This Whirly 100-Filament LED Lamp Is So Good - Hackster.iohttps://www.hackster.io/news/this-whirly-100-filament-led-lamp-is-so-good-ff8a22b7cda4
Nick of the Nick Electronics YouTube channel built a very ambitious accent lamp with spinning LED discs.
Five Different Styles Of Cardboard Hinges | Hackadayhttps://hackaday.com/2026/04/30/five-different-styles-of-cardboard-hinges/
One doesn’t generally associate cardboard with structural components like hinges, but [Itoshige Studio] assures us that you can absolutely create hinges out of this ubiquitous material. In to…
A Guide To CubeSat Mission And Bus Design | Hackadayhttps://hackaday.com/2026/04/28/a-guide-to-cubesat-mission-and-bus-design/
If you mention the word bus, you might think of public transportation or, more likely for us, a way to connect things together. But in the satellite world, the bus is the part of a vehicle that sup…
Your CPU Has More Registers Than You'd Think | Shreeyash's Bloghttps://fp32.org/register_renaming.html
Shreeyash's Blog
3D Print Full-Color Photos on a Regular Old Filament Printer - Hackster.iohttps://www.hackster.io/news/3d-print-full-color-photos-on-a-regular-old-filament-printer-e40b1ba784d8
Primed3D is a tool that will let you print in full color(ish) using a regular old filament 3D printer.
Reviving Nintendo’s Early Arcade Game, Wild Gunman | Hackadayhttps://hackaday.com/2026/04/24/reviving-nintendos-early-arcade-game-wild-gunman/
There’s retrogaming, and then there’s retro gaming. This next project falls into the second category, as [Callan] of 74XX Arcade Repair digs into the original Wild Gunman, first release…
GitHub - TeamOpenFIRE/OpenFIRE-App: Reference configuration/testing app for the OpenFIRE project, built in Qt/C++. · GitHubhttps://github.com/TeamOpenFIRE/OpenFIRE-App
Reference configuration/testing app for the OpenFIRE project, built in Qt/C++. - TeamOpenFIRE/OpenFIRE-App
DIY Smart Button Gets Surprisingly Complicated | Hackadayhttps://hackaday.com/2026/04/22/diy-smart-button-gets-surprisingly-complicated/
There’s a reason that the standards specifications for various wireless communications protocols are extremely long and detailed. [Made by Dennis] found this out first hand when he decided to…
Build a Giant 2,500-LED Wall on a Budget - Hackster.iohttps://www.hackster.io/news/build-a-giant-2-500-led-wall-on-a-budget-ebcb2cbd4e76
Chris Maher made a massive, wall-sized 2,500-LED matrix without breaking the bank using an ingenious design powered by LED strips.
Check Out This 7-Segment Display That Runs on Air - Hackster.iohttps://www.hackster.io/news/check-out-this-7-segment-display-that-runs-on-air-8562ef9e05e3
This air-powered 7-segment display uses pneumatic "transistors" and vacuum pressure to physically transform the segments.
Painting the Time on Flip Sequins - Hackster.iohttps://www.hackster.io/news/painting-the-time-on-flip-sequins-d57d924a2967
Sequino is a robotic clock that swaps pixels for flip sequins, using an H-bot system to "paint" the time on a shimmering canvas.
Implementing PCIe Over Fiber Using SFP Modules | Hackadayhttps://hackaday.com/2026/04/11/implementing-pcie-over-fiber-using-sfp-modules/
Although we can already buy commercial transceiver solutions that allow us to use PCIe devices like GPUs outside of a PC, these use an encapsulating protocol like Thunderbolt rather than straight P…
This $15 Breadboard Upgrade Makes Life Easier - Hackster.iohttps://www.hackster.io/news/this-15-breadboard-upgrade-makes-life-easier-aa2ffa6e96c2
Power your breadboard anywhere with the BrødBoost-C2, a tiny, USB-C powered regulator delivering clean 3.3V/5V power for just $14.99.
Easily Add Texture to Your 3D Prints with the Free BumpMesh Web Tool - Hackster.iohttps://www.hackster.io/news/easily-add-texture-to-your-3d-prints-with-the-free-bumpmesh-web-tool-c25191dc844c
Stefan from CNC Kitchen created the BumpMesh web tool to make 3D model texturing super easy.
Turning Dollar-Store Foam Into a High-Tech FPV Plane - Hackster.iohttps://www.hackster.io/news/turning-dollar-store-foam-into-a-high-tech-fpv-plane-bb837c14dff6
With just a few basic components like a Seeed Studio XIAO ESP32S3, you can turn a $2 toy glider into a high-tech FPV airplane.
Playful ‘Space Dice’ Kit Shows Off Clever Design | Hackadayhttps://hackaday.com/2026/03/28/playful-space-dice-kit-shows-off-clever-design/
[Tommy] at Oskitone has been making hardware synth kits for years, and his designs are always worth checking out. His newest offering Space Dice is an educational kit that is a combination vintage …
Add Laser Engraving to Your Desk for Just $64 - Hackster.iohttps://www.hackster.io/news/add-laser-engraving-to-your-desk-for-just-64-92e7312e464e
Build your own mini laser engraver for $64! This ATmega328-powered project burns detailed designs into wood, leather, and paper.
The Insane Engineering Behind a DIY Real-Time Spray Paint Mixer - Hackster.iohttps://www.hackster.io/news/the-insane-engineering-behind-a-diy-real-time-spray-paint-mixer-b6dfbad35568
Sandesh Manik wanted a kind of real-time color-mixing system for spray paint and bringing that to life required some insane engineering.
Build This Open-Source Graphics Calculator | Hackadayhttps://hackaday.com/2026/03/23/build-this-open-source-graphics-calculator/
Graphics calculators are one of those strange technological cul-de-sacs. They rely on outdated technology and should not be nearly as expensive as they are, but market effects somehow keep prices w…
The 3DFX Voodoo Lives Again In An FPGA | Hackadayhttps://hackaday.com/2026/03/22/the-3dfx-voodoo-lives-again-in-an-fpga/
The 3DFX Voodoo was not the first dedicated 3D graphics chipset by any means, but it became the favourite for gamers among the early mass-market GPUs. It would be found on a 3D-processing-only PCI …