UDP Broadcasting And The Brave New World Of IPv6

After recently working our way through UDP broadcasting and network subnetting all in the comfort zone of IPv4, it’s time to address the elephant in the room, the one wearing …read more

After Decades, NASA May Finally Replace Mars Relays

We’ve yet to find any definitive evidence that there’s biological life on present-day Mars, but to say it’s a dead planet isn’t exactly accurate. Since the first Viking lander touched …read more

2026 Hackaday Supercon: Announcing Our First Round Of Speakers

Supercon is the Ultimate Hardware Conference™ and you need to be there November 6-8 in Pasadena, California! Below is just the tip of the speakers’ iceberg, but if that’s not …read more

Raspberry Pi RAM Restrictions No Big Deal, Frankly

Hacking on Raspberry Pi board internals is one of my favourite topics. I know a bunch of obscure things about these cute little boards. Three years ago, I covered a …read more

DIY Router On X86 E-Waste: OpenWrt And OPNsense

In previous installments of this series we looked at how creating a DIY router using an e-waste-level PC has changed over the years, before attempting to boot OpenWrt for x86 …read more

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Designing A Fully 3D-Printed Mechanical Calculator

1 Comment
By Maya Posch | September 29, 2026

Even if almost tragically impractical in a world where digital calculators are cheap as chips, mechanical calculators and their big mechanical computer brethren remain an absolute marvel of engineering. Using …read more
Improved Double-Sided Toner Transfer Method

15 Comments
By Bryan Cockfield | September 29, 2026

In the era before PCB shops would make almost any PCB imaginable, as well making many other manufacturing processes for prototypes available to hobbyists, there were several ways of making …read more
Electromechanical TV Goes 3D With This Light-field Display

1 Comment
By Tyler August | September 29, 2026

A mechanical TV — the kind that makes an image with a Nipkow disk and a single lamp with some help from persistence of vision — is easy enough to …read more
Geothermal Cooling For New York’s Subways

8 Comments
By Zoe Skyforest | September 29, 2026

You might think that if you dug some tunnels down into the ground where you could be out of the sunshine, that you might find them to be relatively cool …read more
Testing Coulomb’s Law And Similar Fundamentals Yourself Remains Tricky

3 Comments
By Maya Posch | September 29, 2026

How easy is it to build a simple demonstration at home that proves fundamental law of physics, such as Coulomb’s inverse square law, or Maxwell’s equations? This is one of …read more
Metal Gear Solid Moves From PlayStation To ESP32

4 Comments
By Tyler August | September 29, 2026

If you haven’t heard of Metal Gear, you probably haven’t played video games these last few decades. The original Metal Gear dates back to 1987 and launched on the MSX, …read more
Pitting A CFD-Optimized Toroidal Propeller Against A Conventional One

19 Comments
By Maya Posch | September 28, 2026

Although we often think that we got certain aspects of aerodynamics pretty much licked at this point, details like the optimal shape of a propeller remains hotly debated, both in- …read more

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UDP Broadcasting And The Brave New World Of IPv6

After Decades, NASA May Finally Replace Mars Relays

2026 Hackaday Supercon: Announcing Our First Round Of Speakers

Raspberry Pi RAM Restrictions No Big Deal, Frankly

DIY Router On X86 E-Waste: OpenWrt And OPNsense

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Geothermal Cooling For New York’s Subways

The FPGA Chronicles: Exploring The Tang Nano 20K

After Decades, NASA May Finally Replace Mars Relays

2026 Hackaday Supercon: Announcing Our First Round Of Speakers

Raspberry Pi RAM Restrictions No Big Deal, Frankly

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Hackaday Links: September 27, 2026

The Least Annoying Of All Evils

Hackaday Podcast Episode 388: RAM-Swapping On Raspberry Pi, Raindrops On Radar, And A Fine Mesh

This Week In Security: FBI Gets Hacked, Muse Vulnerable To ClickFix, Popular Rust Developers At Risk, And New Attacks Against RSA

UDP Broadcasting And The Brave New World Of IPv6

After Decades, NASA May Finally Replace Mars Relays

2026 Hackaday Supercon: Announcing Our First Round Of Speakers

Raspberry Pi RAM Restrictions No Big Deal, Frankly

DIY Router On X86 E-Waste: OpenWrt And OPNsense

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