2025 One Hertz Challenge: Electromechanical CMOS Clock Keeps In Step With Mains Frequency
https://hackaday.com/2025/07/04/2025-one-hertz-challenge-electromechanical-cmos-clock-keeps-in-step-with-mains-frequency/
https://hackaday.com/2025/07/04/2025-one-hertz-challenge-electromechanical-cmos-clock-keeps-in-step-with-mains-frequency/
Hackaday
2025 One Hertz Challenge: Electromechanical CMOS Clock Keeps In Step With Mains Frequency
Some people can’t be bothered to read the analog face of a traditional clock. Some people cannot stand the low frequency “hum” of mains current. If you are in either of those cate…
3D Printer Turbo-Charges a Vintage Vehicle
https://hackaday.com/2025/07/04/3d-printer-turbo-charges-a-vintage-vehicle/
https://hackaday.com/2025/07/04/3d-printer-turbo-charges-a-vintage-vehicle/
Hackaday
3D Printer Turbo-Charges A Vintage Vehicle
[Ryan] of [Fat Lip Collective] has been on a streak of using 3D printing for his car mod projects. From spark plug adapters to exhaust pipes to dash panels, his CAD skills and additive manufacturin…
Video Cable Becomes Transmitter with TEMPEST-LoRa
https://hackaday.com/2025/07/04/video-cable-becomes-transmitter-with-tempest-lora/
https://hackaday.com/2025/07/04/video-cable-becomes-transmitter-with-tempest-lora/
Hackaday
Video Cable Becomes Transmitter With TEMPEST-LoRa
EFI from cables is something every ham loves to hate. What if you modulated, that, though, using an ordinary cable as an antenna? If you used something ubiquitous like a video cable, you might have…
Running an Entire PS1 Emulator in a DS Cartridge
https://hackaday.com/2025/07/04/running-an-entire-ps1-emulator-in-a-ds-cartridge/
https://hackaday.com/2025/07/04/running-an-entire-ps1-emulator-in-a-ds-cartridge/
Hackaday
Running An Entire PS1 Emulator In A DS Cartridge
Gaming on a Nintendo DS can bring back great memories of long car trips from the past. But looking back, we remember wishing to play more than the DS could ever hope to handle. [fami] looks into th…
CIS-4 Is a Monkish Clock Inside a Ceiling Lamp
https://hackaday.com/2025/07/04/cis-4-is-a-monkish-clock-inside-a-ceiling-lamp/
https://hackaday.com/2025/07/04/cis-4-is-a-monkish-clock-inside-a-ceiling-lamp/
Hackaday
CIS-4 Is A Monkish Clock Inside A Ceiling Lamp
It’s always clock time at Hackaday, and this time we have an interesting hack of a clock by [danjovic]– the CIS4, a Cistercian digital clock. The Cistertians, in case you weren’t …
Track Your GitHub Activity With This E-Ink Display
https://hackaday.com/2025/07/05/track-your-github-activity-with-this-e-ink-display/
https://hackaday.com/2025/07/05/track-your-github-activity-with-this-e-ink-display/
Hackaday
Track Your GitHub Activity With This E-Ink Display
If you’re a regular GitHub user you’ll be familiar with the website’s graphical calendar display of activity as a grid. For some of you it will show a hive of activity, while for …
A Feast Of 1970s Gaming History, And An 8080 Arcade Board
https://hackaday.com/2025/07/05/a-feast-of-1970s-gaming-history-and-an-8080-arcade-board/
https://hackaday.com/2025/07/05/a-feast-of-1970s-gaming-history-and-an-8080-arcade-board/
Hackaday
A Feast Of 1970s Gaming History, And An 8080 Arcade Board
Sometimes a write-up of a piece of retrocomputing hardware goes way beyond the hardware itself and into the industry that spawned it, and thus it is with [OldVCR]’s resurrection of a Blasto a…
Software Defined Retro ROM Makes 8-bit Easy
https://hackaday.com/2025/07/05/software-defined-retro-rom-makes-8-bit-easy/
https://hackaday.com/2025/07/05/software-defined-retro-rom-makes-8-bit-easy/
Hackaday
Software Defined Retro ROM Makes 8-bit Easy
Like the rest of us, 8-bit hardware is not getting any newer, and failed ROMs are just a fact of life. Of course you can’t call up Commadore corporation for replacement parts anymore, so some…
AI Is Only Coming For Fun Jobs
https://hackaday.com/2025/07/05/ai-is-only-coming-for-fun-jobs/
https://hackaday.com/2025/07/05/ai-is-only-coming-for-fun-jobs/
Hackaday
AI Is Only Coming For Fun Jobs
In the past few years, what marketers and venture capital firms term “artificial intelligence” but is more often an advanced predictive text model of some sort has started taking people…
Mapping Tool Helps Identify Usable Land For Building
https://hackaday.com/2025/07/05/mapping-tool-helps-identify-usable-land-for-building/
https://hackaday.com/2025/07/05/mapping-tool-helps-identify-usable-land-for-building/
Hackaday
Mapping Tool Helps Identify Usable Land For Building
How would you go about identifying usable land that suits your building tastes? [Scott Sexton] was specifically, looking for land that’s not to steep to build on, and realized that existing r…
Daisy chain of hacks lets new Arm board run Doom
https://hackaday.com/2025/07/05/daisy-chain-of-hacks-lets-new-arm-board-run-doom/
https://hackaday.com/2025/07/05/daisy-chain-of-hacks-lets-new-arm-board-run-doom/
Hackaday
Daisy Chain Of Hacks Lets New Arm Board Run Doom
Running DOOM on ARM? Old hat. Running Doom (2016) on an ARM SBC? Well, that’s a bit more interesting, and [Interfacing Linux] shows us how with this handy guide, and in a video embedded below…
Shadow Clock Shows The Time On The Wall
https://hackaday.com/2025/07/05/shadow-clock-shows-the-time-on-the-wall/
https://hackaday.com/2025/07/05/shadow-clock-shows-the-time-on-the-wall/
Hackaday
Shadow Clock Shows The Time On The Wall
What if you build a clock that displayed the time not just on its own, but in its shadows as well? [Lewis] from [DIY Machines] has done just that, with a nifty 3D-printed shadow clock build. The cl…
A Look Through the Eye of a Bowling Ball
https://hackaday.com/2025/07/05/a-look-through-the-eye-of-a-bowling-ball/
https://hackaday.com/2025/07/05/a-look-through-the-eye-of-a-bowling-ball/
Hackaday
A Look Through The Eye Of A Bowling Ball
If you are anything like us, last time you went bowling, you thought more about how the ball came back to you than actually knocking down the pin. Perhaps you even wondered what it would be like to…
Convert Any Book to a DIY Audiobook?
https://hackaday.com/2025/07/06/convert-any-book-to-a-diy-audiobook/
https://hackaday.com/2025/07/06/convert-any-book-to-a-diy-audiobook/
Hackaday
Convert Any Book To A DIY Audiobook?
If the idea of reading a physical book sounds like hard work, [Nick Bild’s] latest project, the PageParrot, might be for you. While AI gets a lot of flak these days, one thing modern multimod…
Going to the (Parallel) Chapel
https://hackaday.com/2025/07/06/going-to-the-parallel-chapel/
https://hackaday.com/2025/07/06/going-to-the-parallel-chapel/
Hackaday
Going To The (Parallel) Chapel
There is always the promise of using more computing power for a single task. Your computer has multiple CPUs now, surely. Your video card has even more. Your computer is probably networked to a sle…
Visiting Our Neighbor Sedna: Feasibility Study of a Mission to This Planetoid
https://hackaday.com/2025/07/06/visiting-our-neighbor-sedna-feasibility-study-of-a-mission-to-this-planetoid/
https://hackaday.com/2025/07/06/visiting-our-neighbor-sedna-feasibility-study-of-a-mission-to-this-planetoid/
Hackaday
Visiting Our Neighbor Sedna: Feasibility Study Of A Mission To This Planetoid
While for most people Pluto is the most distant planet in the Solar System, things get a lot more fuzzy once you pass Neptune and enter the realm of trans-Neptunian objects (TNOs). Pluto is probabl…
Does Made-in-America Make Sense for PCB Prototyping?
https://hackaday.com/2025/07/06/does-made-in-america-make-sense-for-pcb-prototyping/
https://hackaday.com/2025/07/06/does-made-in-america-make-sense-for-pcb-prototyping/
Hackaday
Does Made-in-America Make Sense For PCB Prototyping?
These are tough times for American hackers, and rife with uncertainty. Trade wars are on, off, on again– who can keep track? If you’re used to getting everything from China, that can re…
Diagnosing Whisker Failure Mode in AF114 and Similar Transistors
https://hackaday.com/2025/07/06/diagnosing-whisker-failure-mode-in-af114-and-similar-transistors/
https://hackaday.com/2025/07/06/diagnosing-whisker-failure-mode-in-af114-and-similar-transistors/
Hackaday
Diagnosing Whisker Failure Mode In AF114 And Similar Transistors
AF114 germanium transistors and related ones like the AF115 through AF117 were quite popular during the 1960s, but they quickly developed a reputation for failure. This is due to what should have m…
Hackaday Links: July 6, 2025
https://hackaday.com/2025/07/06/hackaday-links-july-6-2025/
https://hackaday.com/2025/07/06/hackaday-links-july-6-2025/
Hackaday
Hackaday Links: July 6, 2025
Taking delivery of a new vehicle from a dealership is an emotional mixed bag. On the one hand, you’ve had to endure the sales rep’s hunger to close the deal, the tedious negotiations wi…
Fastener Fusion: Automating the Art of Counting
https://hackaday.com/2025/07/06/fastener-fusion-automating-the-art-of-counting/
https://hackaday.com/2025/07/06/fastener-fusion-automating-the-art-of-counting/
Hackaday
Fastener Fusion: Automating The Art Of Counting
Counting objects is an ideal task for automation, and when focusing on a single type of object, there are many effective solutions. But what if you need to count hundreds of different objects? That…
Building a Potato-based GLaDOS as an Introduction to AI
https://hackaday.com/2025/07/06/building-a-potato-based-glados-as-an-introduction-to-ai/
https://hackaday.com/2025/07/06/building-a-potato-based-glados-as-an-introduction-to-ai/
Hackaday
Building A Potato-based GLaDOS As An Introduction To AI
Although not nearly as intimidating as her ceiling-mounted hanging arm body, GLaDOS spent a significant portion of the Portal 2 game in a stripped-down computer powered by a potato battery. [Dave] …