3D Printed Cable-Driven Mechanisms – Some Strings Attached

One of the most basic problems with robotic arms and similar systems is keeping the weight down, as more weight requires a more rigid frame and stronger actuators. Cable-driven systems …read more
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https://hackaday.com/2025/05/03/3d-printed-cable-driven-mechanisms-some-strings-attached/

Testing a Cheap Bench Power Supply Sold on Amazon

We’ve all seen those cheap bench power supply units (PSUs) for sale online, promising specifications that would cost at least a hundred dollars or more if it were a name …read more
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https://hackaday.com/2025/05/03/testing-a-cheap-bench-power-supply-sold-on-amazon/

LLM Ported To The C64, Kinda

“If there’s one thing the Commodore 64 is missing, it’s a large language model,” is a phrase nobody has uttered on this Earth. Yet, you could run one, if you …read more
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https://hackaday.com/2025/05/03/llm-ported-to-the-c64-kinda/

Tablet Suspension System Avoids Fatigue at Bedtime

You know how it is. You’re all cozy in bed but not quite ready to doze off. You’re reading Hackaday (Hackaday is your go-to bedtime reading material, right?) or you’re …read more
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https://hackaday.com/2025/05/03/tablet-suspension-system-avoids-fatigue-at-bedtime/

Hacking Different Sized Nozzles For AnyCubic Printers

If you’ve got a popular 3D printer that has been on the market a good long while, you can probably get any old nozzles you want right off the shelf. …read more
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https://hackaday.com/2025/05/03/hacking-different-sized-nozzles-for-anycubic-printers/

Knowing What’s Possible

Dan Maloney and I were talking on the podcast about his memories of the old electronics magazines, and how they had some gonzo projects in them. One, a DIY picture …read more
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https://hackaday.com/2025/05/03/knowing-whats-possible/

Getting Stated with ATtiny Configurable Custom Logic (CCL)

In the Microchip tinyAVR 0-series, 1-series, and 2-series we see Configurable Custom Logic (CCL) among the Core Independent Peripherals (CIP) available on the chip. In this YouTube video [Grug Huhler] …read more
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https://hackaday.com/2025/05/03/getting-stated-with-attiny-configurable-custom-logic-ccl/

Ratcheting Mechanism Gives Tendons a Tug

A common ratchet from your garage may work wonders for tightening hard to reach bolts on whatever everyday projects around the house. However, those over at [Chronova Engineering] had a …read more
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https://hackaday.com/2025/05/03/ratcheting-mechanism-gives-tendons-a-tug/

A Neat E-Paper Digit Clock (or Four)

[sprite_tm] had a problem. He needed a clock for the living room, but didn’t want to just buy something off the shelf. In his own words, “It’s an opportunity for …read more
#hacking #projects
https://hackaday.com/2025/05/02/a-neat-e-paper-digit-clock-or-four/

A Gentle Introduction to Impedance Matching

Impedance matching is one of the perpetual confusions for new electronics students, and for good reason: the idea that increasing the impedance of a circuit can lead to more power …read more
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https://hackaday.com/2025/05/02/a-gentle-introduction-to-impedance-matching/

Prusa Mini Nozzle Cam on the Cheap

Let me throw in a curveball—watching your 3D print fail in real-time is so much more satisfying when you have a crisp, up-close view of the nozzle drama. That’s exactly …read more
#hacking #projects
https://hackaday.com/2025/05/02/prusa-mini-nozzle-cam-on-the-cheap/

Smart Speaker Gets Brain Surgery, Line-Out

Sometimes you find a commercial product that is almost, but not exactly perfect for your needs. Your choices become: hack together a DIY replacement, or hack the commercial product to …read more
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https://hackaday.com/2025/05/02/smart-speaker-gets-brain-surgery-line-out/

3D Printed Spirograph Makes Art Out of Walnut

Who else remembers Spirograph? When making elaborate spiral doodles, did you ever wish for a much, much bigger version? [Fortress Fine Woodworks] had that thought, and “slapped a router onto …read more
#hacking #projects
https://hackaday.com/2025/05/02/3d-printed-spirograph-makes-art-out-of-walnut/

Preparing for the Next Pandemic

While the COVID-19 pandemic wasn’t an experience anyone wants to repeat, infections disease experts like [Dr. Pardis Sabeti] are looking at what we can do to prepare for the next …read more
#hacking #projects
https://hackaday.com/2025/05/02/preparing-for-the-next-pandemic/

This Week in Security: AirBorne, EvilNotify, and Revoked RDP

This week, Oligo has announced the AirBorne series of vulnerabilities in the Apple Airdrop protocol and SDK. This is a particularly serious set of issues, and notably affects MacOS desktops …read more
#hacking #projects
https://hackaday.com/2025/05/02/this-week-in-security-airborne-evilnotify-and-revoked-rdp/

Is This the Truck We’ve Been Waiting For?

Imagine a bare-bones electric pickup: it’s the size of an old Hilux, it seats two, and the bed fits a full sheet of plywood. Too good to be true? Wait …read more
#hacking #projects
https://hackaday.com/2025/05/02/is-this-the-truck-weve-been-waiting-for/

Pinoutleaf: Simplifying Pinout References

We all appreciate clear easy-to-read reference materials. In that pursuit [Andreas] over at Splitbrain sent in his latest project, Pinoutleaf. This useful web app simplifies the creation of clean, professional …read more
#hacking #projects
https://hackaday.com/2025/05/02/pinoutleaf-simplifying-pinout-references/

Single-Board Z80 Computer Draws Inspiration From Picasso

Picasso and the Z80 microprocessor are not two things we often think about at the same time. One is a renowned artist born in the 19th century, the other, a …read more
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https://hackaday.com/2025/05/01/single-board-z80-computer-draws-inspiration-from-picasso/

Blurry Image Placeholders, Generated With Minimal CSS

Low-quality image placeholders (LQIPs) have a solid place in web page design. There are many different solutions but the main gotcha is that generating them tends to lean on things …read more
#hacking #projects
https://hackaday.com/2025/05/01/blurry-image-placeholders-generated-with-minimal-css/