Nostr notes by Hackaday (RSS Feed)

SLAM Navigation For an Arduino Powered Car ...

2026-10-28T08:00:33Z

SLAM Navigation For an Arduino Powered Car

There are plenty of “robot” projects out there that are really just a small remote control platform of some sort. We often like to think of robots of having some https://hackaday.com/2026/10/28/slam-navigation-for-an-arduino-powered-car/

https://hackaday.com/2026/10/28/slam-navigation-for-an-arduino-powered-car/

Hacking a Marine Radio Dish ...

2026-10-28T05:00:31Z

Hacking a Marine Radio Dish

Having watched some fun videos on repurposed satellite dishes on YouTube, [Melan] wanted to get in on the action. She managed to source herself an Intellian i4, a dish built https://hackaday.com/2026/10/27/hacking-a-marine-radio-dish/

https://hackaday.com/2026/10/27/hacking-a-marine-radio-dish/

Airborne Particle Monitoring, the BIG way ...

2026-10-28T02:00:01Z

Airborne Particle Monitoring, the BIG way

Airborne micro particles can be a significant health hazard in a workshop, and thus it’s important to maintain a high standard of ventilation. But monitoring their concentration is also important, https://hackaday.com/2026/10/27/airborne-particle-monitoring-the-big-way/

https://hackaday.com/2026/10/27/airborne-particle-monitoring-the-big-way/

How a Single University Project Started Everything ...

2026-10-27T23:00:07Z

How a Single University Project Started Everything

If we care to cast an eye over the history of ubiquitous personal computing as we know it today, we might immediately point at the original IBM PC. After all, https://hackaday.com/2026/10/27/how-a-single-university-project-started-everything/

https://hackaday.com/2026/10/27/how-a-single-university-project-started-everything/

2026 Retrocomputing Challenge: Explore Space with a Credit Card ...

2026-10-27T20:00:33Z

2026 Retrocomputing Challenge: Explore Space with a Credit Card Reader

The humble credit card reader — most of us have used hundreds, perhaps even thousands of them over the years. But even for folks like us, it’s not the sort https://hackaday.com/2026/10/27/2026-retrocomputing-challenge-explore-space-with-a-credit-card-reader/

https://hackaday.com/2026/10/27/2026-retrocomputing-challenge-explore-space-with-a-credit-card-reader/

How Bad Is That Bridge: A Government Database ...

2026-10-27T14:40:49Z

How Bad Is That Bridge: A Government Database

Bridges! We kind of expect them to just be there and do their job, ad infinitum. They are built into the landscape, and we often take them and the routes https://hackaday.com/2026/10/27/how-bad-is-that-bridge-a-government-database/

https://hackaday.com/2026/10/27/how-bad-is-that-bridge-a-government-database/

ESP32 Rotary Display Makes Ideal Timer ...

2026-10-27T08:00:35Z

ESP32 Rotary Display Makes Ideal Timer

We’re big fans of pushing hardware into situations it wasn’t designed for here at Hackaday, but sometimes you’ve got to appreciate a nicely designed gadget doing more or less exactly https://hackaday.com/2026/10/27/esp32-rotary-display-makes-ideal-timer/

https://hackaday.com/2026/10/27/esp32-rotary-display-makes-ideal-timer/

The Oldest Windows App To Still Run On WIndows 11 ...

2026-10-27T05:00:21Z

The Oldest Windows App To Still Run On WIndows 11

In the open source world we are used to software being compiled from source for our particular distro, so while in a few cases an ancient release may still be https://hackaday.com/2026/10/26/the-oldest-windows-app-to-still-run-on-windows-11/

https://hackaday.com/2026/10/26/the-oldest-windows-app-to-still-run-on-windows-11/

In Praise Of A Legendary Power Transistor ...

2026-10-27T02:00:15Z

In Praise Of A Legendary Power Transistor

There are some devices which achieve electronic immortality, it’s likely that you have used a few of them yourself. The 555 timer of course, or the 741 op-amp. [ElectronicsNotes] is https://hackaday.com/2026/10/26/in-praise-of-a-legendary-power-transistor/

https://hackaday.com/2026/10/26/in-praise-of-a-legendary-power-transistor/

Enable Resizable BAR on Unsupported Motherboards ...

2026-10-26T23:00:42Z

Enable Resizable BAR on Unsupported Motherboards

Recently [Rod Burlamaqui] released the arc-rebar project on GitHub, enabling Intel GPUs to work significantly more efficiently if the system’s mainboard does not support resizable BAR. It does require a https://hackaday.com/2026/10/26/enable-resizable-bar-on-unsupported-motherboards/

https://hackaday.com/2026/10/26/enable-resizable-bar-on-unsupported-motherboards/

Practice Japanese on an Inkplate 4Tempera eInk Device ...

2026-10-26T20:00:01Z

Practice Japanese on an Inkplate 4Tempera eInk Device

Learning a new natural language can be a daunting proposition at the best of times, with repetition and immersion generally considered to be the best ways to build up not https://hackaday.com/2026/10/26/practice-japanese-on-an-inkplate-4tempera-eink-device/

https://hackaday.com/2026/10/26/practice-japanese-on-an-inkplate-4tempera-eink-device/

Arduino Engine Runs Many Games ...

2026-10-26T17:30:33Z

Arduino Engine Runs Many Games

A few years ago, [Smashcat] ported a ZX Spectrum game called Manic Miner to the Arduino Uno. The Arduino has less memory than the original Spectrum did, so doing all this https://hackaday.com/2026/10/26/arduino-engine-runs-many-games/

https://hackaday.com/2026/10/26/arduino-engine-runs-many-games/

BMW i3 Mod Brings Small Trucks to the EV Future ...

2026-10-26T15:30:42Z

BMW i3 Mod Brings Small Trucks to the EV Future

Trucks are handy, especially if you’ve got messy or dirty loads, but there aren’t a lot of options if you want a small electric pickup yet. [Michael Pick] decided to https://hackaday.com/2026/10/26/bmw-i3-mod-brings-small-trucks-to-the-ev-future/

https://hackaday.com/2026/10/26/bmw-i3-mod-brings-small-trucks-to-the-ev-future/

Hiding Virtualization From Other Software ...

2026-10-26T11:00:56Z

Hiding Virtualization From Other Software

The Kernel-based Virtual Machine (KVM) allows Linux systems to function as hypervisors without needing any extra software, but VMs created with it don’t behave exactly like real hardware does. Sometimes https://hackaday.com/2026/10/26/hiding-virtualization-from-other-software/

https://hackaday.com/2026/10/26/hiding-virtualization-from-other-software/

Hairy Armor For Combat Robot? It’s Not Terrible! ...

2026-10-26T08:00:59Z

Hairy Armor For Combat Robot? It’s Not Terrible!

[Angus] of Maker’s Muse enjoys combat robotics, in which contenders zip about in an arena, attempting to disable one another with weapons that lift, spin, and smash. He got a https://hackaday.com/2026/10/26/hairy-armor-for-combat-robot-its-not-terrible/

https://hackaday.com/2026/10/26/hairy-armor-for-combat-robot-its-not-terrible/

Building a Swashplate-less Helicoper Rotor ...

2026-10-26T05:00:22Z

Building a Swashplate-less Helicoper Rotor

A helicopter blade uses a swash plate and a set of linkages to change the angle of the blades. Not only does it vary the collective pitch to increase or https://hackaday.com/2026/10/25/building-a-swashplate-less-helicoper-rotor/

https://hackaday.com/2026/10/25/building-a-swashplate-less-helicoper-rotor/

Transforming a Tungsten Ditelluride Monolayer into a Transistor ...

2026-10-26T02:00:52Z

Transforming a Tungsten Ditelluride Monolayer into a Transistor

In the world of silicon semiconductors, the process of creating transistors and similar structures involves various rounds of modifications and additions in order to create the requisite functional layers. A https://hackaday.com/2026/10/25/transforming-a-tungsten-ditelluride-monolayer-into-a-transistor/

https://hackaday.com/2026/10/25/transforming-a-tungsten-ditelluride-monolayer-into-a-transistor/

Hackaday Links: October 25, 2026 ...

2026-10-25T23:00:48Z

Hackaday Links: October 25, 2026

Some disappointing, but perhaps not entirely unsurprising news this week out of Denmark — after announcing last year that they would transition away from Microsoft’s proprietary software, the realities of https://hackaday.com/2026/10/25/hackaday-links-october-25-2026/

https://hackaday.com/2026/10/25/hackaday-links-october-25-2026/

A 3D Printed Marble Clock, but it’s Scrolling Text ...

2026-10-25T20:00:33Z

A 3D Printed Marble Clock, but it’s Scrolling Text

With the topic of marble clocks having been quite well explored at this point, it raises the question of how easy it would be to take the basic principle and https://hackaday.com/2026/10/25/a-3d-printed-marble-clock-but-its-scrolling-text/

https://hackaday.com/2026/10/25/a-3d-printed-marble-clock-but-its-scrolling-text/

Mesh Network Telephony Over Bluetooth on Android Phones ...

2026-10-25T17:00:31Z

Mesh Network Telephony Over Bluetooth on Android Phones

Telephony is a bit of a mixed bag. On the one hand, being able to talk to people in far off places is kind of neat, at least in theory. https://hackaday.com/2026/10/25/mesh-network-telephony-over-bluetooth-on-android-phones/

https://hackaday.com/2026/10/25/mesh-network-telephony-over-bluetooth-on-android-phones/

Simple, Reliable RF Remote Control ...

2026-10-25T14:00:48Z

Simple, Reliable RF Remote Control

Some of the first remote controls available to consumers used sound, visible light, or even just wires to communicate with their parent device. It was many years between these first https://hackaday.com/2026/10/25/simple-reliable-rf-remote-control/

https://hackaday.com/2026/10/25/simple-reliable-rf-remote-control/

Meshtastic Pet Tracking ...

2026-10-25T11:00:07Z

Meshtastic Pet Tracking

Most commercial pet trackers require a subscription or network connection to function. [Jon G Aguado] wanted a better way and designed LIA, a Meshtastic collar tracker. LIA uses a custom https://hackaday.com/2026/10/25/meshtastic-pet-tracking/

https://hackaday.com/2026/10/25/meshtastic-pet-tracking/

An Analog TV Station For Anyone ...

2026-10-25T08:00:24Z

An Analog TV Station For Anyone

If you’re a collector of older TVs, you’re probably facing the problem in some form of having no transmissions to tune in to. With many sets you can use a https://hackaday.com/2026/10/25/an-analog-tv-station-for-anyone/

https://hackaday.com/2026/10/25/an-analog-tv-station-for-anyone/

Pushing Bluetooth out to 12 Kilometers ...

2026-10-25T05:00:51Z

Pushing Bluetooth out to 12 Kilometers

Bluetooth is a short-range protocol that’s great for peripherals and finding your keys, but it’s limited range is mainly a product of how it’s usually implemented. A recent video from https://hackaday.com/2026/10/24/pushing-bluetooth-out-to-12-kilometers/

https://hackaday.com/2026/10/24/pushing-bluetooth-out-to-12-kilometers/

Remembering the Weirdest Nintendo DSi Accessory ...

2026-10-25T02:00:01Z

Remembering the Weirdest Nintendo DSi Accessory

The Nintendo DSi was released in November 2008, and boasted a new feature not formerly seen on the brand’s handhelds—it had two cameras, inside and outside. It let the console https://hackaday.com/2026/10/24/remembering-the-weirdest-nintendo-dsi-accessory/

https://hackaday.com/2026/10/24/remembering-the-weirdest-nintendo-dsi-accessory/

The Slurptop is Both Drool Worthy and Practical ...

2026-10-24T23:00:51Z

The Slurptop is Both Drool Worthy and Practical

There are two kinds of cyberdeck: the kind someone makes on a lark and operates purely on ‘rule of cool’, and the kind designed to do practical work. The Slurptop https://hackaday.com/2026/10/24/the-slurptop-is-both-drool-worthy-and-practical/

https://hackaday.com/2026/10/24/the-slurptop-is-both-drool-worthy-and-practical/

2026 Retrocomputing Challenge: I Would Do Anything For Serial ...

2026-10-24T20:00:14Z

2026 Retrocomputing Challenge: I Would Do Anything For Serial Data

These days we take high-speed networking for granted, but it can be difficult to get vintage computers talking to modern machines. To help solve this problem [jaime] came up with https://hackaday.com/2026/10/24/2026-retrocomputing-challenge-i-would-do-anything-for-serial-data/

https://hackaday.com/2026/10/24/2026-retrocomputing-challenge-i-would-do-anything-for-serial-data/

That Weird 7-Pin S-Video Port on Old Laptops ...

2026-10-24T17:00:21Z

That Weird 7-Pin S-Video Port on Old Laptops

Even though laptops from around the early 2000s came with just about every conceivable port on them, they still would often feature a somewhat unusual combined video output port. While https://hackaday.com/2026/10/24/that-weird-7-pin-s-video-port-on-old-laptops/

https://hackaday.com/2026/10/24/that-weird-7-pin-s-video-port-on-old-laptops/

Making for Others ...

2026-10-24T14:00:23Z

Making for Others

One of the nicest things about the Hackaday community, and the open-source hardware community at large, is the incredible generosity of one hacker to another. But it’s not purely altruism https://hackaday.com/2026/10/24/making-for-others/

https://hackaday.com/2026/10/24/making-for-others/

Watch VCF Southwest in Retrotastic SGI-Edited Footage ...

2026-10-24T11:00:56Z

Watch VCF Southwest in Retrotastic SGI-Edited Footage

There’s just something about backing way, way off the cutting edge to rediscover the simpler joys of yesteryear. We’ve got a contest about to wrap up along those lines, and https://hackaday.com/2026/10/24/watch-vcf-southwest-in-retrotastic-sgi-edited-footage/

https://hackaday.com/2026/10/24/watch-vcf-southwest-in-retrotastic-sgi-edited-footage/

A Walkie Talkie Interface For Claude ...

2026-10-24T08:00:14Z

A Walkie Talkie Interface For Claude

[Bookmari] had a problem — working as a delivery driver, they wanted to work on various projects with Claude Code while out and about. Unfortunately, it simply wasn’t practical to https://hackaday.com/2026/10/24/a-walkie-talkie-interface-for-claude/

https://hackaday.com/2026/10/24/a-walkie-talkie-interface-for-claude/

Using an Unmodded GBA as a Music Synth ...

2026-10-24T05:00:56Z

Using an Unmodded GBA as a Music Synth

The style and sound of older video games is unique enough that they’re still copied in relatively modern games like Undertale, Celeste, or Shovel Knight. There’s also a vibrant chiptune community making music https://hackaday.com/2026/10/23/using-an-unmodded-gba-as-a-music-synth/

https://hackaday.com/2026/10/23/using-an-unmodded-gba-as-a-music-synth/

RepRapMicron Uses Fibre Optics To Print Tiny Benchy in Resin ...

2026-10-24T02:00:14Z

RepRapMicron Uses Fibre Optics To Print Tiny Benchy in Resin

The RepRapMicron (also µRepRap) is pretty much the microscopic take on what RepRap did for more macroscale manufacturing, with the most recent innovation being a UV print head, called the https://hackaday.com/2026/10/23/reprapmicron-uses-fibre-optics-to-print-tiny-benchy-in-resin/

https://hackaday.com/2026/10/23/reprapmicron-uses-fibre-optics-to-print-tiny-benchy-in-resin/

Automatic Coil Winder Takes the Tedium out of Actuators ...

2026-10-23T23:00:07Z

Automatic Coil Winder Takes the Tedium out of Actuators

Anyone who’s ever built their own motors knows how tedious winding the coils soon becomes; in [Larry]’s case, the issue was even worse. He’s building his own flip-dot matrix display, https://hackaday.com/2026/10/23/automatic-coil-winder-takes-the-tedium-out-of-actuators/

https://hackaday.com/2026/10/23/automatic-coil-winder-takes-the-tedium-out-of-actuators/

Reconstructing the Ancient Chinese Storm of Crows Weapon ...

2026-10-23T20:00:09Z

Reconstructing the Ancient Chinese Storm of Crows Weapon

The Chinese had been using large crossbows – akin to Greek and Roman ballistae – for warfare for many of the same reasons that European armies loved them. Their single, https://hackaday.com/2026/10/23/reconstructing-the-ancient-chinese-storm-of-crows-weapon/

https://hackaday.com/2026/10/23/reconstructing-the-ancient-chinese-storm-of-crows-weapon/

Running a Philips CD-i Off USB-C ...

2026-10-23T18:30:09Z

Running a Philips CD-i Off USB-C

The Philips CD-i is a console with many shortcomings, and those include the power supply. For whatever reason, the engineering team decided it should use an 8P8C connector just like https://hackaday.com/2026/10/23/running-a-philips-cd-i-off-usb-c/

https://hackaday.com/2026/10/23/running-a-philips-cd-i-off-usb-c/

Hackaday Podcast Episode 392: Microscopes, Drones, and Other DIY ...

2026-10-23T16:00:55Z

Hackaday Podcast Episode 392: Microscopes, Drones, and Other DIY Things

Hackaday Editors Elliot Williams and Al Williams met to review the week in Hackaday. Turns out, it was a week for tiny things, cybersecurity, nostalgia, and projects that would have https://hackaday.com/2026/10/23/hackaday-podcast-episode-392-microscopes-drones-and-other-diy-things/

https://hackaday.com/2026/10/23/hackaday-podcast-episode-392-microscopes-drones-and-other-diy-things/

The MSX Gets A New Sound Expansion Cartridge ...

2026-10-23T15:30:41Z

The MSX Gets A New Sound Expansion Cartridge

If we’re honest, there aren’t a whole lot of accessories coming out for the MSX computer line this holiday period. There is, however, a new sound expansion cartridge for the https://hackaday.com/2026/10/23/the-msx-gets-a-new-sound-expansion-cartridge/

https://hackaday.com/2026/10/23/the-msx-gets-a-new-sound-expansion-cartridge/

This Week in Security: Record Patch Tuesday, PHP’s Bad Time, ...

2026-10-23T14:00:49Z

This Week in Security: Record Patch Tuesday, PHP’s Bad Time, The Oldest Vuln, AI Armies, and More

It’s no longer a proper month without Microsoft breaking its own record for security fixes, and October’s Patch Tuesday was no exception. Brian Krebs brings the roundup: more than 1,400 https://hackaday.com/2026/10/23/this-week-in-security-record-patch-tuesday-phps-bad-time-the-oldest-vuln-ai-armies-and-more/

https://hackaday.com/2026/10/23/this-week-in-security-record-patch-tuesday-phps-bad-time-the-oldest-vuln-ai-armies-and-more/

When You Can’t Pick Between Electric and Jet Power, This Buggy ...

2026-10-23T11:00:10Z

When You Can’t Pick Between Electric and Jet Power, This Buggy Has You Covered

Technically, what [Macona] built with a surplus Solar T-62 turbine is not a dune buggy, but a sand rail, but it does have the delightfully rare combination of electric and https://hackaday.com/2026/10/23/when-you-cant-pick-between-electric-and-jet-power-this-buggy-has-you-covered/

https://hackaday.com/2026/10/23/when-you-cant-pick-between-electric-and-jet-power-this-buggy-has-you-covered/

DOOM Ported to a $30 Clamp Meter ...

2026-10-23T08:00:17Z

DOOM Ported to a $30 Clamp Meter

DOOM. Boil it, mash it, stick it in a stew, it’s the game that runs on anything and everything. Now, the classic shooter is running on a rather unlikely target—a https://hackaday.com/2026/10/23/doom-ported-to-a-30-clamp-meter/

https://hackaday.com/2026/10/23/doom-ported-to-a-30-clamp-meter/

Restoring a Soviet ES-4001 Mainframe Control Panel ...

2026-10-23T05:00:00Z

Restoring a Soviet ES-4001 Mainframe Control Panel

Recently the [Chornobyl Family] got their hands on an ES-4001 control panel for a 1970s-era Soviet mainframe, with the intention to restore it to full working order. Not just because https://hackaday.com/2026/10/22/restoring-a-soviet-es-4001-mainframe-control-panel/

https://hackaday.com/2026/10/22/restoring-a-soviet-es-4001-mainframe-control-panel/

NASA Batteries Survive Extreme Cold and Heat ...

2026-10-23T02:00:05Z

NASA Batteries Survive Extreme Cold and Heat

One of the major limits of mass-produced batteries is the electrolyte. From lead-acid to lithium ion, there’s some temperature where the electrolyte will freeze and cause all sorts of problems, https://hackaday.com/2026/10/22/nasa-batteries-survive-extreme-cold-and-heat/

https://hackaday.com/2026/10/22/nasa-batteries-survive-extreme-cold-and-heat/

Car’s Camera Footage Backed up to NAS ...

2026-10-22T23:00:13Z

Car’s Camera Footage Backed up to NAS

For as many sensors, cameras, and computers as there are on modern cars, they ought to be a dream to poke around in and customize to one’s liking. Unfortunately they’re https://hackaday.com/2026/10/22/cars-camera-footage-backed-up-to-nas/

https://hackaday.com/2026/10/22/cars-camera-footage-backed-up-to-nas/

An Open Source Linear Capacitive Encoder ...

2026-10-22T20:00:48Z

An Open Source Linear Capacitive Encoder

If you’ve ever pulled apart a set of digital calipers, you’ve probably marvelled at the capacitive encoder that does all the measuring work. There’s nothing stopping you from using the https://hackaday.com/2026/10/22/an-open-source-linear-capacitive-encoder/

https://hackaday.com/2026/10/22/an-open-source-linear-capacitive-encoder/

Keeping Old Wi-Fi Radios Alive With Stream Conversion ...

2026-10-22T18:30:40Z

Keeping Old Wi-Fi Radios Alive With Stream Conversion

There are plenty of Wi-Fi radios out there that were built over the last two decades or so. However, many older models are now becoming less useful because many internet https://hackaday.com/2026/10/22/keeping-old-wi-fi-radios-alive-with-stream-conversion/

https://hackaday.com/2026/10/22/keeping-old-wi-fi-radios-alive-with-stream-conversion/

KiCad… In The Browser? ...

2026-10-22T15:30:27Z

KiCad… In The Browser?

KiCad is a useful tool for designing printed circuit boards, but it’s of no use to you if you can’t install it on the computer you’re on. To get around https://hackaday.com/2026/10/22/kicad-in-the-browser/

https://hackaday.com/2026/10/22/kicad-in-the-browser/

Japan Launches Mission to Study Martian Moon ...

2026-10-22T14:00:40Z

Japan Launches Mission to Study Martian Moon

Humanity has been sending robotic explorers to Mars since the 1970s, and for our efforts we’ve been rewarded with not only incredible imagery of the Red Planet’s magnificent desolation, but https://hackaday.com/2026/10/22/japan-launches-mission-to-study-martian-moon/

https://hackaday.com/2026/10/22/japan-launches-mission-to-study-martian-moon/

Floating-Point Addition and Subtraction on Intel’s 8087 ...

2026-10-22T11:00:30Z

Floating-Point Addition and Subtraction on Intel’s 8087

Although you can do basic floating point format operations like addition and subtraction just fine on any CPU, having specialized hardware for it can provide a significant speed boost. Here https://hackaday.com/2026/10/22/floating-point-addition-and-subtraction-on-intels-8087/

https://hackaday.com/2026/10/22/floating-point-addition-and-subtraction-on-intels-8087/

Trying to Get Linux Running on a Nokia E6 ...

2026-10-22T08:00:17Z

Trying to Get Linux Running on a Nokia E6

The Nokia E6 is a smartphone from back in the old days when Symbian was a thing. [fluffleswaffled] has been doing the work to get the ancient handset running Linux https://hackaday.com/2026/10/22/trying-to-get-linux-running-on-a-nokia-e6/

https://hackaday.com/2026/10/22/trying-to-get-linux-running-on-a-nokia-e6/

Reading QR Codes by Hand ...

2026-10-22T05:00:35Z

Reading QR Codes by Hand

QR codes can be a handy way to send a link or contact details without all that tedious mucking about with typing in a link, but they aren’t very useful https://hackaday.com/2026/10/21/reading-qr-codes-by-hand/

https://hackaday.com/2026/10/21/reading-qr-codes-by-hand/

Making a Five-Segment Display with Platinum-Titanium Cathodes ...

2026-10-22T02:00:41Z

Making a Five-Segment Display with Platinum-Titanium Cathodes

Before the advent of effective semiconductor LEDs many display types existed to display things like numbers and other characters. The Nixie tube is a well-known one, along with VFDs and https://hackaday.com/2026/10/21/making-a-five-segment-display-with-platinum-titanium-cathodes/

https://hackaday.com/2026/10/21/making-a-five-segment-display-with-platinum-titanium-cathodes/

Every Type of Current Sensor Explained ...

2026-10-21T23:00:21Z

Every Type of Current Sensor Explained

Measuring electric currents is an essential element of many electrical systems, but doing so in a way that is as nonintrusive as possible is not an easy problem to solve. https://hackaday.com/2026/10/21/every-type-of-current-sensor-explained/

https://hackaday.com/2026/10/21/every-type-of-current-sensor-explained/

Sega Genesis Controllers on the Philips CD-i ...

2026-10-21T20:00:14Z

Sega Genesis Controllers on the Philips CD-i

The Philips CD-i was not popular upon its launch in 1991, and is barely acknowledged today. In the opinion of [MattKC], it had a particularly poor selection of controllers, too, https://hackaday.com/2026/10/21/sega-genesis-controllers-on-the-philips-cd-i/

https://hackaday.com/2026/10/21/sega-genesis-controllers-on-the-philips-cd-i/

Knitting Yarn and Filament with FilaLoom ...

2026-10-21T18:30:39Z

Knitting Yarn and Filament with FilaLoom

We don’t generally think of 3D printing and knitting in the same sentence. One uses threads and fine motor control, while the other requires great knowledge of pressing buttons and https://hackaday.com/2026/10/21/knitting-yarn-and-filament-with-filaloom/

https://hackaday.com/2026/10/21/knitting-yarn-and-filament-with-filaloom/

Building a Simple Internet Radio ...

2026-10-21T15:30:35Z

Building a Simple Internet Radio

Broadcast radio isn’t as popular as it once was, its popularity suffering in turn due to technologies like MP3 players and music streaming services. If you don’t fancy either of https://hackaday.com/2026/10/21/building-a-simple-internet-radio/

https://hackaday.com/2026/10/21/building-a-simple-internet-radio/

The Age of Altair ...

2026-10-21T14:00:53Z

The Age of Altair

I recently got the Amazon Christmas toy book in the mail, and it is definitely the modern version of the Sears Christmas Wish Book for last century’s youth. Or at https://hackaday.com/2026/10/21/the-age-of-altair/

https://hackaday.com/2026/10/21/the-age-of-altair/

Clotty The Custom Period Tracker Can, Of Course, Run DOOM ...

2026-10-21T11:00:19Z

Clotty The Custom Period Tracker Can, Of Course, Run DOOM

[kati]’s Clotty might run DOOM and game-ify the menstrual tracking process with a playful Tamagotchi-like aspect, but don’t let that distract you. It is, at its heart, a personal menstrual https://hackaday.com/2026/10/21/clotty-the-custom-period-tracker-can-of-course-run-doom/

https://hackaday.com/2026/10/21/clotty-the-custom-period-tracker-can-of-course-run-doom/

A Stereo Vision Board For Hardware Hackers ...

2026-10-21T08:00:50Z

A Stereo Vision Board For Hardware Hackers

It’s plenty easy to do lots of vision tasks with a single camera, but using two cameras gives you lots of magical abilities, like depth perception! If you’d like to https://hackaday.com/2026/10/21/a-stereo-vision-board-for-hardware-hackers/

https://hackaday.com/2026/10/21/a-stereo-vision-board-for-hardware-hackers/

5 GHz Drone Video, With An ESP32 ...

2026-10-21T05:00:05Z

5 GHz Drone Video, With An ESP32

With the ESP32 series of microcontrollers having had hidden software-defined radio (SDR) facility revealed, we’re now moving on from the announcement into projects making use of the finding. [Twotoz] has https://hackaday.com/2026/10/20/5-ghz-drone-video-with-an-esp32/

https://hackaday.com/2026/10/20/5-ghz-drone-video-with-an-esp32/

Using Ultrasound and Microbubbles to Make Tiny Devices ...

2026-10-21T02:00:33Z

Using Ultrasound and Microbubbles to Make Tiny Devices

Although we generally do not look at bubbles in fluids as more than a curiosity – if not an outright annoyance – in certain contexts they can be very useful. https://hackaday.com/2026/10/20/using-ultrasound-and-microbubbles-to-make-tiny-devices/

https://hackaday.com/2026/10/20/using-ultrasound-and-microbubbles-to-make-tiny-devices/

Lazarus and the Free Pascal Compiler Gain Dynamic Package Support ...

2026-10-20T23:00:18Z

Lazarus and the Free Pascal Compiler Gain Dynamic Package Support

If you have developed in Pascal or Delphi in the past decades, you’re probably familiar with the Lazarus IDE that provides an interface to the Free Pascal Compiler (FPC), much https://hackaday.com/2026/10/20/lazarus-and-the-free-pascal-compiler-gain-dynamic-package-support/

https://hackaday.com/2026/10/20/lazarus-and-the-free-pascal-compiler-gain-dynamic-package-support/

Going Whole-Hog on a First Satellite Ground Station ...

2026-10-20T20:00:21Z

Going Whole-Hog on a First Satellite Ground Station

When most radio enthusiasts start trying to pick up signals from satellites, they might put together a quick-and-dirty Yagi antenna and try to catch a repeater as is passes overhead, https://hackaday.com/2026/10/20/going-whole-hog-on-a-first-satellite-ground-station/

https://hackaday.com/2026/10/20/going-whole-hog-on-a-first-satellite-ground-station/

NASA’s Lunar Grounding Challenge is a Real Buzz ...

2026-10-20T18:30:27Z

NASA’s Lunar Grounding Challenge is a Real Buzz

One could make a joke about how an astronaut walking on the lunar surface is rather akin to a cat walking on the carpet in the living room, but out https://hackaday.com/2026/10/20/nasas-lunar-grounding-challenge-is-a-real-buzz/

https://hackaday.com/2026/10/20/nasas-lunar-grounding-challenge-is-a-real-buzz/

Spreading Life to Bleached Coral ...

2026-10-20T15:30:22Z

Spreading Life to Bleached Coral

Coral bleaching is a major problem for ocean ecosystems as the ocean gets warmer. Researchers at Stanford have found a new method for regenerating bleached corals. Scientists working on coral https://hackaday.com/2026/10/20/spreading-life-to-bleached-coral/

https://hackaday.com/2026/10/20/spreading-life-to-bleached-coral/

Super Mario Galaxy Now Runs on the GBA ...

2026-10-20T11:00:31Z

Super Mario Galaxy Now Runs on the GBA

Joining the ranks of fresh backported Nintendo games is Super Mario Galaxy for the Nintendo Game Boy Advance (GBA), courtesy of [Tobias Friedly], AKA [Tobi]. In a recent video he announces https://hackaday.com/2026/10/20/super-mario-galaxy-now-runs-on-the-gba/

https://hackaday.com/2026/10/20/super-mario-galaxy-now-runs-on-the-gba/

Visualize Regular Expressions with Marbles ...

2026-10-20T08:00:52Z

Visualize Regular Expressions with Marbles

If you are one of those people who visualize things physically better than in the abstract, then Regex Marble Run by [bottomless] might be for you. You enter a test https://hackaday.com/2026/10/20/visualize-regular-expressions-with-marbles/

https://hackaday.com/2026/10/20/visualize-regular-expressions-with-marbles/

Birduino Plays Bird Calls on Demand with NFC-enabled Cards ...

2026-10-20T05:00:25Z

Birduino Plays Bird Calls on Demand with NFC-enabled Cards

All [Hannah Robertson]’s Birduino needs is for one to tap an NFC-enabled card to the reader, and the device plays one of the vocalizations associated with the bird shown on https://hackaday.com/2026/10/19/birduino-plays-bird-calls-on-demand-with-nfc-enabled-cards/

https://hackaday.com/2026/10/19/birduino-plays-bird-calls-on-demand-with-nfc-enabled-cards/

Making Photovoltaic Solar Cells with a Microwave Although solar ...

2026-10-20T02:00:38Z

Making Photovoltaic Solar Cells with a Microwave

Although solar panels may seem like a kind of magic, they’re really quite simple devices, in their silicon form featuring nothing but the p-type silicon wafer and an n-type layer https://hackaday.com/2026/10/19/making-photovoltaic-solar-cells-with-a-microwave/

https://hackaday.com/2026/10/19/making-photovoltaic-solar-cells-with-a-microwave/

An RV on a Bike ...

2026-10-19T23:00:30Z

An RV on a Bike

Bicycles are the ultimate form of transportation freedom. They’re easy to repair, parts are cheap, and they will travel almost anywhere for free, as long as the rider has enough https://hackaday.com/2026/10/19/an-rv-on-a-bike/

https://hackaday.com/2026/10/19/an-rv-on-a-bike/

Meshtastic Sniffer for DragonOS ...

2026-10-19T20:00:07Z

Meshtastic Sniffer for DragonOS

Meshtastic has gained a lot of popularity over the last few years thanks to its low barrier of entry. No licenses are needed and the hardware is dirt cheap, at https://hackaday.com/2026/10/19/meshtastic-sniffer-for-dragonos/

https://hackaday.com/2026/10/19/meshtastic-sniffer-for-dragonos/

An Open Micro-Maniplulator Improved ...

2026-10-19T18:00:25Z

An Open Micro-Maniplulator Improved

If you need a micro-manipulator, you probably already have a good idea of what it does. For example, you might be moving a probe over an IC die or wafer. https://hackaday.com/2026/10/19/an-open-micro-maniplulator-improved/

https://hackaday.com/2026/10/19/an-open-micro-maniplulator-improved/

One-stop Tool Shows Apple Intelligence The Door ...

2026-10-19T15:30:11Z

One-stop Tool Shows Apple Intelligence The Door

Don’t want AI features on your Mac? Tough luck, unless one wants to imperfectly do it by hunting down settings in about a dozen different places. Even then, the multi-gigabyte https://hackaday.com/2026/10/19/one-stop-tool-shows-apple-intelligence-the-door/

https://hackaday.com/2026/10/19/one-stop-tool-shows-apple-intelligence-the-door/

Charlotte’s New Runway Gets A Digital Twin ...

2026-10-19T14:00:47Z

Charlotte’s New Runway Gets A Digital Twin

The first viable powered aircraft predated the first proper runway by two decades. While it’s entirely possible to launch some planes from austere dirt or grass strips, the aviation world https://hackaday.com/2026/10/19/charlottes-new-runway-gets-a-digital-twin/

https://hackaday.com/2026/10/19/charlottes-new-runway-gets-a-digital-twin/

An LCR Meter with Compromises ...

2026-10-19T11:00:12Z

An LCR Meter with Compromises

YouTube, like the Internet, has its plusses and minuses. On the plus side, you can find information on just about anything. On the minus side, you don’t always know if https://hackaday.com/2026/10/19/an-lcr-meter-with-compromises/

https://hackaday.com/2026/10/19/an-lcr-meter-with-compromises/

Driving On the Moon at a Blistering 11.6 MPH ...

2026-10-19T08:00:17Z

Driving On the Moon at a Blistering 11.6 MPH

As NASA continues humanity’s slow march back to the Moon, different pieces of the puzzle of establishing a more permanent base there are falling into place. One of these pieces https://hackaday.com/2026/10/19/driving-on-the-moon-at-a-blistering-11-6-mph/

https://hackaday.com/2026/10/19/driving-on-the-moon-at-a-blistering-11-6-mph/

Thunderbolt Strikes Windows98 ...

2026-10-19T05:00:51Z

Thunderbolt Strikes Windows98

If there’s one thing everyone hated about Windows 98, was the lack of USB4.0 support. We remember vividly the cries of anguish at the launch party when we found out https://hackaday.com/2026/10/18/thunderbolt-strikes-windows98/

https://hackaday.com/2026/10/18/thunderbolt-strikes-windows98/

Hackaday Links: October 17, 2026 ...

2026-10-19T02:00:12Z

Hackaday Links: October 17, 2026

While Hackaday doesn’t maintain a crime blotter, we couldn’t help but start this week’s post off with a bit of civil disobedience — a retired professor from the University of https://hackaday.com/2026/10/18/hackaday-links-october-17-2026/

https://hackaday.com/2026/10/18/hackaday-links-october-17-2026/

The New Phobos Martian Moon Rover that Weighs in at Only 15 Grams ...

2026-10-18T20:00:33Z

The New Phobos Martian Moon Rover that Weighs in at Only 15 Grams

Although for many decades the planet Mars has been prodded, poked, driven upon, flown over and especially orbited by various spacecraft, landers and rovers sent over by a certain humanoid https://hackaday.com/2026/10/18/the-new-phobos-martian-moon-rover-that-weighs-in-at-only-15-grams/

https://hackaday.com/2026/10/18/the-new-phobos-martian-moon-rover-that-weighs-in-at-only-15-grams/

Building a Microscope with a 3D View ...

2026-10-18T17:00:41Z

Building a Microscope with a 3D View

As electronic components grow ever smaller, a microscope has become an increasingly indispensable tool for any fine work; when inspecting electronics, though, especially solder joints, [Corebb] found a top-down view https://hackaday.com/2026/10/18/building-a-microscope-with-a-3d-view/

https://hackaday.com/2026/10/18/building-a-microscope-with-a-3d-view/

A Plasma Donut ...

2026-10-18T14:00:33Z

A Plasma Donut

We know [The Action Lab] always has something hands-on. This time, the video shows a toroidal plasma demo and how it relates to nuclear fusion. Plasma has a high temperature, https://hackaday.com/2026/10/18/a-plasma-donut/

https://hackaday.com/2026/10/18/a-plasma-donut/

Evolving RC circuits ...

2026-10-18T11:00:33Z

Evolving RC circuits

We are surrounded by evolving algorithms and AI models, and it feels like we have to evolve to them as well. Of course, the world itself is always evolving, and https://hackaday.com/2026/10/18/evolving-rc-circuits/

https://hackaday.com/2026/10/18/evolving-rc-circuits/

Turning a Wi-Fi Adapter into an SDR ...

2026-10-18T08:00:22Z

Turning a Wi-Fi Adapter into an SDR

Since the discovery of an undocumented I/Q sampling feature in ESP32 chips about two weeks ago, there’s been a flood of similar features being found in other wireless chips, including https://hackaday.com/2026/10/18/turning-a-wi-fi-adapter-into-an-sdr/

https://hackaday.com/2026/10/18/turning-a-wi-fi-adapter-into-an-sdr/

Making a New Mechanism for a Reciprocating Pencil Sharpener ...

2026-10-18T05:00:14Z

Making a New Mechanism for a Reciprocating Pencil Sharpener

An engineer’s greatest tool is the writing utensil. Be it pen or pencil, we use them for everything from making diagrams to marking out cuts. But as with any practitioner https://hackaday.com/2026/10/17/making-a-new-mechanism-for-a-reciprocating-pencil-sharpener/

https://hackaday.com/2026/10/17/making-a-new-mechanism-for-a-reciprocating-pencil-sharpener/

Busting the Myth that Plastics are Chemically Inert in Water ...

2026-10-18T02:00:45Z

Busting the Myth that Plastics are Chemically Inert in Water

One of the often made claims about plastics is that they are chemically inert under most conditions, such as when exposed to water. This long-held belief has also challenged the https://hackaday.com/2026/10/17/busting-the-myth-that-plastics-are-chemically-inert-in-water/

https://hackaday.com/2026/10/17/busting-the-myth-that-plastics-are-chemically-inert-in-water/

2026 Retrocomputing Challenge: Dollhouse Arcade Cabinet Runs ...

2026-10-17T23:00:24Z

2026 Retrocomputing Challenge: Dollhouse Arcade Cabinet Runs Remote DOS Games

Classic DOS games never ran from within stand-up arcade cabinets in dollhouses, but [Juha Lilja] imagines a world in which they did. His Micro DOS arcade cabinet is described as https://hackaday.com/2026/10/17/2026-retrocomputing-challenge-dollhouse-arcade-cabinet-runs-remote-dos-games/

https://hackaday.com/2026/10/17/2026-retrocomputing-challenge-dollhouse-arcade-cabinet-runs-remote-dos-games/

Building a Flying Drone With a Single Propeller ...

2026-10-17T20:00:11Z

Building a Flying Drone With a Single Propeller

Technically all that you need in order to make a drone fly is a single motor and single propeller, but realistically it becomes basically impossible to fly it at that https://hackaday.com/2026/10/17/building-a-flying-drone-with-a-single-propeller/

https://hackaday.com/2026/10/17/building-a-flying-drone-with-a-single-propeller/

2026 Retrocomputing Challenge: Oldputer Gives Old Eyes Relief ...

2026-10-17T17:00:52Z

2026 Retrocomputing Challenge: Oldputer Gives Old Eyes Relief with E-ink Display

Modern computers are towers of glass and metal with very few large deviations from one to another. Monitor A will go against B, except you can’t tell them apart unless https://hackaday.com/2026/10/17/2026-retrocomputing-challenge-oldputer-gives-old-eyes-relief-with-e-ink-display/

https://hackaday.com/2026/10/17/2026-retrocomputing-challenge-oldputer-gives-old-eyes-relief-with-e-ink-display/

Discovering SDRs Everywhere ...

2026-10-17T14:00:24Z

Discovering SDRs Everywhere

To quote commenter [douyarou], “It’s like our little version of a Precambrian explosion”. A bunch of hackers have discovered, independently and building on each other’s work, software-defined radio (SDR) capabilities https://hackaday.com/2026/10/17/discovering-sdrs-everywhere/

https://hackaday.com/2026/10/17/discovering-sdrs-everywhere/

SolidCraft is Parametric, Automation-friendly CAD for Desktop and ...

2026-10-17T11:00:51Z

SolidCraft is Parametric, Automation-friendly CAD for Desktop and Browser

If you’re looking to try a new, open source 3D modeling CAD suite, especially one with automation-friendly interfaces, take a look at SolidCraft. It’s under development but there’s support for https://hackaday.com/2026/10/17/solidcraft-is-parametric-automation-friendly-cad-for-desktop-and-browser/

https://hackaday.com/2026/10/17/solidcraft-is-parametric-automation-friendly-cad-for-desktop-and-browser/

Making One Fender From Another ...

2026-10-17T08:00:21Z

Making One Fender From Another

There’s a tendency among cherished brands to licence their name and logo onto all sorts of novelty items in order to make a quick buck. Joining this trend is the https://hackaday.com/2026/10/17/making-one-fender-from-another/

https://hackaday.com/2026/10/17/making-one-fender-from-another/

TAKTO, Open Source Hand-Tracking Built Like LEGO ...

2026-10-17T05:00:12Z

TAKTO, Open Source Hand-Tracking Built Like LEGO

Hand tracking in VR/AR can add a substantial amount of immersion and added interactivity. Unfortunately, most camera based tracking suffers when fingers get covered, intertwined, or simply out of view https://hackaday.com/2026/10/16/takto-open-source-hand-tracking-built-like-lego/

https://hackaday.com/2026/10/16/takto-open-source-hand-tracking-built-like-lego/

The Trials And Tribulations Of Your First Badge ...

2026-10-17T02:00:25Z

The Trials And Tribulations Of Your First Badge

On the face of it, making an event badge should be an easy process. After all, most of us can hand-assemble a microcontroller, some buttons, a battery, and a screen. https://hackaday.com/2026/10/16/the-trials-and-tribulations-of-your-first-badge/

https://hackaday.com/2026/10/16/the-trials-and-tribulations-of-your-first-badge/

Simplifying Slide Rule Calculations with Trig ...

2026-10-16T23:00:06Z

Simplifying Slide Rule Calculations with Trig

[Bob the Science Guy] remembers how to use a slide rule. Even after all these years, it is pretty easy to remember how to multiply and divide. If you can’t https://hackaday.com/2026/10/16/simplifying-slide-rule-calculations-with-trig/

https://hackaday.com/2026/10/16/simplifying-slide-rule-calculations-with-trig/

The 10€ Gamepad ...

2026-10-16T20:00:17Z

The 10€ Gamepad

We aren’t sure what [Lazy_Duck] is doing with video games, but it must require a lot of controllers. Dismayed at the cost and complexity of commercial gamepads, they started soldering https://hackaday.com/2026/10/16/the-10e-gamepad/

https://hackaday.com/2026/10/16/the-10e-gamepad/

Fairbuds 2 Teardown Shows Little Glue, Easy Battery Swap ...

2026-10-16T18:30:12Z

Fairbuds 2 Teardown Shows Little Glue, Easy Battery Swap

In a world where wireless earbuds are increasingly seen as devices that you toss into the e-waste bin as soon as they stop working, it’s heartening to see companies take https://hackaday.com/2026/10/16/fairbuds-2-teardown-shows-little-glue-easy-battery-swap/

https://hackaday.com/2026/10/16/fairbuds-2-teardown-shows-little-glue-easy-battery-swap/

Hackaday Podcast Episode 391: Tuned in to ESP32 SDR, New Old ...

2026-10-16T16:00:36Z

Hackaday Podcast Episode 391: Tuned in to ESP32 SDR, New Old Pagers, and Bugs on Mars

Hackaday Editors Elliot Williams and Tom Nardi start this episode off with a discussion about Philadelphia’s budding hacker conference and the imminent retirement of the EZ80. After considering the parallels https://hackaday.com/2026/10/16/hackaday-podcast-episode-391-tuned-in-to-esp32-sdr-new-old-pagers-and-bugs-on-mars/

https://hackaday.com/2026/10/16/hackaday-podcast-episode-391-tuned-in-to-esp32-sdr-new-old-pagers-and-bugs-on-mars/

Braino! Takes the Cheap Yellow Display to School ...

2026-10-16T15:30:39Z

Braino! Takes the Cheap Yellow Display to School

These days, it’s common to give even very young children a mobile device loaded up with educational software that aims to improve everything from basic motor skills to reading and https://hackaday.com/2026/10/16/braino-takes-the-cheap-yellow-display-to-school/

https://hackaday.com/2026/10/16/braino-takes-the-cheap-yellow-display-to-school/

This Week in Security: Critical DNS Keys Rotated, Hacking ...

2026-10-16T14:00:42Z

This Week in Security: Critical DNS Keys Rotated, Hacking Freezers Isn’t Cool, OpenAI Spies On Itself, and Advanced Hardware Wallet Hacks

Critical Internet keys changed this week. Did you notice? The keys behind DNSSEC, the system for cryptographically validating DNS responses, rolled over on October 11 2026. This is the second https://hackaday.com/2026/10/16/this-week-in-security-critical-dns-keys-rotated-hacking-freezers-isnt-cool-openai-spies-on-itself-and-advanced-hardware-wallet-hacks/

https://hackaday.com/2026/10/16/this-week-in-security-critical-dns-keys-rotated-hacking-freezers-isnt-cool-openai-spies-on-itself-and-advanced-hardware-wallet-hacks/

Disposing of PLA and Why Composting is Not an Option ...

2026-10-16T11:00:21Z

Disposing of PLA and Why Composting is Not an Option

The ‘biofriendly’ nature of poly(lactic acid) (PLA) filament often gets touted as one of its main advantages over alternatives like PETG, but even a modicum of research ought to inform https://hackaday.com/2026/10/16/disposing-of-pla-and-why-composting-is-not-an-option/

https://hackaday.com/2026/10/16/disposing-of-pla-and-why-composting-is-not-an-option/