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The Best Robot Mop System: Flat, Spinning, or Roller?
The Best Robot Mop System: Flat, Spinning, or Roller?
When it comes to designing a mopping robot, there are a number of approaches you can pick from, including just having the movement of the robot push the soggy mop …read more
hackaday.com
January 17, 2026 at 6:30 PM
The Best Robot Mop System: Flat, Spinning, or Roller?
The eMac: Using Apple’s Forgotten Educational Mac in 2025
The eMac: Using Apple’s Forgotten Educational Mac in 2025
What’s it like to use a 2002-era Apple eMac all-in-one in 2025? That’s what [MattKC] asked himself after obtaining one of these systems from a seller who ominously mentioned that …read more
hackaday.com
January 17, 2026 at 9:30 AM
The eMac: Using Apple’s Forgotten Educational Mac in 2025
DIY, Full-Stack Farm Automation
DIY, Full-Stack Farm Automation
Recently, [Vinnie] aka [vinthewrench] moved from Oregon to Arkansas to start a farmstead. This is a style of farming that focuses not just on a profitable farm where produce is …read more
hackaday.com
January 17, 2026 at 6:30 AM
DIY, Full-Stack Farm Automation
How Accurate is a 125 Year Old Resistance Standard?
How Accurate is a 125 Year Old Resistance Standard?
Resistance standards are incredibly useful, but like so many precision references they require regular calibration, maintenance and certification to ensure that they stay within their datasheet tolerances. This raises the …read more
hackaday.com
January 17, 2026 at 3:30 AM
How Accurate is a 125 Year Old Resistance Standard?
Testing a Continuous Printing Mod for the Bambu Lab A1 Mini
Testing a Continuous Printing Mod for the Bambu Lab A1 Mini
There are a few types of continuous 3D printing with FDM printers, with a conveyer belt and automatic build plate swapping the most common types. The advantage of build plate …read more
hackaday.com
January 17, 2026 at 12:30 AM
Testing a Continuous Printing Mod for the Bambu Lab A1 Mini
Jam like It’s the 1980s With A Mini-IBM PC
Jam like It’s the 1980s With A Mini-IBM PC
A lot of retrocomputer enthusiasts have a favourite system, to the point of keeping up 40 year old flame wars over which system was “best”. In spite of the serious, …read more
hackaday.com
January 16, 2026 at 9:30 PM
Jam like It’s the 1980s With A Mini-IBM PC
Battle Born LFP Battery Melts With New Problem
Battle Born LFP Battery Melts With New Problem
Following up on user-reported cases of Battle Born LiFePO4 batteries displaying very hot positive terminals, [Will Prowse] decided to buy a brand new one of these LFP batteries for some …read more
hackaday.com
January 16, 2026 at 8:00 PM
Battle Born LFP Battery Melts With New Problem
Hackaday Podcast Episode 353: Fantastic Peripherals, Fake or Not Fake Picos, and Everything on the Steam Deck
Hackaday Podcast Episode 353: Fantastic Peripherals, Fake or Not Fake Picos, and Everything on the Steam Deck
Join Hackaday Editors Elliot Williams and Tom Nardi as they swap their favorite hacks and stories from the week. In this episode, they’ll start off by marveling over the evolution …read more
hackaday.com
January 16, 2026 at 5:30 PM
Hackaday Podcast Episode 353: Fantastic Peripherals, Fake or Not Fake Picos, and Everything on the Steam Deck
Trying Out the Allwinner-Based Walnut Pi SBC
Trying Out the Allwinner-Based Walnut Pi SBC
When it comes to the term ‘Raspberry Pi clones’, the most that they really clone is the form factor, as nobody is creating clones of Broadcom VideoCore-based SoCs. At least …read more
hackaday.com
January 16, 2026 at 4:30 PM
Trying Out the Allwinner-Based Walnut Pi SBC
Optimizing Software with Zero-Copy and Other Techniques
Optimizing Software with Zero-Copy and Other Techniques
An important aspect in software engineering is the ability to distinguish between premature, unnecessary, and necessary optimizations. A strong case can be made that the initial design benefits massively from …read more
hackaday.com
January 16, 2026 at 3:30 PM
Optimizing Software with Zero-Copy and Other Techniques
WCH CH32M030: Another Microcontroller To Watch Out For
WCH CH32M030: Another Microcontroller To Watch Out For
One of the joys of writing for Hackaday comes in following the world of new semiconductor devices, spotting interesting ones while they are still just entries on manufacturer websites, and …read more
hackaday.com
January 16, 2026 at 1:00 PM
WCH CH32M030: Another Microcontroller To Watch Out For
What Happens When a Bug Rears its Head at Mach Two?
What Happens When a Bug Rears its Head at Mach Two?
While some may see amateur rocketry as little more than attaching fins to a motor and letting it fly, it is, in fact, rocket science. This fact became very clear …read more
hackaday.com
January 16, 2026 at 6:30 AM
What Happens When a Bug Rears its Head at Mach Two?
Project Fail: Cracking a Laptop BIOS Password Using AI
Project Fail: Cracking a Laptop BIOS Password Using AI
Whenever you buy used computers there is a risk that they come with unpleasant surprises that are not of the insect variant. From Apple hardware that is iCloud-locked with the …read more
hackaday.com
January 16, 2026 at 1:00 AM
Project Fail: Cracking a Laptop BIOS Password Using AI
Building an Escape Room Lockbox with the ESP32 Cheap Yellow Display (CYD)
Building an Escape Room Lockbox with the ESP32 Cheap Yellow Display (CYD)
Here’s something fun from [Chad Kapper] over on HackMakeMod: Escape Room Lockbox with the Cheap Yellow Display. You may have heard of the “cheap yellow display” (CYD), so-called due to …read more
hackaday.com
January 15, 2026 at 9:30 PM
Building an Escape Room Lockbox with the ESP32 Cheap Yellow Display (CYD)
Building a Carousel Autosampler
Building a Carousel Autosampler
A common task in a laboratory setting is that of sampling, where a bit of e.g. liquid has to be sampled from a series of containers. Doing this by hand …read more
hackaday.com
January 15, 2026 at 8:00 PM
Building a Carousel Autosampler
The Random Laser
The Random Laser
When we first heard the term “random laser,” we did a double-take. After all, most ordinary sources of light are random. One defining characteristic of a traditional laser is that …read more
hackaday.com
January 15, 2026 at 6:30 PM
The Random Laser
ISS Medical Emergency: An Orbital Ambulance Ride
ISS Medical Emergency: An Orbital Ambulance Ride
Over the course of its nearly 30 years in orbit, the International Space Station has played host to more “firsts” than can possibly be counted. When you’re zipping around Earth …read more
hackaday.com
January 15, 2026 at 3:30 PM
ISS Medical Emergency: An Orbital Ambulance Ride
Looking at a Real Fake Raspberry Pi RP2040 Board
Looking at a Real Fake Raspberry Pi RP2040 Board
Since the RP2040 microcontroller is available as a stand-alone component, it’s easy enough for third parties to churn out their own variations — or outright clones of — the Raspberry …read more
hackaday.com
January 15, 2026 at 12:30 PM
Looking at a Real Fake Raspberry Pi RP2040 Board
Making Code a Hundred Times Slower With False Sharing
Making Code a Hundred Times Slower With False Sharing
Writing good, performant code depends strongly on an understanding of the underlying hardware. This is especially the case in scenarios like those involving embarrassingly parallel processing, which at first glance …read more
hackaday.com
January 15, 2026 at 3:30 AM
Making Code a Hundred Times Slower With False Sharing
A New Life For An Old Amplifier
A New Life For An Old Amplifier
An audio amplifier was once a fairly simple analogue device, but in recent decades a typical home entertainment amplifier will have expanded to include many digital functions. When these break …read more
hackaday.com
January 14, 2026 at 9:30 PM
A New Life For An Old Amplifier
FLOSS Weekly Episode 860: Elixir Origin Story
FLOSS Weekly Episode 860: Elixir Origin Story
This week Jonathan and Randal chat with Jose Valim about Elixir! What led Jose to create this unique programming language? What do we mean that it’s a functional language with …read more
hackaday.com
January 14, 2026 at 8:00 PM
FLOSS Weekly Episode 860: Elixir Origin Story
Genetic Therapy Aims To Bring Hearing To Those Born Deaf
Genetic Therapy Aims To Bring Hearing To Those Born Deaf
For those born with certain types of congenital deafness, the cochlear implant has been a positive and enabling technology. It uses electronics to step in as a replacement for the …read more
hackaday.com
January 14, 2026 at 6:30 PM
Genetic Therapy Aims To Bring Hearing To Those Born Deaf
Clone Wars: IBM Edition
Clone Wars: IBM Edition
If you search the Internet for “Clone Wars,” you’ll get a lot of Star Wars-related pages. But the original Clone Wars took place a long time ago in a galaxy …read more
hackaday.com
January 14, 2026 at 3:30 PM
Clone Wars: IBM Edition
Pushing China’s EAST Tokamak Past the Greenwald Density Limit
Pushing China’s EAST Tokamak Past the Greenwald Density Limit
Getting a significant energy return from tokamak-based nuclear fusion reactors depends for a large part on plasma density, but increasing said density is tricky, as beyond a certain point the …read more
hackaday.com
January 14, 2026 at 12:30 PM
Pushing China’s EAST Tokamak Past the Greenwald Density Limit