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hackaday

@hackaday

šŸ”„ Read: https://xitter.gq/t.co/KG4TpCzO7H ā˜ ļø Contribute: tips at hackaday dot com šŸ‘‰ Projects: @hackadayio #Fediverse: @hackaday@hackaday.social šŸ“’ Learn: https://xitter.gq/t.co/p1jaCktSDt

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Joined April 2008
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An AI Chatbot for the Apocalypse ift.tt/N0RFnYs
An AI Chatbot For The Apocalypse

An AI Chatbot For The Apocalypse

You donā€™t have to be a full-on ā€œprepperā€ to at least occasionally wonder what would happen if civilization collapsed. One thing you probably couldnā€™t do is go on the Interneā€¦

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Magnetic Lock Opens By Magic ift.tt/mzd1jgS
Magnetic Lock Opens By Magic

Magnetic Lock Opens By Magic

Over on IEEE Spectrum, [Stephen Cass] has a project that would probably have seemed like a magic a few centuries ago. Imagine a box that uses a magnetic device to holds a locking bolt, requiring a ā€¦

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2026 Retrocomputing Challenge: Custom RISC-V Processor For Retro System ift.tt/tNrHf6m
2026 Retrocomputing Challenge: Custom RISC-V Processor For Retro System

2026 Retrocomputing Challenge: Custom RISC-V Processor For Retro System

Although once little more than an academic endeavor, the RISC-V architecture is slowly supplanting applications that would have normally gone to ARM. Even a few microcontrollers have chips running ā€¦

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Battery Prototype Uses Superextensive Quantum Effects to Charge Faster ift.tt/OzpL4g3
Battery Prototype Uses Superextensive Quantum Effects To Charge Faster

Battery Prototype Uses Superextensive Quantum Effects To Charge Faster

Although the term ā€˜quantum batteryā€™ is a bit of a vague term, the cell that [Kieran Hymas] et al. demonstrate in a recent paper does seem to suggest that it uses quantum effects to charā€¦

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Hacking the Modern Tamagotchi With UART ift.tt/eYo4WSO
Hacking The Modern Tamagotchi With UART

Hacking The Modern Tamagotchi With UART

Although not technically the first virtual pet, the Tamagotchi handhelds certainly popularized the idea and made it a worldwide phenomenon. In the late 90s it was hard to go out in public and not sā€¦

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Does Running an E-Paper Display at 30 FPS Destroy It? ift.tt/Mg2KDUc
Does Running An E-Paper Display At 30 FPS Destroy It?

Does Running An E-Paper Display At 30 FPS Destroy It?

Although e-paper displays are famous for being low-power and lasting essentially forever if not damaged physically, the recent push to drive even cheaper e-paper displays at a framerate like 30 FPSā€¦

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C64 Keycaps For Everybody ift.tt/qj1ZLJ3
C64 Keycaps For Everybody

C64 Keycaps For Everybody

If youā€™ve got an MX-style keyboard and want some retro charm, you might like a recent project from [Levente Szabadkai]. Itā€™s a set of C64-style keycaps that you can print yourself at hoā€¦

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Turning an Old Phoneā€™s Motherboard into an RC Plane Controller ift.tt/pQCOqiw
Turning An Old Phoneā€™s Motherboard Into An RC Plane Controller

Turning An Old Phoneā€™s Motherboard Into An RC Plane Controller

Upcycling smartphones makes a lot of sense, especially since they contain so many components that remain useful long after their desirability as a smartphone has faded. In the case of [Mountain DS ā€¦

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JPEG-XL Is Back On The Menu ift.tt/BxU21TM
JPEG-XL Is Back On The Menu

JPEG-XL Is Back On The Menu

Many of the image formats weā€™re familiar with have been around for decades. We all know JPEG and PNG like the back of our hands, and GIF even had a bit of a resurgence when tiny annoying loopā€¦

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Emulate the 486 in Your Browser ift.tt/Qb7SiNY
Emulate The 486 In Your Browser

Emulate The 486 In Your Browser

You might fondly remember the days of the Intel 486, but you probably donā€™t have one on your desk anymore. If youā€™d like to emulate that classic hardware, you can now do it in your browā€¦

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SLAM Navigation For an Arduino Powered Car ift.tt/EdPByG3
SLAM Navigation For An Arduino Powered Car

SLAM Navigation For An Arduino Powered Car

There are plenty of ā€œrobotā€ 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 sort of autonomy thoughā€¦

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Hacking a Marine Radio Dish ift.tt/H3D5UZ1
Hacking A Marine Radio Dish

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 for marine use, and setā€¦

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Changes to FCC rules around the ISM bands could cause major headaches for Lora mesh communities. Tom Nardi investigates. hackaday.com/2026/09/17/fcc-ā€¦
FCC ISM Rules May Shatter Lora Mesh Communities

FCC ISM Rules May Shatter Lora Mesh Communities

Although everyone has their own reasons for exploring a new hobby, one of the driving factors behind the popularity of Meshtastic and MeshCore has been the incredible accessibility offered by off-gā€¦

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Airborne Particle Monitoring, the BIG way ift.tt/V1Zw4Ec
Airborne Particle Monitoring, The BIG Way

Airborne Particle Monitoring, The BIG Way

Airborne micro particles can be a significant health hazard in a workshop, and thus itā€™s important to maintain a high standard of ventilation. But monitoring their concentration is also imporā€¦

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How a Single University Project Started Everything ift.tt/aghDvYS
How A Single University Project Started Everything

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, for most of us our machines share backā€¦

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2026 Retrocomputing Challenge: Explore Space with a Credit Card Reader ift.tt/WOHcKL3
2026 Retrocomputing Challenge: Explore Space With A Credit Card Reader

2026 Retrocomputing Challenge: Explore Space With A Credit Card Reader

The humble credit card reader ā€” most of us have used hundreds, perhaps even thousands of them over the years. But even for folks like us, itā€™s not the sort of device we give a lot of thā€¦

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Where Did Your Mouse Come From? ift.tt/kMKsgSr
Where Did Your Mouse Come From?

Where Did Your Mouse Come From?

Many readers will be familiar with Douglas Englebartā€™s 1968 so-called ā€œMother of All Demosā€, in which he described many of the devices and technologies we would be using two or thā€¦

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How Bad Is That Bridge: A Government Database ift.tt/B5kzVqN
How Bad Is That Bridge: A Government Database

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 they open up for granted. The reality, as aā€¦

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SIMD-accelerated Machine Vision on an ESP32-S3 hackaday.com/2026/10/27/simdā€¦
SIMD-accelerated Machine Vision On An ESP32-S3

SIMD-accelerated Machine Vision On An ESP32-S3

Recently [shraiwi] decided to have a bit of good nerdy fun and implement the FAST machine vision algorithm on an ESP32-S3 using its SIMD ISA. This involves using the assembly instructions for the Iā€¦

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ESP32 Rotary Display Makes Ideal Timer ift.tt/vao5GVL
ESP32 Rotary Display Makes Ideal Timer

ESP32 Rotary Display Makes Ideal Timer

Weā€™re big fans of pushing hardware into situations it wasnā€™t designed for here at Hackaday, but sometimes youā€™ve got to appreciate a nicely designed gadget doing more or less exacā€¦

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