10 Cent Microcontroller Makes Music
https://hackaday.com/2025/10/23/10-cent-microcontroller-makes-music/
https://hackaday.com/2025/10/23/10-cent-microcontroller-makes-music/
Hackaday
10 Cent Microcontroller Makes Music
Compared to the old 8-bit Arduinos, it’s incredible how cheap modern microcontrollers like the ESP32 have become. But there are even cheaper options out there if you don’t need that kin…
Announcing the 2025 Hackaday Superconference Communicator Badge
https://hackaday.com/2025/10/23/announcing-the-2025-hackaday-superconference-communicator-badge/
https://hackaday.com/2025/10/23/announcing-the-2025-hackaday-superconference-communicator-badge/
Hackaday
Announcing The 2025 Hackaday Superconference Communicator Badge
It’s the moment you hard-core hardware nerds have been waiting for: the reveal of the 2025 Hackaday Supercon Communicator Badge. And this year, we’ve outdone ourselves, but that’s thanks to help fr…
2025 Component Abuse Challenge: Nail Your Next Decal
https://hackaday.com/2025/10/23/2025-component-abuse-challenge-nail-your-next-decal/
https://hackaday.com/2025/10/23/2025-component-abuse-challenge-nail-your-next-decal/
Hackaday
2025 Component Abuse Challenge: Nail Your Next Decal
One of the hardest parts of a project — assuming it makes it that far — is finishing it up in an aesthetically pleasing manner. As they say, the devil is in the details, wearing Prada. …
A Logical Clock That Pretends To Be Analog
https://hackaday.com/2025/10/23/a-logical-clock-that-pretends-to-be-analog/
https://hackaday.com/2025/10/23/a-logical-clock-that-pretends-to-be-analog/
Hackaday
A Logical Clock That Pretends To Be Analog
[kcraske] had a simple plan for their clock build. They wanted a digital clock that was inspired by the appearance of an analog one, and they only wanted to use basic logic, with no microprocessors…
Keep An Eye On Your Air-Cooled Engine
https://hackaday.com/2025/10/23/keep-an-eye-on-your-air-cooled-engine/
https://hackaday.com/2025/10/23/keep-an-eye-on-your-air-cooled-engine/
Hackaday
Keep An Eye On Your Air-Cooled Engine
There was a time, long ago, when passenger vehicles used to be much simpler than they are today. There were many downsides of this era, safety chief among them, but there were some perks as well. T…
Making the Smallest and Dumbest LLM with Extreme Quantization
https://hackaday.com/2025/10/23/making-the-smallest-and-dumbest-llm-with-extreme-quantization/
https://hackaday.com/2025/10/23/making-the-smallest-and-dumbest-llm-with-extreme-quantization/
Hackaday
Making The Smallest And Dumbest LLM With Extreme Quantization
The reason why large language models are called ‘large’ is not because of how smart they are, but as a factor of their sheer size in bytes. At billions of parameters at four bytes each,…
Automatically Serving Up Canned Cat Food
https://hackaday.com/2025/10/23/automatically-serving-up-canned-cat-food/
https://hackaday.com/2025/10/23/automatically-serving-up-canned-cat-food/
Hackaday
Automatically Serving Up Canned Cat Food
If there’s any one benefit to having a cat as a pet instead of a dog, it’s that they’re a bit more independent and able to care for themselves for many days without human interven…
Tommy Flowers: How An Engineer Won The War
https://hackaday.com/2025/10/24/tommy-flowers-how-an-engineer-won-the-war/
https://hackaday.com/2025/10/24/tommy-flowers-how-an-engineer-won-the-war/
Hackaday
Tommy Flowers: How An Engineer Won The War
Back in 2016, we took you to a collection of slightly dilapidated prefabricated huts in the English Home Counties, and showed you a computer. The place was the National Museum of Computing, next to…
Robot Phone Home…Or Else
https://hackaday.com/2025/10/24/robot-phone-home-or-else/
https://hackaday.com/2025/10/24/robot-phone-home-or-else/
Hackaday
Robot Phone Home…Or Else
We would have enjoyed [Harishankar’s] tear down of a robot vacuum cleaner, even if it didn’t have a savage twist at the end. Turns out, the company deliberately bricked his smart vacuum…
This Week in Security: Court Orders, GlassWorm, TARmageddon, and It was DNS
https://hackaday.com/2025/10/24/this-week-in-security-court-orders-glassworm-tarmageddon-and-it-was-dns/
https://hackaday.com/2025/10/24/this-week-in-security-court-orders-glassworm-tarmageddon-and-it-was-dns/
Hackaday
This Week In Security: Court Orders, GlassWorm, TARmageddon, And It Was DNS
This week, a US federal court has ruled that NSO Group is no longer allowed to use Pegasus spyware against users of WhatsApp. And for their trouble, NSO was also fined $4 million. It’s unclea…
Making WiFi Sound Like Dial-Up Internet
https://hackaday.com/2025/10/24/making-wifi-sound-like-dial-up-internet/
https://hackaday.com/2025/10/24/making-wifi-sound-like-dial-up-internet/
Hackaday
Making WiFi Sound Like Dial-Up Internet
Dial-up modems had a distinctive sound when connecting, with the glittering, screeching song becoming a familiar melody to those jumping online in the early days of the Internet. Modern digital con…
Hackaday Podcast Episode 343: Double Component Abuse, a Tinkercad Twofer, and a Pair of Rants
https://hackaday.com/2025/10/24/hackaday-podcast-episode-343-double-component-abuse-a-tinkercad-twofer-and-a-pair-of-rants/
https://hackaday.com/2025/10/24/hackaday-podcast-episode-343-double-component-abuse-a-tinkercad-twofer-and-a-pair-of-rants/
Hackaday
Hackaday Podcast Episode 343: Double Component Abuse, A Tinkercad Twofer, And A Pair Of Rants
This week, Hackaday’s Elliot Williams and Kristina Panos met up across the universe to bring you the latest news, mystery sound, and of course, a big bunch of hacks from the previous seven da…
The Isetta TTL Computer Makes Some Noise
https://hackaday.com/2025/10/24/the-isetta-ttl-computer-makes-some-noise/
https://hackaday.com/2025/10/24/the-isetta-ttl-computer-makes-some-noise/
Hackaday
The Isetta TTL Computer Makes Some Noise
Our Hackaday colleague [Bil Herd] is known for being the mind behind the Commodore 128, a machine which famously had both a 6502 and a Z80 processor on board. The idea of a machine which could do t…
Tiny UPS Keeps WiFi Online
https://hackaday.com/2025/10/24/tiny-ups-keeps-wifi-online/
https://hackaday.com/2025/10/24/tiny-ups-keeps-wifi-online/
Hackaday
Tiny UPS Keeps WiFi Online
For any mission-critical computer system, it’s a good idea to think about how the system will handle power outages. At the very least it’s a good idea to give the computer enough time t…
Making a Cardboard Airplane Wing
https://hackaday.com/2025/10/24/making-a-cardboard-airplane-wing/
https://hackaday.com/2025/10/24/making-a-cardboard-airplane-wing/
Hackaday
Making A Cardboard Airplane Wing
Ideally, an aircraft would be made of something reasonably strong, light, and weather resistant. Cardboard, is none of those things. But that did not stop [PeterSripol] from building an ultralight …
The Great ADS1115 Pricing and Sourcing Mystery
https://hackaday.com/2025/10/24/the-great-ads1115-pricing-and-sourcing-mystery/
https://hackaday.com/2025/10/24/the-great-ads1115-pricing-and-sourcing-mystery/
Hackaday
The Great ADS1115 Pricing And Sourcing Mystery
Following up on the recent test of a set of purported ADS1115 ADCs sourced from Amazon [James Bowman] didn’t just test a genuine Ti part, but also dug into some of the questions that came up …
Avoid Missed Connections with The Connectorbook’s Web Tool
https://hackaday.com/2025/10/24/avoid-missed-connections-with-the-connectorbooks-web-tool/
https://hackaday.com/2025/10/24/avoid-missed-connections-with-the-connectorbooks-web-tool/
Hackaday
Avoid Missed Connections With The Connectorbook’s Web Tool
Connectors are wonderful and terrible things. Wonderful, in that splicing wires every time you need to disassemble something is really, really annoying. Terrible in that it can be just such an incr…
Teaching Math with 3D Printers
https://hackaday.com/2025/10/25/teaching-math-with-3d-printers/
https://hackaday.com/2025/10/25/teaching-math-with-3d-printers/
Hackaday
Teaching Math With 3D Printers
We’ve often thought that 3D printers make excellent school projects. No matter what a student’s interests are: art, software, electronics, robotics, chemistry, or physics, there’s…
Identifying Fake Small-Signal Transistors
https://hackaday.com/2025/10/25/identifying-fake-small-signal-transistors/
https://hackaday.com/2025/10/25/identifying-fake-small-signal-transistors/
Hackaday
Identifying Fake Small-Signal Transistors
It’s rather amazing how many electronic components you can buy right now are not quite the genuine parts that they are sold as. Outside of dedicated platforms like Mouser, Digikey and LCSC yo…
Get Ready for Supercon
https://hackaday.com/2025/10/25/get-ready-for-supercon/
https://hackaday.com/2025/10/25/get-ready-for-supercon/
Hackaday
Get Ready For Supercon
It’s just about all we can think about over here: the week leading up to the 2025 Superconference. From what we hear, it’s all-hands-on over in Pasadena right now, as everyone is putting the finish…