The Vacuum Tube’s Last Stand(s)

When most people think about vacuum tubes, they picture big glass bottles glowing inside antique radios or early computers. History often treats tubes as a dead-end technology that was suddenly …read more

Hackaday Links: May 10, 2026

While Artemis II was primarily a demonstration flight of the architecture NASA plans to use for future lunar missions, it was also an excellent excuse for the crew to snap …read more

Hackaday Podcast Episode 369: IR, E-Ink, And Avgas

In this episode, Hackaday Editors Elliot Williams and Tom Nardi start things off by discussing the latest reason that cheap PCB fabrication isn’t quite as cheap as it once was. …read more

This Week In Security: Another Linux Exploit, Ubuntu Knocked Offline, Finals Interrupted, And Backdoored Tools

After the CopyFail vulnerability gave root access from any user on almost all distributions last week, this week we’ve got DirtyFrag. This chains the vulnerability in CopyFail (xfrm-ESP) and a …read more

Congratulations To The Green Powered Challenge Winners!

For this challenge, we asked you to show off your hacks that power themselves sustainably from the environment around them. After all, nobody likes wires, and changing batteries is just …read more

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Between-Device Sharing Still Sucks

16 Comments
By Zoe Skyforest | May 20, 2026

Once upon a time, computing was simple. You had files on a floppy disk. If you wanted to take them to a different computer, you ejected the disk from one …read more
Bring Back That Aged Scanner, In Your Browser

11 Comments
By Jenny List | May 20, 2026

We have probably all at some point had to replace a peripheral not because it is faulty, but because it is no longer supported by our operating system. It’s especially …read more
DecayDock Keeps Track Of Spoilage

5 Comments
By Zoe Skyforest | May 20, 2026

Many of us have suffered the common experience of buying a great deal of (now very expensive) food, only to have it go off before it can be consumed. [ptallthings93] …read more
Using 3D Printers To Make Circuit Boards

26 Comments
By Julian Scheffers | May 19, 2026

Custom printed circuit boards have become more and more accessible to the average hobbyist over the last decade. But one problem still remains: your circuits will take at least a …read more
Building A Device To Map Magnetic Fields

1 Comment
By Zoe Skyforest | May 19, 2026

Magnetic fields are all around us. We can’t really feel or see them ourselves, per se, but we can map them with the right hardware, like this device built by …read more
The 8-bit Web Server

16 Comments
By Al Williams | May 19, 2026

Even [maurycyz] doesn’t think it is a good idea, but it is possible to use an AVR 8-bit CPU to serve web pages. Of course, it is a vastly simplified …read more
Building A Pip Boy Themed Smartwatch

7 Comments
By Zoe Skyforest | May 19, 2026

One of the problems with good science fiction is that it introduces us to all kinds of cool devices that we can’t actually have in real life. [Huy Vector] has …read more

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The Vacuum Tube’s Last Stand(s)

Hackaday Links: May 10, 2026

Hackaday Podcast Episode 369: IR, E-Ink, And Avgas

This Week In Security: Another Linux Exploit, Ubuntu Knocked Offline, Finals Interrupted, And Backdoored Tools

Congratulations To The Green Powered Challenge Winners!

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Between-Device Sharing Still Sucks

How Search Engines Enabled Finding Needles In A WWW-Sized Haystack

Teardown: ChargeTab Emergency Phone Charger

2026 Hackaday Europe: Pre-party, More Workshops, And Everything Else

The Vacuum Tube’s Last Stand(s)

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How Pulse Oximetry Figures Out Your Blood Oxygen Levels

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This Week In Security: Android Exposes ADB, ShinyHunters Get Paid, Robot Dogs, And More

Hackaday Links: May 17, 2026

Ask Hackaday: Do We Need A 21st Century Calculator?

The Vacuum Tube’s Last Stand(s)

Hackaday Links: May 10, 2026

Hackaday Podcast Episode 369: IR, E-Ink, And Avgas

This Week In Security: Another Linux Exploit, Ubuntu Knocked Offline, Finals Interrupted, And Backdoored Tools

Congratulations To The Green Powered Challenge Winners!

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