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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

From The Blog

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  • Voltmeter Clock Has The Time Dialled In

    6 Comments

    By Zoe Skyforest | May 18, 2026

    You could make a clock with three hands spinning about nested central shafts. If you did that, we probably wouldn’t publish it on Hackaday unless you really found a way …read more

  • Long-Range Night Vision With An Infrared Laser

    3 Comments

    By Aaron Beckendorf | May 18, 2026

    Most consumer-grade night vision devices are basically a standard camera without the usual filter to block near infrared (NIR) light, which are then paired with a NIR light source that’s …read more

  • How To Make Steel That Breathes

    5 Comments

    By Zoe Skyforest | May 18, 2026

    There are plenty of porous materials out there that we’re all readily familiar with. Fabrics and wood are great examples, allowing liquids or gases to pass through to a certain …read more

  • Small Engine Gets DIY EFI Upgrade

    22 Comments

    By Zoe Skyforest | May 18, 2026

    Small internal combustion engines usually keep things simple, relying on carburetors to handle metering the correct amount of fuel and air. Recently, [Carlos Takeshita] decided his small engine could use …read more

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

    11 Comments

    By Mike Kershaw | May 18, 2026

    Google has patched an Android ADB bug in the May security patch set. If you have a Pixel phone you should already have the patches, and most other major manufacturers …read more

  • Running A VPN Gateway On An ESP32

    14 Comments

    By Aaron Beckendorf | May 18, 2026

    If you need a VPN gateway to access your home network, the fastest and most cost-effective way is probably by using a Raspberry Pi Zero. But in [Samir Makwana]’s view, …read more

  • Building A Working Replica Of The Chernobyl Power Plant’s SKALA Display

    3 Comments

    By Maya Posch | May 18, 2026

    In a recent video by the [Chornobyl Family] it’s shown how they made the SKALA status display which was featured at the recent 40-year memorial exhibition of the Chornobyl Nuclear …read more

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  • Teardown: ChargeTab Emergency Phone Charger

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

    10 Comments
  • The Vacuum Tube’s Last Stand(s)

    132 Comments
  • There’s More To Global Positioning Than Just GPS

    18 Comments
  • AI On Every Machine: The LLM You Probably Didn’t Want

    72 Comments
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Our Columns

  • How To Make Steel That Breathes

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

    11 Comments
  • Hackaday Links: May 17, 2026

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

    80 Comments
  • Hackaday Links: May 10, 2026

    13 Comments
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Featured Projects

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WORLD’S FASTEST COMMODORE PET USING THE MCL65+

WORLD’S FASTEST COMMODORE PET USING THE MCL65+

by Ted Fried
Turning a 2 ton robot into a 3D-printer

Turning a 2 ton robot into a 3D-printer

by Brian Brocken

Trending Projects

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RCKid

RCKid

by Zduka
Air Quality Sensor Stick & Bluetooth Proxy

Air Quality Sensor Stick & Bluetooth Proxy

by D. E.
A DIY Digital SINAD/Waveform indicator on ESP32/PC

A DIY Digital SINAD/Waveform indicator on ESP32/PC

by nobcha
Hackaday.io Project

Hackaday.io Project

by Lutetium
Feedback - Hackaday.io

Feedback - Hackaday.io

by Lutetium
Super Breadboard 2: a breadboard on steroids

Super Breadboard 2: a breadboard on steroids

by Nijssen

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If you missed it

  • Teardown: ChargeTab Emergency Phone Charger

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

    10 Comments
  • The Vacuum Tube’s Last Stand(s)

    132 Comments
  • There’s More To Global Positioning Than Just GPS

    18 Comments
  • AI On Every Machine: The LLM You Probably Didn’t Want

    72 Comments
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Categories

Our Columns

  • How To Make Steel That Breathes

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

    11 Comments
  • Hackaday Links: May 17, 2026

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

    80 Comments
  • Hackaday Links: May 10, 2026

    13 Comments
More from this category

Recent comments

  • Dave Newton on CGA As You Have Never Seen It Before
  • Paul on Voltmeter Clock Has The Time Dialled In
  • Paul on Voltmeter Clock Has The Time Dialled In
  • Paul on Long-Range Night Vision With An Infrared Laser
  • Jeff Wright on Turning A Junk Laptop Screen Into A Portable Monitor
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  • Zduka has updated the log for RCKid.
  • fabuffet liked eMBee ONE pocket computer.
  • Paul McClay has updated the log for Minamil 3dp: another minimal CNC mill.
  • Norbert wrote a comment on Raspberry Pi Travel NAS.
  • D. E. has updated details to Air Quality Sensor Stick & Bluetooth Proxy.
  • D. E. has updated the project titled Air Quality Sensor Stick & Bluetooth Proxy.
  • sjm4306 liked Miniature flex-PCB LED display.
  • Peabody1929 liked Super Breadboard 2: a breadboard on steroids.
  • Nijssen liked Vertical LED digit display boards.
  • Paul McClay wrote a comment on project log Generating PCB production files with kicad-cli.
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