025/10/10/benchvolt-pd-usb-pd-meets-benchtop-precision/
https://hackaday.com/2025/10/10/benchvolt-pd-usb-pd-meets-benchtop-precision/
Hackaday
BenchVolt PD: USB PD Meets Benchtop Precision
USB power has become ubiquitous — everything from phones to laptops all use it — so why not your lab bench? This is what [EEEngineer4Ever] set out to do with the BenchVolt PD USB adjus…
This Week in Security: ID Breaches, Code Smell, and Poetic Flows
https://hackaday.com/2025/10/10/this-week-in-security-id-breaches-code-smell-and-poetic-flows/
https://hackaday.com/2025/10/10/this-week-in-security-id-breaches-code-smell-and-poetic-flows/
Hackaday
This Week In Security: ID Breaches, Code Smell, And Poetic Flows
Discord had a data breach back on September 20th, via an outsourced support contractor. It seems it was a Zendesk instance that was accessed for 58 hours through a compromised contractor user accou…
QUIC! Jump to User Space!
https://hackaday.com/2025/10/10/quic-jump-to-user-space/
https://hackaday.com/2025/10/10/quic-jump-to-user-space/
Hackaday
QUIC! Jump To User Space!
Everyone knows that Weird Al lampooned computers in a famous parody song (It’s All About the Pentiums). But if you want more hardcore (including more hardcore language, so if you are offended…
Hackaday Podcast Episode 341: Qualcomm Owns Arduino, Steppers Still Dominate 3D Printing, and Google Controls Your Apps
https://hackaday.com/2025/10/10/hackaday-podcast-episode-341-qualcomm-owns-arduino-steppers-still-dominate-3d-printing-and-google-controls-your-apps/
https://hackaday.com/2025/10/10/hackaday-podcast-episode-341-qualcomm-owns-arduino-steppers-still-dominate-3d-printing-and-google-controls-your-apps/
Hackaday
Hackaday Podcast Episode 341: Qualcomm Owns Arduino, Steppers Still Dominate 3D Printing, And Google Controls Your Apps
The nights are drawing in for Europeans, and Elliot Williams is joined this week by Jenny List for an evening podcast looking at the past week in all things Hackaday. After reminding listeners of t…
A Function Generator From The Past
https://hackaday.com/2025/10/10/a-function-generator-from-the-past/
https://hackaday.com/2025/10/10/a-function-generator-from-the-past/
Hackaday
A Function Generator From The Past
It’s always a pleasure to find a hardware hacker who you haven’t seen before, and page back through their work. [Bettina Neumryr]’s niche comes in building projects from old elect…
Possibly the Newest ISA Card
https://hackaday.com/2025/10/10/possibly-the-newest-isa-card/
https://hackaday.com/2025/10/10/possibly-the-newest-isa-card/
Hackaday
Possibly The Newest ISA Card
Back when the IBM PC was new, laying out an ISA board was a daunting task. You probably didn’t have a very fast ‘scope, if you had one at all. Board layout was almost certainly done on …
PLA Gears Fail To Fail In 3D Printed Bicycle Drivetrain
https://hackaday.com/2025/10/10/pla-gears-fail-to-fail-in-3d-printed-bicycle-drivetrain/
https://hackaday.com/2025/10/10/pla-gears-fail-to-fail-in-3d-printed-bicycle-drivetrain/
Hackaday
PLA Gears Fail To Fail In 3D Printed Bicycle Drivetrain
Anyone who has ever snapped a chain or a crank knows how much torque a bicycle’s power train has to absorb on a daily basis; it’s really more than one might naively expect. For that rea…
Your LLM Won’t Stop Lying Any Time Soon
https://hackaday.com/2025/10/10/your-llm-wont-stop-lying-any-time-soon/
https://hackaday.com/2025/10/10/your-llm-wont-stop-lying-any-time-soon/
Hackaday
Your LLM Won’t Stop Lying Any Time Soon
Researchers call it “hallucination”; you might more accurately refer to it as confabulation, hornswaggle, hogwash, or just plain BS. Anyone who has used an LLM has encountered it; some …
Programming Space Game for x86 in Assembly Without an Operating System
https://hackaday.com/2025/10/10/programming-space-game-for-x86-in-assembly-without-an-operating-system/
https://hackaday.com/2025/10/10/programming-space-game-for-x86-in-assembly-without-an-operating-system/
Hackaday
Programming Space Game For X86 In Assembly Without An Operating System
In this video our hacker [Inkbox] shows us how to create a computer game that runs directly on computer hardware, without an operating system! [Inkbox] briefly explains what BIOS is, then covers ho…
The Electret Preamp You Might Need
https://hackaday.com/2025/10/11/the-electret-preamp-you-might-need/
https://hackaday.com/2025/10/11/the-electret-preamp-you-might-need/
Hackaday
The Electret Preamp You Might Need
Electret capsules can be found in some of the highest quality microphones for studio use, as well as in some of the very cheapest microphone capsules on the market. More care and attention has gone…
Toasty Subwoofer Limps Back to Life
https://hackaday.com/2025/10/11/toasty-subwoofer-limps-back-to-life/
https://hackaday.com/2025/10/11/toasty-subwoofer-limps-back-to-life/
Hackaday
Toasty Subwoofer Limps Back To Life
[JohnAudioTech] noticed there was no bass on the TV at his parents’ house. That led to the discovery of a blown fuse and a corresponding repair. When he opened it up, he could smell that some…
A Casio Toy Synth Is Ready To ROCK!
https://hackaday.com/2025/10/11/a-casio-toy-synth-is-ready-to-rock/
https://hackaday.com/2025/10/11/a-casio-toy-synth-is-ready-to-rock/
Hackaday
A Casio Toy Synth Is Ready To ROCK!
There is likely to be more than one of you who has eyed up a child’s toy synthesizer in a second hand store, and considered making something more impressive with it. In many cases these instr…
Entering the Wild World of Power Over Ethernet
https://hackaday.com/2025/10/11/entering-the-wild-world-of-power-over-ethernet/
https://hackaday.com/2025/10/11/entering-the-wild-world-of-power-over-ethernet/
Hackaday
Entering The Wild World Of Power Over Ethernet
As Ethernet became the world-wide standard for wired networking, there was one nagging problem. You already have to plug in the network cable. But then you have to also plug in a power cable. That …
A Deep Dive into The Coolness That Was CRT Projectors
https://hackaday.com/2025/10/11/a-deep-dive-into-the-coolness-that-was-crt-projectors/
https://hackaday.com/2025/10/11/a-deep-dive-into-the-coolness-that-was-crt-projectors/
Hackaday
A Deep Dive Into The Coolness That Was CRT Projectors
CRT monitors: there’s nothing quite like ’em. But did you know that video projectors used to use CRTs? A trio of monochrome CRTs, in fact: one for each color; red, green, and blue. By t…
Bose SoundTouch Smart WiFi Speakers are about to go Dumb
https://hackaday.com/2025/10/11/bose-soundtouch-smart-wifi-speakers-are-about-to-go-dumb/
https://hackaday.com/2025/10/11/bose-soundtouch-smart-wifi-speakers-are-about-to-go-dumb/
Hackaday
Bose SoundTouch Smart WiFi Speakers Are About To Go Dumb
Bose SoundTouch speakers were introduced in 2013, offering the ability to connect to online streaming services and play back audio on multiple speakers simultaneously using the accompanying mobile …
Save Your USB-C Plugs From Oblivion
https://hackaday.com/2025/10/11/save-your-usb-c-plugs-from-oblivion/
https://hackaday.com/2025/10/11/save-your-usb-c-plugs-from-oblivion/
Hackaday
Save Your USB-C Plugs From Oblivion
USB-C as the “One Cable To Rule Them All” has certainly been a success. While USB-A is still around for now, most of us have breathed a hefty sigh of relief with the passing of micro-US…
The Subtle Art of Letterform Design
https://hackaday.com/2025/10/12/the-subtle-art-of-letterform-design/
https://hackaday.com/2025/10/12/the-subtle-art-of-letterform-design/
Hackaday
The Subtle Art Of Letterform Design
Typeface (such as Times New Roman) refers to the design that gives a set of letters, numbers, and symbols their signature “look”. Font, on the other hand, is a specific implementation o…
Removing Infill to Make 3D Printed Parts Much Stronger
https://hackaday.com/2025/10/12/removing-infill-to-make-3d-printed-parts-much-stronger/
https://hackaday.com/2025/10/12/removing-infill-to-make-3d-printed-parts-much-stronger/
Hackaday
Removing Infill To Make 3D Printed Parts Much Stronger
When it comes to FDM 3D prints and making them stronger, most of the focus is on the outer walls and factors like their layer adhesion. However, paying some attention to the often-ignored insides o…
Tubeless X-Ray Runs on Patience
https://hackaday.com/2025/10/12/tubeless-x-ray-runs-on-patience/
https://hackaday.com/2025/10/12/tubeless-x-ray-runs-on-patience/
Hackaday
Tubeless X-Ray Runs On Patience
Every time we check in on [Project326], he’s doing something different with X-rays. This week, he has a passive X-ray imager. On paper, it looks great. No special tube is required and no high…