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Last Notes

2026-09-12 14:00:50 GMT

Supercon is Nigh!
https://hackaday.com/wp-content/uploads/2026/07/supercon_10_CFP.png?w=800
The 2026 Hackaday Superconference is just around the corner in November. It’s hard to believe that we’ve been having an annual gathering for so long, but this is number ten. https://hackaday.com/2026/09/12/supercon-is-nigh/
https://hackaday.com/2026/09/12/supercon-is-nigh/

2026-09-05 14:00:45 GMT

If at First You Don’t Succeed…
https://hackaday.com/wp-content/uploads/2016/04/calibration.jpg?w=800
… at least document what failed and give the failure analysis a good effort. And then later on, you can “try, try again” or let someone else carry on with https://hackaday.com/2026/09/05/if-at-first-you-dont-succeed/
https://hackaday.com/2026/09/05/if-at-first-you-dont-succeed/

2026-08-30 08:00:12 GMT

Woodstove Assistant Keeps the Heat on Safely
https://hackaday.com/wp-content/uploads/2026/08/remote-woodstove-main.png?w=800
Those who have never lived in a cold climate might romanticize winters around a fire, keeping warm under blankets while snow gently falls outside. While it certainly can be a https://hackaday.com/2026/08/30/woodstove-assistant-keeps-the-heat-on-safely/
https://hackaday.com/2026/08/30/woodstove-assistant-keeps-the-heat-on-safely/

2026-08-28 18:30:21 GMT

Casting Engine Parts from 3D Prints
https://hackaday.com/wp-content/uploads/2026/08/casting_lost_pla_engine_parts_camden_bowen_youtube.jpg?w=800
After building a couple of internal combustion engines by milling billet aluminium stock and cringing at the absolute waste of material this created, [Camden Bowen] figured he’d give casting metal https://hackaday.com/2026/08/28/casting-engine-parts-from-3d-prints/
https://hackaday.com/2026/08/28/casting-engine-parts-from-3d-prints/

2026-08-27 08:00:03 GMT

eeink Provides eInk, ESP32 Powered Text Adventures
https://hackaday.com/wp-content/uploads/2026/08/eeink-text-adventure.jpg?w=800
There’s a niche genre of text adventure that’s halfway between a traditional novel and a videogame. Think Zork if it had an extra few novels worth of words of well-crafted https://hackaday.com/2026/08/27/eeink-provides-eink-esp32-powered-text-adventures/
https://hackaday.com/2026/08/27/eeink-provides-eink-esp32-powered-text-adventures/

2026-08-26 11:00:09 GMT

Claude Plays DOOM
https://hackaday.com/wp-content/uploads/2026/08/🤖-Claude-Sonnet-plays-DOOM-on-an-ESP32-P4-0-54-screenshot.png?w=800
Large language models (LLMs) are generally thought of as machines that accept textual prompts and spit out textual content. However, if you’re creative in the way you interface with them, https://hackaday.com/2026/08/26/claude-plays-doom/
https://hackaday.com/2026/08/26/claude-plays-doom/

2026-08-24 18:30:00 GMT

At Last, A Gameboy Advance With Decent Audio
https://hackaday.com/wp-content/uploads/2026/08/gba-audio-featured.jpg?w=800
Many pieces of consumer electronics are build down to a price, and the corners cut show up in their performance. The Gameboy Advance from Nintendo is no exception: its audio https://hackaday.com/2026/08/24/at-last-a-gameboy-advance-with-decent-audio/
https://hackaday.com/2026/08/24/at-last-a-gameboy-advance-with-decent-audio/

2026-08-24 14:00:28 GMT

An Early History of Space Stations: Where’s My Wheel?
https://hackaday.com/wp-content/uploads/2026/08/SpaceStation.jpg?w=800
Last time we found out the idea of space stations is surprisingly old. By the 1950s, everyone knew we’d be working in beautiful space stations that rotated like a wheel https://hackaday.com/2026/08/24/an-early-history-of-space-stations-wheres-my-wheel/
https://hackaday.com/2026/08/24/an-early-history-of-space-stations-wheres-my-wheel/

2026-08-22 14:00:22 GMT

You Gotta Want It
https://hackaday.com/wp-content/uploads/2020/05/Automation.jpg?w=800
On Hackaday last week, and on the podcast, we were talking about one of the educational toys of yesteryear that launched a thousand careers, at least if the comment section https://hackaday.com/2026/08/22/you-gotta-want-it/
https://hackaday.com/2026/08/22/you-gotta-want-it/

2026-08-21 23:00:50 GMT

Building a Hammond Organ to Understand How They Work
https://hackaday.com/wp-content/uploads/2026/08/Uri-Hammond-organ-feat.jpg?w=800
The Hammond organ is an early form of electronic– or perhaps electromechanical– musical instrument. It solved the very real problem of organs normally being the sort of thing you built https://hackaday.com/2026/08/21/building-a-hammond-organ-to-understand-how-they-work/
https://hackaday.com/2026/08/21/building-a-hammond-organ-to-understand-how-they-work/

2026-08-21 20:00:14 GMT

Thermoacoustic Sterling Engine is Now Fully 3D Printable
https://hackaday.com/wp-content/uploads/2026/08/sterling-engine-feat-e1787243009107.jpg?w=800
Would you like to make your own energy? Why, who doesn’t in this era of rising costs! A sterling engine always looks like a good fit for that: highly efficient, https://hackaday.com/2026/08/21/thermoacoustic-sterling-engine-is-now-fully-3d-printable/
https://hackaday.com/2026/08/21/thermoacoustic-sterling-engine-is-now-fully-3d-printable/

2026-08-06 11:00:08 GMT

Amiga and Commodore, Back Together (Sort Of)
https://hackaday.com/wp-content/uploads/2026/08/amiga-featured.jpg?w=800
The story of Commodore, the famous manufacturer of home computers, is a murky one at best. Commodore fans will decry their woeful marketing and dismal product roadmap, while former employees https://hackaday.com/2026/08/06/amiga-and-commodore-back-together-sort-of/
https://hackaday.com/2026/08/06/amiga-and-commodore-back-together-sort-of/

2026-08-06 05:00:08 GMT

Hacking a Tenda AC1200 Wi-Fi Router with a CVE Combo
https://hackaday.com/wp-content/uploads/2026/08/tenda_ac10v6_telnet_exploit_low_level_youtube.jpg?w=800
It’s rather awkward when you buy a piece of hardware like a sketchy router to make a video about its hidden admin password backdoor – known as CVE-2026-11405 – only https://hackaday.com/2026/08/05/hacking-a-tenda-ac1200-wi-fi-router-with-a-cve-combo/
https://hackaday.com/2026/08/05/hacking-a-tenda-ac1200-wi-fi-router-with-a-cve-combo/

2026-08-06 02:00:59 GMT

3D Printing A Usable Airless Tire
https://hackaday.com/wp-content/uploads/2026/08/airless-tire-main.jpg?w=800
For decades now, companies like Michelin have been teasing us with futuristic-looking automobile tires that don’t use air. Instead, they use a polymer mesh of sorts which maintains the same https://hackaday.com/2026/08/05/3d-printing-a-usable-airless-tire/
https://hackaday.com/2026/08/05/3d-printing-a-usable-airless-tire/

2026-08-05 14:00:45 GMT

Cell Broadcast: The Modern Emergency Alert System
https://hackaday.com/wp-content/uploads/2026/07/CellBroadcast.jpg?w=800
Once upon a time, telephones were primarily point-to-point communications systems. There were options for three-way and conference calls out there, but by and large the plain old telephone system was https://hackaday.com/2026/08/05/cell-broadcast-the-modern-emergency-alert-system/
https://hackaday.com/2026/08/05/cell-broadcast-the-modern-emergency-alert-system/

2026-08-04 18:30:50 GMT

At Last! CP/M for Protected Mode
https://hackaday.com/wp-content/uploads/2026/08/cpm386.png?w=800
If you used a serious computer pre-IBM PC, there was a fair chance its operating system was CP/M. CP/M was a staple among 8080 and Z80 computers and while there https://hackaday.com/2026/08/04/at-last-cp-m-for-protected-mode/
https://hackaday.com/2026/08/04/at-last-cp-m-for-protected-mode/

2026-08-04 14:00:10 GMT

Road Trains Roam The Backroads of Australia
https://hackaday.com/wp-content/uploads/2026/08/RoadTrain.jpg?w=800
Trains and the railways they run on are a great way to move lots of stuff, or lots of people, a long way. Steel wheels on steel rail can shift https://hackaday.com/2026/08/04/road-trains-roam-the-backroads-of-australia/
https://hackaday.com/2026/08/04/road-trains-roam-the-backroads-of-australia/

2026-08-04 02:00:23 GMT

Sketching Temporary Circuits with a Light-Triggered Floquet Topological Insulator
https://hackaday.com/wp-content/uploads/2026/07/floquet_topological_state_f_chassot_et_al_2026_nature_physics.jpg?w=780
In semiconductor technology, a base material like silicon is permanently modified to induce certain electrical behavior. In comparison a topological insulator material could be used to create temporary circuits using https://hackaday.com/2026/08/03/sketching-temporary-circuits-with-a-light-triggered-floquet-topological-insulator/
https://hackaday.com/2026/08/03/sketching-temporary-circuits-with-a-light-triggered-floquet-topological-insulator/

2026-08-03 18:30:16 GMT

Child-Friendly Music Player Uses RFID
https://hackaday.com/wp-content/uploads/2026/07/mememe_munecos.Dj2rwg9o_Z20dDLt-e1785557184513.webp?w=800
[David] has a young child who is clever enough to use a computer to play music, but he doesn’t quite want to hand over the mouse just yet. Thus, he https://hackaday.com/2026/08/03/child-friendly-music-player-uses-rfid/
https://hackaday.com/2026/08/03/child-friendly-music-player-uses-rfid/

2026-08-03 02:00:18 GMT

Easy Theremin Uses ESP32
https://hackaday.com/wp-content/uploads/2026/07/DSC_0001-e1785555019998.jpg?w=800
The Theremin is that classic electronic musical instrument that makes those weeee-ohhhhh noises which were so popular in mid-century science fiction movies. Mid-last-century, that is, because this century is just https://hackaday.com/2026/08/02/easy-theremin-uses-esp32/
https://hackaday.com/2026/08/02/easy-theremin-uses-esp32/

2026-08-02 23:00:22 GMT

Hackaday Links: August 2, 2026
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About a month ago, we brought you word that the commercial rescue mission designed by Katalyst Space to save NASA’s Swift gamma-ray observatory had reached orbit and early indicators were https://hackaday.com/2026/08/02/hackaday-links-august-2-2026/
https://hackaday.com/2026/08/02/hackaday-links-august-2-2026/

2026-07-28 15:30:39 GMT

Sharkfin Bites Attack Shark
https://hackaday.com/wp-content/uploads/2026/07/cw-abyss.webp?w=800
The Attack Shark is a modern keyboard with fancy magnetic keyswitches, macros, configurable blinky LEDs, and more. The problem is that the configuration software only works on Windows, so [JR https://hackaday.com/2026/07/28/sharkfin-bites-attack-shark/
https://hackaday.com/2026/07/28/sharkfin-bites-attack-shark/

2026-07-26 20:00:00 GMT

Filling High Pressure CO2 Tanks From Sugar Fermentation Gas
https://hackaday.com/wp-content/uploads/2026/07/compressing_co2_hyperspace_pirate_youtube.jpg?w=800
After previously using the fermenting of sugar to obtain ethanol fuel, [Hyperspace Pirate] figured that it’d be a waste to just blast the other half of the yeast production in https://hackaday.com/2026/07/26/filling-high-pressure-co2-tanks-from-sugar-fermentation-gas/
https://hackaday.com/2026/07/26/filling-high-pressure-co2-tanks-from-sugar-fermentation-gas/

2026-07-23 18:30:00 GMT

Mic Jammer Relies on Ultrasound
https://hackaday.com/wp-content/uploads/2026/07/DIY-Ultrasonic-Microphone-Jammer-final-hardware-update-RP2040-MOSFET-Kicad-8-58-screenshot.png?w=800
Today’s phone microphones are perfectly adept at picking up sound in all sorts of conditions, and they’re backed by all kinds of processing techniques to filter out noise and capture https://hackaday.com/2026/07/23/mic-jammer-relies-on-ultrasound/
https://hackaday.com/2026/07/23/mic-jammer-relies-on-ultrasound/

2026-07-23 05:00:00 GMT

Industrial GPU Adapted for the Desktop
https://hackaday.com/wp-content/uploads/2026/07/server-gpu-main.jpg?w=800
As technologies change and adapt, we’re often left with seemingly useless junk that has nowhere to go. Certainly anyone still sitting on a pile of floppy disks feels this way https://hackaday.com/2026/07/22/industrial-gpu-adapted-for-the-desktop/
https://hackaday.com/2026/07/22/industrial-gpu-adapted-for-the-desktop/

2026-07-22 14:00:04 GMT

Compile Here, Run Everywhere: Crosstool-Ng
https://hackaday.com/wp-content/uploads/2026/07/CrossCompiling.jpg?w=800
In a recent post, I mentioned that I wanted to build some tools for a stripped-down Linux running on a 3D printer with a MIPS CPU. I had two options: https://hackaday.com/2026/07/22/compile-here-run-everywhere-crosstool-ng/
https://hackaday.com/2026/07/22/compile-here-run-everywhere-crosstool-ng/

2026-07-22 08:00:36 GMT

60 FPS NES Emulator on ESP32
https://hackaday.com/wp-content/uploads/2026/07/nes-esp-main.png?w=800
At least in theory, video games are more resistant to becoming lost media thanks to their digital nature — they’re easy to copy and emulators have saved many titles that https://hackaday.com/2026/07/22/60-fps-nes-emulator-on-esp32/
https://hackaday.com/2026/07/22/60-fps-nes-emulator-on-esp32/

2026-07-22 02:00:40 GMT

Open Source Vacuum Avoids Cloud
https://hackaday.com/wp-content/uploads/2026/07/omwoo-main.jpg?w=800
As more and more of the technology that we paid for turns becomes a subscription, there’s slowly been a momentum shift in the open source world of building replacements for https://hackaday.com/2026/07/21/open-source-vacuum-avoids-cloud/
https://hackaday.com/2026/07/21/open-source-vacuum-avoids-cloud/

2026-07-21 08:00:22 GMT

20 FPS on E-Paper Display Without Help
https://hackaday.com/wp-content/uploads/2026/07/eink-fps-main.jpg?w=800
If electronic paper displays have one downside, it’s generally refresh rate. Earlier versions of the tech might only have been able to do single-digit frames per second, while modern, mid-range https://hackaday.com/2026/07/21/20-fps-on-e-paper-display-without-help/
https://hackaday.com/2026/07/21/20-fps-on-e-paper-display-without-help/

2026-07-21 02:00:00 GMT

Detection of a Four-Carbon Sugar in Interstellar Space
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Although life tends to find a way, something first has to kickstart said lifeforms. Exactly how the first biological cells formed on Earth – and potentially on other worlds – https://hackaday.com/2026/07/20/detection-of-a-four-carbon-sugar-in-interstellar-space/
https://hackaday.com/2026/07/20/detection-of-a-four-carbon-sugar-in-interstellar-space/

2026-07-20 02:00:02 GMT

Pong-like Cabinet for Classic Dinosaur Jumper
https://hackaday.com/wp-content/uploads/2026/07/dino-main.png?w=800
Back when Google ran a functional search engine, there used to be all kinds of quirky, fun antics hidden in their products. From Easter eggs in certain search results, to https://hackaday.com/2026/07/19/pong-like-cabinet-for-classic-dinosaur-jumper/
https://hackaday.com/2026/07/19/pong-like-cabinet-for-classic-dinosaur-jumper/

2026-07-19 23:00:07 GMT

Hackaday Links: July 19, 2026
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We’ll start this week off by giving our congratulations to Skyroot Aerospace of India for successfully launching the country’s first privately developed orbital rocket yesterday. The company’s Vikram-1 booster stands https://hackaday.com/2026/07/19/hackaday-links-july-19-2026/
https://hackaday.com/2026/07/19/hackaday-links-july-19-2026/

2026-07-19 08:00:29 GMT

A Pop-Up Truck Camper for Less
https://hackaday.com/wp-content/uploads/2026/07/wide-Build-an-Expensive-Camper-WAY-Cheaper-0-35-00.jpg?w=800
We live in a veritable Cambrian Explosion of camping options, ranging from a tarp on the ground to multi-million dollar RVs. Somewhere around the middle is the pop-up truck camper, https://hackaday.com/2026/07/19/a-pop-up-truck-camper-for-less/
https://hackaday.com/2026/07/19/a-pop-up-truck-camper-for-less/

2026-07-18 23:00:22 GMT

Your AI Ham Radio Buddy
https://hackaday.com/wp-content/uploads/2026/07/hamgpt.png?w=800
AI chatbots are everywhere these days, and they seem to “know” about everything. But while that is a strength, it can sometimes be a weakness because it isn’t laser-focused on https://hackaday.com/2026/07/18/your-ai-ham-radio-buddy/
https://hackaday.com/2026/07/18/your-ai-ham-radio-buddy/

2026-07-18 17:00:31 GMT

ESP32-driven Roulette Wheel Could Have Used a 555, but That Didn’t have WiFi
https://hackaday.com/wp-content/uploads/2026/07/esp32-roulette.png?w=800
Sometimes you see a project and immediately, before going into the details, your mind throws up the old refrain: “coulda used a 555” — well, [Hulk] actually agrees when it https://hackaday.com/2026/07/18/esp32-driven-roulette-wheel-could-have-used-a-555-but-that-didnt-have-wifi/
https://hackaday.com/2026/07/18/esp32-driven-roulette-wheel-could-have-used-a-555-but-that-didnt-have-wifi/

2026-07-16 15:30:40 GMT

GOES-19 Goes Down, NOAA Investigating
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Some breaking news from geostationary orbit, as the National Oceanic and Atmospheric Administration (NOAA) has announced that its newest Geostationary Operational Environmental Satellite (GOES) satellite unexpectedly went offline last night, https://hackaday.com/2026/07/16/goes-19-goes-down-noaa-investigating/
https://hackaday.com/2026/07/16/goes-19-goes-down-noaa-investigating/

2026-07-14 14:00:58 GMT

UDP Broadcasting and the Joys of IPv4 Subnetting
https://hackaday.com/wp-content/uploads/2026/06/UDP.jpg?w=800
In the previous installment on UDP broadcasting and service discovery, the basics of both were explored, including an implementation in the form of NyanSD and its protocol. Contained in the https://hackaday.com/2026/07/14/udp-broadcasting-and-the-joys-of-ipv4-subnetting/
https://hackaday.com/2026/07/14/udp-broadcasting-and-the-joys-of-ipv4-subnetting/

2026-07-10 14:00:42 GMT

This Week in Security: Escaping Linux VMs, Vulnerable Solar, Confusing AI (Again), and Confusing NPM Malware
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The Januscape vulnerability allows a user in a guest VM managed by the Linux Kernel Virtual Machine (KVM) to corrupt memory in the host system and break out of isolation. https://hackaday.com/2026/07/10/this-week-in-security-escaping-linux-vms-vulnerable-solar-confusing-ai-again-and-confusing-npm-malware/
https://hackaday.com/2026/07/10/this-week-in-security-escaping-linux-vms-vulnerable-solar-confusing-ai-again-and-confusing-npm-malware/

2026-07-08 09:00:39 GMT

ESP32 Keeps Tabs on Your Local Airspace
https://hackaday.com/wp-content/uploads/2026/07/espradar_feat.gif?w=800
We know, we know. Despite being called ESP32-Plane-Radar, this project from [Mateusz Juszczyk] isn’t actually using radar. But thanks to the round LCD this desktop gadget does a fantastic job https://hackaday.com/2026/07/08/esp32-keeps-tabs-on-your-local-airspace/
https://hackaday.com/2026/07/08/esp32-keeps-tabs-on-your-local-airspace/

2026-07-07 15:30:46 GMT

SB Mini II is a Homebrew Apple II Clone
https://hackaday.com/wp-content/uploads/2026/07/sb-mini-ii-inside.DBeQM3Ou_Z12u12c.webp?w=800
On the one hand, the original Apple II has been copied over and over again since at least the early 80s, so maybe this hack is old hat to the https://hackaday.com/2026/07/07/sb-mini-ii-is-a-homebrew-apple-ii-clone/
https://hackaday.com/2026/07/07/sb-mini-ii-is-a-homebrew-apple-ii-clone/

2026-07-07 02:00:27 GMT

Performance Improvements For Open-Source 80386
https://hackaday.com/wp-content/uploads/2026/07/386-featured.jpg?w=800
The Intel 80386 is a rather fascinating slice of computer history. It marked the first 32 bit X86 processor, and was a staple of early desktop computing. Like all chips, https://hackaday.com/2026/07/06/performance-improvements-for-open-source-80386/
https://hackaday.com/2026/07/06/performance-improvements-for-open-source-80386/

2026-07-06 08:00:50 GMT

He Comes to Bury Segmented Memory, Not to Praise It
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[BillPg] has been designing a fantasy 1980s-era home computer. As part of the exercise, he’s reevaluating all the assumptions that have grown organically over time in the small computer landscape. https://hackaday.com/2026/07/06/he-comes-to-bury-segmented-memory-not-to-praise-it/
https://hackaday.com/2026/07/06/he-comes-to-bury-segmented-memory-not-to-praise-it/

2026-07-03 14:00:00 GMT

This Week in Security: Windows 10 Gets Another Year, SmartTV Botnets, Hiding Payloads, and LastPass Customer Leak
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Unsurprisingly to many of us, app stores for smart televisions are also trash. Perhaps even more full of trash than other app stores due to the smaller ecosystem and fewer https://hackaday.com/2026/07/03/this-week-in-security-windows-10-gets-another-year-smarttv-botnets-hiding-payloads-and-lastpass-customer-leak/
https://hackaday.com/2026/07/03/this-week-in-security-windows-10-gets-another-year-smarttv-botnets-hiding-payloads-and-lastpass-customer-leak/

2026-07-03 08:00:20 GMT

Modern E-Ink Dashboards, Kindle and Otherwise
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People have been attempting to turn Kindles into more than e-readers since the first devices came out nearly two decades ago. The e-ink displays are low-power and great for displaying https://hackaday.com/2026/07/03/modern-e-ink-dashboards-kindle-and-otherwise/
https://hackaday.com/2026/07/03/modern-e-ink-dashboards-kindle-and-otherwise/

2026-07-02 14:00:08 GMT

Know Your Food: Organic Production
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A few weeks ago we published the first in a new series of articles, Know Your Food. It was born out of the realisation that most people know surprisingly little about https://hackaday.com/2026/07/02/know-your-food-organic-production/
https://hackaday.com/2026/07/02/know-your-food-organic-production/

2026-06-29 14:00:47 GMT

The Teenage Angst of 3D Printing: Solidoodle, Printrbot, and Bridges
https://hackaday.com/wp-content/uploads/2026/06/EarlyPrinting.jpg?w=800
Bridges are a part of our constructed landscape that we take for granted. And bridges by themselves aren’t especially important. What is important is that bridges let you get from https://hackaday.com/2026/06/29/the-teenage-angst-of-3d-printing-solidoodle-printrbot-and-bridges/
https://hackaday.com/2026/06/29/the-teenage-angst-of-3d-printing-solidoodle-printrbot-and-bridges/

2026-06-29 08:00:55 GMT

It’s Linux, on a Sega Megadrive
https://hackaday.com/wp-content/uploads/2026/06/megadrive-linux-featured.jpg?w=800
If you were in the market for a games console in 1990, the chances are that the object of your desire was either a Super Nintendo with its 16-bit 6502 https://hackaday.com/2026/06/29/its-linux-on-a-sega-megadrive/
https://hackaday.com/2026/06/29/its-linux-on-a-sega-megadrive/

2026-06-29 02:00:09 GMT

Phone Stand Aims To Fight Addiction
https://hackaday.com/wp-content/uploads/2026/06/FCWDVQ2MQPMBKAG_14dc01.webp?w=800
Sometimes, it’s hard to stop picking up your phone every few minutes to check on notifications and scroll endlessly through the slop of the day. [PushpendraC2] has been working on https://hackaday.com/2026/06/28/scrap-printer-motor-becomes-generator/
https://hackaday.com/2026/06/28/scrap-printer-motor-becomes-generator/

2026-06-28 14:00:41 GMT

Accurate Split-Flap Display Can be 3D Printed
https://hackaday.com/wp-content/uploads/2026/06/split-flap-main.png?w=800
Split-flap displays are a great, low-power way to display text to a wide audience. Compared to other display technologies like LCDs they only use energy when the characters change, but https://hackaday.com/2026/06/28/accurate-split-flap-display-can-be-3d-printed/
https://hackaday.com/2026/06/28/accurate-split-flap-display-can-be-3d-printed/

2026-06-26 20:00:54 GMT

A Custom Zigbee Touch Keypad
https://hackaday.com/wp-content/uploads/2026/06/touch_matrix-v17_1a-1-e1782455637341.jpg?w=800
[Dominic Buchstaller] wanted a neat, tidy entryway keypad that actually looked good. Prime goals were something slim, wireless, and with no visible screws. Dependency on the cloud was also a https://hackaday.com/2026/06/26/a-custom-zigbee-touch-keypad/
https://hackaday.com/2026/06/26/a-custom-zigbee-touch-keypad/

2026-06-25 17:00:17 GMT

CSS On The ESP32
https://hackaday.com/wp-content/uploads/2026/06/A-3D-cube-running-natively-at-60-FPS-on-a-3-microcontroller.-Written-in-TypeScript-JSX-and-CSS.-0-10-screenshot.png?w=800
There are lots of graphics libraries available for the ESP32, and lots of ways to program one to boot. Even still, most of us wouldn’t immediately think to CSS when https://hackaday.com/2026/06/25/css-on-the-esp32/
https://hackaday.com/2026/06/25/css-on-the-esp32/

2026-06-25 14:00:49 GMT

Flying Cell Towers Are A Thing
https://hackaday.com/wp-content/uploads/2026/06/FlyingCell.jpg?w=800
Typically, when you’re sitting on a plane on the tarmac, you switch your phone to flight mode while you’re sitting through yet another “quirky” (boring) safety video. You’ll watch some https://hackaday.com/2026/06/25/flying-cell-towers-are-a-thing/
https://hackaday.com/2026/06/25/flying-cell-towers-are-a-thing/

2026-06-25 05:00:24 GMT

A More Convenient iButton Reader
https://hackaday.com/wp-content/uploads/2026/06/bb610f27-c1fa-428e-b534-e588ac9e7a74_md-xl.jpg?w=800
iButtons are microchips housed in small, round, metal containers, and are similar to coin cell batteries in appearance. Among other things, they’re used for logging data in industrial contexts, particularly https://hackaday.com/2026/06/24/a-more-convenient-ibutton-reader/
https://hackaday.com/2026/06/24/a-more-convenient-ibutton-reader/

2026-06-24 20:00:26 GMT

Laser Scanning A Cave With Homebrew Gear
https://hackaday.com/wp-content/uploads/2026/06/We-3D-Scanned-A-Cave-with-my-homemade-scanning-rig-8-57-screenshot.png?w=800
How do you measure the inside of a cave? You could do a bunch of hard work with classic surveying gear… or you could just use a laser scanner. [9nl] https://hackaday.com/2026/06/24/laser-scanning-a-cave-with-homebrew-gear/
https://hackaday.com/2026/06/24/laser-scanning-a-cave-with-homebrew-gear/

2026-06-22 15:30:00 GMT

Graphics Upgrade for Nintendo Entertainment System
https://hackaday.com/wp-content/uploads/2026/06/dual-ppu-main.jpg?w=800
Modern video game consoles rarely have expansion ports, but in the 80s and 90s it was practically guaranteed. With the speed that hardware was advancing it made sense to build https://hackaday.com/2026/06/22/graphics-upgrade-for-nintendo-entertainment-system/
https://hackaday.com/2026/06/22/graphics-upgrade-for-nintendo-entertainment-system/

2026-06-16 08:00:12 GMT

Bike-Powered Shredder Makes Short Work of 3D Printer Waste
https://hackaday.com/wp-content/uploads/2026/06/I-Built-a-Bike-Powered-Plastic-Shredder-7-31-screenshot.png?w=800
[Brogan M Pratt] and his students do a lot of 3D printing, and as such found themselves producing a lot of plastic waste. Seeing an opportunity, they built a bike-powered https://hackaday.com/2026/06/16/bike-powered-shredder-makes-short-work-of-3d-printer-waste/
https://hackaday.com/2026/06/16/bike-powered-shredder-makes-short-work-of-3d-printer-waste/

2026-06-16 02:00:36 GMT

This Alarm Clock Has The Capacity To Wake You
https://hackaday.com/wp-content/uploads/2026/06/capacitor-clock-featured.jpg?w=800
Every now and then a project comes into the Hackaday feed that has so many levels of wrong about it that you really shouldn’t do it at home, but is https://hackaday.com/2026/06/15/this-alarm-clock-has-the-capacity-to-wake-you/
https://hackaday.com/2026/06/15/this-alarm-clock-has-the-capacity-to-wake-you/

2026-06-15 14:00:32 GMT

Picking a CRC
https://hackaday.com/wp-content/uploads/2026/06/CRC.jpg?w=800
You send a file, but how do you know it arrived intact? In other words, how do you know that it didn’t get cut off, garbled, or changed somehow? Simplistically, https://hackaday.com/2026/06/15/picking-a-crc/
https://hackaday.com/2026/06/15/picking-a-crc/

2026-06-12 15:30:48 GMT

A Peek inside the Secret Lagercrantz Suitcase Radio
https://hackaday.com/wp-content/uploads/2026/06/suitcase.png?w=800
What counts as portable is somewhat a matter of opinion, especially over the years. [Helge Fykse] has a portable spy radio of Swedish origin. For its time, it was considered https://hackaday.com/2026/06/12/a-peek-inside-the-secret-lagercrantz-suitcase-radio/
https://hackaday.com/2026/06/12/a-peek-inside-the-secret-lagercrantz-suitcase-radio/

2026-06-12 14:00:18 GMT

This Week in Security: Microsoft on Microsoft, Register Your Domains, Linux on ARM, and FreeBSD Joins the File Cache Club
https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800
Supply chain attacks continue, with Microsoft’s own open source Azure repositories being automatically disabled by GitHub following a compromise of the packages by the Miasma worm. OpenSourceMalware reports that the https://hackaday.com/2026/06/12/this-week-in-security-microsoft-on-microsoft-register-your-domains-linux-on-arm-and-freebsd-joins-the-file-cache-club/
https://hackaday.com/2026/06/12/this-week-in-security-microsoft-on-microsoft-register-your-domains-linux-on-arm-and-freebsd-joins-the-file-cache-club/

2026-06-12 08:00:07 GMT

The Hackaday Communicator Badge, Re-Imagined With New Firmware
Our recently concluded event in Europe saw the return of the Hackaday Communicator badge — a stylish handheld gadget with a QWERTY keyboard, a LoRa radio, and an ESP32. It https://hackaday.com/2026/06/12/the-hackaday-communicator-badge-re-imagined-with-new-firmware/
https://hackaday.com/2026/06/12/the-hackaday-communicator-badge-re-imagined-with-new-firmware/

2026-06-12 05:00:00 GMT

Amiga 1232 Storm CD Packs Every Upgrade into One Wedge
https://hackaday.com/wp-content/uploads/2026/06/A1200-CD32-Ultimate-feat.jpg?w=800
You know what they used to say– once you go Commodore, you’ll never leave by any door. Well, they might not have said that, but given the prevalence of projects https://hackaday.com/2026/06/11/amiga-1232-storm-cd-packs-every-upgrade-into-one-wedge/
https://hackaday.com/2026/06/11/amiga-1232-storm-cd-packs-every-upgrade-into-one-wedge/

2026-06-08 14:00:48 GMT

Revisiting Using AI Coding Assistants: You’re Holding It Wrong Edition
https://hackaday.com/wp-content/uploads/2021/08/GithubCopilot.jpg?w=800
After scathing accusations of skimping on due diligence, as well as other feedback to my article on trying to use an ‘AI coding assistant’ for the first time, the only https://hackaday.com/2026/06/08/revisiting-using-ai-coding-assistants-youre-holding-it-wrong-edition/
https://hackaday.com/2026/06/08/revisiting-using-ai-coding-assistants-youre-holding-it-wrong-edition/

2026-06-07 05:00:09 GMT

A RayCast FPS in COBOL
https://hackaday.com/wp-content/uploads/2026/06/cobol-shooter.jpg?w=800
COBOL is not the first language anyone would ever think of when writing a First Person Shooter– after all , it’s the Common Business Oriented Language, not the Common Game https://hackaday.com/2026/06/06/a-raycast-fps-in-cobol/
https://hackaday.com/2026/06/06/a-raycast-fps-in-cobol/

2026-06-03 05:00:26 GMT

Turning an Old 3D Printer Into a Vinyl Cutter for Cheap
https://hackaday.com/wp-content/uploads/2026/05/3d_printer_vinyl_cutter_cocoanix_3D_printing_youtube.jpg?w=800
Replacing a 3D printer’s extruder with a cutting blade seems like an easy way to do things like vinyl cutting, but you cannot just put on any blade and expect https://hackaday.com/2026/06/02/turning-an-old-3d-printer-into-a-vinyl-cutter-for-cheap/
https://hackaday.com/2026/06/02/turning-an-old-3d-printer-into-a-vinyl-cutter-for-cheap/

2026-05-17 14:00:49 GMT

Qualcomm’s New QCC74x Appears to Target the ESP32 MCUs
https://hackaday.com/wp-content/uploads/2026/05/EVK-QCC748M-2-01-0-AA_web640x640_thumb.jpg?w=800
These days wireless microcontrollers featuring built-in WiFi and Bluetooth are all the rage, with Espressif’s range of ESP32 MCUs being the default option for commercial and hobbyist projects alike. This https://hackaday.com/2026/05/17/qualcomms-new-qcc74x-appears-to-target-the-esp32-mcus/
https://hackaday.com/2026/05/17/qualcomms-new-qcc74x-appears-to-target-the-esp32-mcus/

2026-05-07 08:00:49 GMT

This Az-El Mount Is Worth Following
https://hackaday.com/wp-content/uploads/2026/04/az-el-featured.jpg?w=800
Communication with satellites often involves the use of high-gain directional antennas coupled with careful positioning to find and track the target. With a geostationary satellite the mount is either fixed https://hackaday.com/2026/05/07/this-az-el-mount-is-worth-following/
https://hackaday.com/2026/05/07/this-az-el-mount-is-worth-following/

2026-04-27 15:30:10 GMT

Register Renaming
https://hackaday.com/wp-content/uploads/2026/04/rat.png?w=800
[Shreeyash] asks an interesting question: how many registers does your CPU have? The answer is probably more than you think. The reason? Modern CPUs — at least many of them https://hackaday.com/2026/04/27/register-renaming/
https://hackaday.com/2026/04/27/register-renaming/

2026-03-24 08:00:17 GMT

Disposable Vape Becomes Breath-Activated Synth
https://hackaday.com/wp-content/uploads/2026/03/I-Turned-a-Disposable-Vape-Into-a-Synth-10-46-screenshot.png?w=800
Makers and hardware hackers have been collecting disposable vapes for some time now, usually to salvage their batteries or the unique displays many models now come with. But you can https://hackaday.com/2026/03/24/disposable-vape-becomes-breath-activated-synth/
https://hackaday.com/2026/03/24/disposable-vape-becomes-breath-activated-synth/

2026-03-21 20:00:44 GMT

ESP32: When Is A P4 A P4, But Not The P4 You Thought It Was
https://hackaday.com/wp-content/uploads/2023/01/ESp32-P4-featured.jpg?w=800
We’re used to electronic parts of the same type staying predictably the same, sometimes over many years. An early Z80 from the mid 1970s can be exchanged with one from https://hackaday.com/2026/03/21/esp32-when-is-a-p4-a-p4-but-not-the-p4-you-thought-it-was/
https://hackaday.com/2026/03/21/esp32-when-is-a-p4-a-p4-but-not-the-p4-you-thought-it-was/

2026-03-14 02:00:32 GMT

Ford, Take Note: Classic Pickup Becomes the EV We Want
https://hackaday.com/wp-content/uploads/2026/03/ScottenMotors-feat.webp?w=800
Ford does sell an electric pickup, but not very many of them. We can’t say for sure, but it’s possible that if the F150 Lightning had the classic cool of https://hackaday.com/2026/03/13/ford-take-note-classic-pickup-becomes-the-ev-we-want/
https://hackaday.com/2026/03/13/ford-take-note-classic-pickup-becomes-the-ev-we-want/

2026-03-13 23:00:04 GMT

Making a Bladeless Tesla Turbine Generator in Lego
https://hackaday.com/wp-content/uploads/2026/03/bladeless_tesla_turbine_lego_jamies_brick_jams_youtube.jpg?w=800
The Tesla turbine is a bladeless centripetal-flow turbine invented by Nikola Tesla in 1913, using the boundary-layer effect rather than having a stream of gases or a fluid impinge on https://hackaday.com/2026/03/13/making-a-bladeless-tesla-turbine-generator-in-lego/
https://hackaday.com/2026/03/13/making-a-bladeless-tesla-turbine-generator-in-lego/

2026-03-13 17:15:41 GMT

Hackaday Podcast Episode 361: Hackaday Podcast Mailbag, A Phone is Not a Computer, 3D Printing History is New Again
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2016/05/microphone.jpg?w=800" alt=""/>Join Hackaday Editors Elliot Williams and Tom Nardi as they cover their favorite hacks and stories from the week. The episode kicks off with some updates about Hackaday Europe and https://hackaday.com/2026/03/13/hackaday-podcast-episode-361-hackaday-podcast-mailbag-a-phone-is-not-a-computer-3d-printing-history-is-new-again/
https://hackaday.com/2026/03/13/hackaday-podcast-episode-361-hackaday-podcast-mailbag-a-phone-is-not-a-computer-3d-printing-history-is-new-again/

2026-03-13 15:30:34 GMT

Running a PC off AA Cells With Buck Converters Really Boosts Performance
<img width="800" height="388" src="https://hackaday.com/wp-content/uploads/2026/03/aa_battery_powered_pc_second_try_scuffedbits_youtube.jpg?w=800" alt=""/>After the previous attempt of running a PC off AA cells got a lot of comments, [ScuffedBits] decided to do the scientifically responsible thing and re-ran the experiment with all https://hackaday.com/2026/03/13/running-a-pc-off-aa-cells-with-buck-converters-really-boosts-performance/
https://hackaday.com/2026/03/13/running-a-pc-off-aa-cells-with-buck-converters-really-boosts-performance/

2026-03-13 14:00:18 GMT

This Week in Security: Plenty of Patches, Replacing Old Gear, and Phrack Calls for Papers
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2016/01/darkarts.jpg?w=800" alt=""/>When Friday the Thirteenth and Patch Tuesday happen on the same week, we’re surely in for a good time. Anyone who maintains any sort of Microsoft ecosystem knows by now https://hackaday.com/2026/03/13/this-week-in-security-plenty-of-patches-replacing-old-gear-and-phrack-calls-for-papers/
https://hackaday.com/2026/03/13/this-week-in-security-plenty-of-patches-replacing-old-gear-and-phrack-calls-for-papers/

2026-03-13 11:00:23 GMT

OS/2 Never Went Away. Its Successor Has Received An Update
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/arcaos-featured.jpg?w=800" alt=""/>ArcaOS is an operating system you might not have heard of, but you will recognize it when we tell you that it’s the direct descendant of IBM’s OS/2. It’s just https://hackaday.com/2026/03/13/os-2-never-went-away-its-successor-has-received-an-update/
https://hackaday.com/2026/03/13/os-2-never-went-away-its-successor-has-received-an-update/

2026-03-13 08:00:59 GMT

Perfecting the Shape-Changing Fruit Bowl
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/fruitbowl-feat.jpg?w=800" alt=""/>Fruit bowls have an unavoidable annoyance– not flies and rotten fruit, those would be avoidable if your diet was better. No, it’s that the bowl is never the right size. https://hackaday.com/2026/03/13/perfecting-the-shape-changing-fruit-bowl/
https://hackaday.com/2026/03/13/perfecting-the-shape-changing-fruit-bowl/

2026-03-13 05:00:47 GMT

Nintendo’s Family BASIC Keyboard Gets USB Upgrade
<img width="625" height="625" src="https://hackaday.com/wp-content/uploads/2026/03/in_briefcase_b9cad1-e1773290650803.jpg?w=625" alt=""/>America knew it as the Nintendo Entertainment System, but in Japan, it was the Family Computer (Famicom). It was more than just a home console—it was intended to actually do https://hackaday.com/2026/03/12/nintendos-family-basic-keyboard-gets-usb-upgrade/
https://hackaday.com/2026/03/12/nintendos-family-basic-keyboard-gets-usb-upgrade/

2026-03-13 02:00:17 GMT

Replicating a Nuclear Event Detector For Fun and Probably Not Profit
<img width="800" height="451" src="https://hackaday.com/wp-content/uploads/2026/03/BHG-2000_and_HSN-1000-e1773337993176.png?w=800" alt=""/>Last year, we brought you a story about the BhangmeterV2, an internet-of-things nuclear war monitor. With a cold-war-era HSN-1000 nuclear event detector at its heart, it had one job: announce https://hackaday.com/2026/03/12/replicating-a-nuclear-event-detector-for-fun-and-probably-not-profit/
https://hackaday.com/2026/03/12/replicating-a-nuclear-event-detector-for-fun-and-probably-not-profit/

2026-03-12 20:00:27 GMT

Mapping The Sound Field Of An Acoustic Levitator
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/I-Built-a-CT-Scanner-to-See-Sound-8-42-screenshot.png?w=800" alt=""/>Sound! It’s a thing you hear, moreso than something you see with your eyes. And yet, it is possible to visualize sound with various techniques. [PlasmatronX] demonstrates this well, using https://hackaday.com/2026/03/12/mapping-the-sound-field-of-an-acoustic-levitator/
https://hackaday.com/2026/03/12/mapping-the-sound-field-of-an-acoustic-levitator/

2026-03-12 18:30:01 GMT

How Would a Field Sequential Home Computer Have Worked?
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/field-sequential-cbs.jpg?w=800" alt=""/>The early history of colour TV had several false starts, of which perhaps one of the most interesting might-have-beens was the CBS field-sequential system. This was a rival to the https://hackaday.com/2026/03/12/how-would-a-field-sequential-home-computer-have-worked/
https://hackaday.com/2026/03/12/how-would-a-field-sequential-home-computer-have-worked/

2026-03-12 15:30:50 GMT

Controlling Vintage Mac OS With AI
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/claude-logo-outta.jpg?w=800" alt=""/>Classic Mac OS was prized for its clean, accessible GUI when it first hit the scene in the 1980s. Back then, developers hadn’t even conceived of all the weird gewgaws https://hackaday.com/2026/03/12/controlling-vintage-mac-os-with-ai/
https://hackaday.com/2026/03/12/controlling-vintage-mac-os-with-ai/

2026-03-12 11:00:06 GMT

Selective Ironing Adds Designs To 3D Prints
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/Using-Ironing-to-Add-Graphics-to-3D-Prints-3-34-screenshot-banner.png?w=800" alt=""/>While working on a project that involved super-thin prints, [Julius Curt] came up with selective ironing, a way to put designs on the top surface of a print without adding https://hackaday.com/2026/03/12/selective-ironing-adds-designs-to-3d-prints/
https://hackaday.com/2026/03/12/selective-ironing-adds-designs-to-3d-prints/

2026-03-12 08:00:14 GMT

Open Source Radar Has Up To 20 KM Range
<img width="800" height="449" src="https://hackaday.com/wp-content/uploads/2026/03/5106001773010796560_7fb03f-e1773288507424.jpg?w=800" alt=""/>Phased-array radars are great for all sorts of things, whether you’re doing advanced radio research or piloting a fifth-generation combat aircraft. They’re also typically very expensive. [Nawfal] hopes to make https://hackaday.com/2026/03/12/open-source-radar-has-up-to-20-km-range/
https://hackaday.com/2026/03/12/open-source-radar-has-up-to-20-km-range/

2026-03-12 05:00:11 GMT

A Radio Power Amplifier for Not a Lot
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/qrp-pa-featured.jpg?w=800" alt=""/>When building a radio transmitter, unless it’s a very small one indeed, there’s a need for an amplifier before the antenna. This is usually referred to as the power amplifier, https://hackaday.com/2026/03/11/a-radio-power-amplifier-for-not-a-lot/
https://hackaday.com/2026/03/11/a-radio-power-amplifier-for-not-a-lot/

2026-03-12 02:00:48 GMT

Hands on with Creality’s new M1 Filament Maker
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/crealityM1extruder.jpg?w=800" alt=""/>Ever since 3D printing has become a popular tool, the question of waste has been looming in the background. The sad reality of rapid prototyping is that you’re going to https://hackaday.com/2026/03/11/hands-on-with-crealitys-new-m1-filament-maker/
https://hackaday.com/2026/03/11/hands-on-with-crealitys-new-m1-filament-maker/

2026-03-11 23:00:13 GMT

Printing an Underwater Diving Helmet With Floating Air Supply
<img width="800" height="507" src="https://hackaday.com/wp-content/uploads/2026/03/dive_helmet_running_hyperspace_pirate_youtube.jpg?w=800" alt=""/>Old-school diving helmets are deceivingly simple, even if they are – as [Hyperspace Pirate] puts it in a recent video – essentially the equivalent of an upside-down bucket with an https://hackaday.com/2026/03/11/printing-an-underwater-diving-helmet-with-floating-air-supply/
https://hackaday.com/2026/03/11/printing-an-underwater-diving-helmet-with-floating-air-supply/

2026-03-11 20:00:18 GMT

3D Printing a Harmonic Pin-Ring Gearing Drive
<img width="800" height="315" src="https://hackaday.com/wp-content/uploads/2026/03/input-output-2-x2048.jpg?w=800" alt=""/>Cycloidal drives are a type of speed reducer that are significantly more compact than gearboxes, but they still come with a fair number of components. In comparison, the harmonic pin-ring https://hackaday.com/2026/03/11/3d-printing-a-harmonic-pin-ring-gearing-drive/
https://hackaday.com/2026/03/11/3d-printing-a-harmonic-pin-ring-gearing-drive/

2026-03-11 18:30:23 GMT

Are We Finally At The Point Where Phones Can Replace Computers?
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/dex-pc-feat.png?w=800" alt=""/>There was an ideal of convergence, a long time ago, when one device would be all you need, digitally speaking. [ETA Prime] on YouTube seems to think we’ve reached that https://hackaday.com/2026/03/11/are-we-finally-at-the-point-where-phones-can-replace-computers/
https://hackaday.com/2026/03/11/are-we-finally-at-the-point-where-phones-can-replace-computers/

2026-03-11 16:30:01 GMT

A Rotary Dial The 3D Printed Way
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/3dp-dial-featured.jpg?w=800" alt=""/>There’s a meme which may have a basis in truth, of a teenager left clueless when presented with a rotary telephone. The dial, in reality a mechanical pulse chain generator, https://hackaday.com/2026/03/11/a-rotary-dial-the-3d-printed-way/
https://hackaday.com/2026/03/11/a-rotary-dial-the-3d-printed-way/

2026-03-11 15:31:02 GMT

German Fireball’s 15 Minutes of Fame
<img width="800" height="464" src="https://hackaday.com/wp-content/uploads/2019/08/Micrometeorites.jpg?w=800" alt=""/>Sunday night, around 7:00 PM local time, a bright fireball streaked across the western German sky, exploded, and rained chunks of space rock down on the region around Koblenz. One https://hackaday.com/2026/03/11/german-fireballs-15-minutes-of-fame/
https://hackaday.com/2026/03/11/german-fireballs-15-minutes-of-fame/

2026-03-11 11:00:08 GMT

Mini Multi-Arcade Game Cabinets with an ESP32 and Galagino
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/galagino_cabinets_survivalhacking_github.jpg?w=800" alt=""/>Most people love arcade games, but putting a full-sized arcade cabinet in the living room can lead to certain unpleasant complications. Ergo the market for fun-sized cabinets has exploded alongside https://hackaday.com/2026/03/11/mini-multi-arcade-game-cabinets-with-an-esp32-and-galagino/
https://hackaday.com/2026/03/11/mini-multi-arcade-game-cabinets-with-an-esp32-and-galagino/

2026-03-11 08:00:38 GMT

Calculator Case to Scratch-Built Pocket E-Reader
<img width="786" height="442" src="https://hackaday.com/wp-content/uploads/2026/03/base-bottom-16-9.png?w=786" alt="Mimisbrunnur"/>E-readers are an awesome creation allowing you to display digital information in a way that requires little battery life. While there’s plenty of very impressive models to chose from on https://hackaday.com/2026/03/11/calculator-case-to-scratch-built-pocket-e-reader/
https://hackaday.com/2026/03/11/calculator-case-to-scratch-built-pocket-e-reader/

2026-03-11 02:00:32 GMT

It’s 1979 – What Exactly Did That ∫ Key Do?
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/hp34C2-Brett-Maraldo-banner.png?w=800" alt=""/>[Michel Jean] asked a question few others might: what exactly is going on under the hood of a classic HP scientific calculator when one presses the ∫ key? A numerical https://hackaday.com/2026/03/10/its-1979-what-exactly-did-that-%e2%88%ab-key-do/
https://hackaday.com/2026/03/10/its-1979-what-exactly-did-that-%e2%88%ab-key-do/

2026-03-10 23:00:29 GMT

Clear Resin Casting Replicates Old Acrylic for Selectric Repair
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/selectric-cast-feat.jpg?w=800" alt=""/>IBM Selectric typewriters have a lot of unique parts that can be tricky to source, but one we didn’t think of was the clear acrylic(?) dust covers, that are apparently https://hackaday.com/2026/03/10/clear-resin-casting-replicates-old-acrylic-for-selectric-repair/
https://hackaday.com/2026/03/10/clear-resin-casting-replicates-old-acrylic-for-selectric-repair/

2026-03-10 17:00:56 GMT

Blood Tests Could Provide Early Warning of Alzheimers Disease
<img width="800" height="412" src="https://hackaday.com/wp-content/uploads/2015/04/biomedical.jpg?w=800" alt=""/>Alzheimer’s disease remains a frustratingly difficult condition to manage for the millions of patients affected worldwide and their families. The cause of the disease is still not properly understood, and https://hackaday.com/2026/03/10/blood-tests-could-provide-early-warning-of-alzheimers-disease/
https://hackaday.com/2026/03/10/blood-tests-could-provide-early-warning-of-alzheimers-disease/

2026-03-10 15:30:21 GMT

Power Control for a Busy Workbench
<img width="800" height="450" src="https://hackaday.com/wp-content/uploads/2026/03/power-strip-featured.jpg?w=800" alt=""/>Who among us does not have a plethora of mains-powered devices on their workbench, and a consequent mess of power strips to run them all? [Jeroen Brinkman] made his more https://hackaday.com/2026/03/10/power-control-for-a-busy-workbench/
https://hackaday.com/2026/03/10/power-control-for-a-busy-workbench/

2026-03-10 14:00:15 GMT

The “Tin Blimp” Was a Neither Tin Nor a Blimp: The Detroit ZMC-2 Story
<img width="800" height="484" src="https://hackaday.com/wp-content/uploads/2026/03/TinBlimp.jpg?w=800" alt=""/>After all the crashing and burning of Imperial Germany’s Zeppelins in the later part of WWI – once the Brits managed to build interceptors that could hit their lofty altitude, https://hackaday.com/2026/03/10/the-tin-blimp-was-a-neither-tin-nor-a-blimp-the-detroit-zmc-2-story/
https://hackaday.com/2026/03/10/the-tin-blimp-was-a-neither-tin-nor-a-blimp-the-detroit-zmc-2-story/

2026-03-10 11:00:22 GMT

Arduino’s New AI-Centric Board is the VENTUNO Q
<img width="800" height="429" src="https://hackaday.com/wp-content/uploads/2026/03/arduino_ventuno_q_header.jpg?w=800" alt=""/>There have been many questions about what direction Arduino would take after being bought by Qualcomm. Now it would seem that we’re getting a clearer picture. Perhaps unsurprisingly the answer https://hackaday.com/2026/03/10/arduinos-new-ai-centric-board-is-the-ventuno-q/
https://hackaday.com/2026/03/10/arduinos-new-ai-centric-board-is-the-ventuno-q/

2026-03-10 05:00:00 GMT

Diagnosing a Mysterious Fault with a Commodore 1541 Disk Drive
<img width="800" height="522" src="https://hackaday.com/wp-content/uploads/2026/03/commodore_1541_fdd_fault_theretrochannel_youtube.jpg?w=800" alt=""/>Recently [TheRetroChannel] came across an interesting failure mode on a Commodore 1541 5.25″ floppy disk drive, in the form of the activity LED blinking just once after power-up with the https://hackaday.com/2026/03/09/diagnosing-a-mysterious-fault-with-a-commodore-1541-disk-drive/
https://hackaday.com/2026/03/09/diagnosing-a-mysterious-fault-with-a-commodore-1541-disk-drive/