Dual-Arm Mobile Bot Built on IKEA Cart Costs Hundreds, Not Thousands
https://hackaday.com/2025/11/03/dual-arm-mobile-bot-built-on-ikea-cart-costs-hundreds-not-thousands/
https://hackaday.com/2025/11/03/dual-arm-mobile-bot-built-on-ikea-cart-costs-hundreds-not-thousands/
Hackaday
Dual-Arm Mobile Bot Built On IKEA Cart Costs Hundreds, Not Thousands
There are many incredible open-source robotic arm projects out there, but there’s a dearth of affordable, stable, and mobile robotic platforms with arms. That’s where XLeRobot comes in.…
Print-and-Clamp: Rubber Band PCB Stand Slides into Duty
https://hackaday.com/2025/11/03/print-and-clamp-rubber-band-pcb-stand-slides-into-duty/
https://hackaday.com/2025/11/03/print-and-clamp-rubber-band-pcb-stand-slides-into-duty/
Hackaday
Print-and-Clamp: Rubber Band PCB Stand Slides Into Duty
When it comes to soldering on a PCB it almost always helps to have some way to hold the board off your workbench, allowing leads to pass though with out making it unstable and keeping it level whil…
Regular Old Diodes Can Be More Photosensitive Than You Think
https://hackaday.com/2025/11/03/regular-old-diodes-can-be-more-photosensitive-than-you-think/
https://hackaday.com/2025/11/03/regular-old-diodes-can-be-more-photosensitive-than-you-think/
Hackaday
Regular Old Diodes Can Be More Photosensitive Than You Think
[Dhananjay Gadre] happened across a useful little trick the other day. Take any old 1N4148 or 1N914 glass-package signal diode and wire it up right, and you’ve got yourself a nifty little IR …
Reproduced and Recovered: the First Chinese Keyboard-based MingKwai Typewriter
https://hackaday.com/2025/11/03/reproduced-and-recovered-the-first-chinese-keyboard-based-mingkwai-typewriter/
https://hackaday.com/2025/11/03/reproduced-and-recovered-the-first-chinese-keyboard-based-mingkwai-typewriter/
Hackaday
Reproduced And Recovered: The First Chinese Keyboard-based MingKwai Typewriter
We all know what a typewriter looks like, and how this has been translated directly into the modern day computer keyboard, or at least many of us think we do. Many cultures do not use a writing sys…
Adding ISA Ports To Modern Motherboards
https://hackaday.com/2025/11/03/adding-isa-ports-to-modern-motherboards/
https://hackaday.com/2025/11/03/adding-isa-ports-to-modern-motherboards/
Hackaday
Adding ISA Ports To Modern Motherboards
Modern motherboards don’t come with ISA slots, and almost everybody is fine with that. If you really want one, though, there are ways to get one. [TheRasteri] explains how in a forum post on …
Making Audible Sense Of A Radiation Hunt
https://hackaday.com/2025/11/04/making-audible-sense-of-a-radiation-hunt/
https://hackaday.com/2025/11/04/making-audible-sense-of-a-radiation-hunt/
Hackaday
Making Audible Sense Of A Radiation Hunt
The clicking of a Geiger counter is well enough known as a signifier of radioactive materials, due to it providing the menacing sound effect any time a film or TV show deals with radiation. What we…
Lithium-Ion Batteries: WHY They Demand Respect
https://hackaday.com/2025/11/04/lithium-ion-batteries-why-they-demand-respect/
https://hackaday.com/2025/11/04/lithium-ion-batteries-why-they-demand-respect/
Hackaday
Lithium-Ion Batteries: WHY They Demand Respect
This summer, we saw the WHY (What Hackers Yearn) event happen in Netherlands, of course, with a badge to match. Many badges these days embrace the QWERTY computer aesthetic, which I’m persona…
Rocket Roll Control, The Old Fashioned Way
https://hackaday.com/2025/11/04/rocket-roll-control-the-old-fashioned-way/
https://hackaday.com/2025/11/04/rocket-roll-control-the-old-fashioned-way/
Hackaday
Rocket Roll Control, The Old Fashioned Way
The vast majority of model rockets go vaguely up and float vaguely downwards without a lot of control. However, [newaysfactory] built a few rockets that were altogether more precise in their flight…
Jenny’s Daily Drivers: ReactOS 0.4.15
https://hackaday.com/2025/11/04/jennys-daily-drivers-reactos-0-4-15/
https://hackaday.com/2025/11/04/jennys-daily-drivers-reactos-0-4-15/
Hackaday
Jenny’s Daily Drivers: ReactOS 0.4.15
When picking operating systems for a closer look here in the Daily Drivers series, the aim has not been to merely pick the next well-known Linux distro off the pile, but to try out the interesting,…
2025 Component Abuse Challenge: Weigh With A TL074
https://hackaday.com/2025/11/04/2025-component-abuse-challenge-weigh-with-a-tl074/
https://hackaday.com/2025/11/04/2025-component-abuse-challenge-weigh-with-a-tl074/
Hackaday
2025 Component Abuse Challenge: Weigh With A TL074
The late and lamented [Bob Pease] was one of a select band of engineers, each of whose authority in the field of analogue integrated circuit design was at the peak of the art. So when he remarks on…
Print in Place Pump Pushes Limits of Printing
https://hackaday.com/2025/11/04/print-in-place-pump-pushes-limits-of-printing/
https://hackaday.com/2025/11/04/print-in-place-pump-pushes-limits-of-printing/
Hackaday
Print In Place Pump Pushes Limits Of Printing
3D printing has taken off into the hands of almost anyone with a knack for wanting something quick and easy. No more messing around with machining or complex assembly. However, with the general han…
A Paintball Turret Controlled Via Xbox Controller
https://hackaday.com/2025/11/04/a-paintball-turret-controlled-via-xbox-controller/
https://hackaday.com/2025/11/04/a-paintball-turret-controlled-via-xbox-controller/
Hackaday
A Paintball Turret Controlled Via Xbox Controller
Video games, movies, and modern militaries are all full of robotic gun turrets that allow for remotely-controlled carnage. [Paul Junkin] decided to build his own, albeit in a less-destructive paint…
The Headache of Fake 74LS Logic Chips
https://hackaday.com/2025/11/04/the-headache-of-fake-74ls-logic-chips/
https://hackaday.com/2025/11/04/the-headache-of-fake-74ls-logic-chips/
Hackaday
The Headache Of Fake 74LS Logic Chips
When you go on your favorite cheap online shopping platform and order a batch of 74LS logic ICs, what do you get? Most likely relabeled 74HC ICs, if the results of an AliExpress order by [More Fun…
X-wing Aircraft Are Trickier Than They Look
https://hackaday.com/2025/11/04/x-wing-aircraft-are-trickier-than-they-look/
https://hackaday.com/2025/11/04/x-wing-aircraft-are-trickier-than-they-look/
Hackaday
X-wing Aircraft Are Trickier Than They Look
The iconic X-wing ship design from Star Wars is something many a hobbyist have tried to recreate, and not always with success. While [German engineer] succeeded in re-imagining an FPV quadcopter as…
Audio Sound Capture Project Needs Help
https://hackaday.com/2025/11/05/audio-sound-capture-project-needs-help/
https://hackaday.com/2025/11/05/audio-sound-capture-project-needs-help/
Hackaday
Audio Sound Capture Project Needs Help
When you are capturing audio from a speaker, you are rarely capturing the actual direct output of such a system. There are reflections and artifacts caused by anything and everything in the environ…
CardFlix: NFC Cards for Kid-Friendly Streaming Magic
https://hackaday.com/2025/11/05/cardflix-nfc-cards-for-kid-friendly-streaming-magic/
https://hackaday.com/2025/11/05/cardflix-nfc-cards-for-kid-friendly-streaming-magic/
Hackaday
CardFlix: NFC Cards For Kid-Friendly Streaming Magic
For most of us, the days of having to insert a disc to play our media are increasingly behind us. But if you’d like to provide your kids with the experience, you could use CardFlix. For the e…
Medieval Iron, Survivorship Bias and Modern Metallurgy
https://hackaday.com/2025/11/05/medieval-iron-survivorship-bias-and-modern-metallurgy/
https://hackaday.com/2025/11/05/medieval-iron-survivorship-bias-and-modern-metallurgy/
Hackaday
Medieval Iron, Survivorship Bias And Modern Metallurgy
When you hear it said that “Modern steel is disposable by design”, your ears perk up, as you just caught the unmistakable sound of faux romanticism along with ‘lost ancient techno…
SolidWorks Certification… With FreeCAD?
https://hackaday.com/2025/11/05/solidworks-certification-with-freecad/
https://hackaday.com/2025/11/05/solidworks-certification-with-freecad/
Hackaday
SolidWorks Certification… With FreeCAD?
There are various CAD challenges out there that come with bragging rights. Some, like the Certified Solid Works Professional Exam (CWSP) might actually look good on a resume. [Deltahedra] is appare…
The Deadliest US Nuclear Accident is Not What You Think
https://hackaday.com/2025/11/05/the-deadliest-us-nuclear-accident-is-not-what-you-think/
https://hackaday.com/2025/11/05/the-deadliest-us-nuclear-accident-is-not-what-you-think/
Hackaday
The Deadliest US Nuclear Accident Is Not What You Think
When you think of a US Nuclear accident, you probably think of Three Mile Island. However, there have been over 50 accidents of varying severity in the US, with few direct casualties. (No one died …
2025 Component Abuse Challenge: The Ever-Versatile Transistor as a Temperature Sensor
https://hackaday.com/2025/11/05/2025-component-abuse-challenge-the-ever-versatile-transistor-as-a-temperature-sensor/
https://hackaday.com/2025/11/05/2025-component-abuse-challenge-the-ever-versatile-transistor-as-a-temperature-sensor/
Hackaday
2025 Component Abuse Challenge: The Ever-Versatile Transistor As A Temperature Sensor
One of the joys of writing up the entries for the 2025 Component Abuse Challenge has come in finding all the different alternative uses for the humble transistor. This building block of all modern …