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2026 Hackaday Supercon: Call For Proposals

We are absolutely stoked to announce that the Hackaday Superconference is taking place this year November 6th through 8th in glorious Pasadena California, and we want to see you there! …read more

The Death Of Physical Media And The Real Challenges To Software Archiving

Along with the many displays of outrage, gnashing of teeth and other displays of profound grief at the recent news that Sony will no longer manufacture physical game discs come …read more

A Brief History Of The Crazy Old 7-Segment Display

How old is the seven-segment display? Surely it is a product of the 1970s. After all, calculators started showing up, and the height of junior high humor was plugging 7734 …read more

FLOSS Weekly Episode 874: Really, We Do PDFs

This week Jonathan chats with Andrea Gallo about RISC-V! What does it mean for RISC-V to be an Open ISA? Where is RISC-V popping up, and what’s the new frontier? …read more

Linux Fu: The Local Phonebook

I’ll admit it: I miss the simplicity of /etc/hosts. There was something elegant about it. You wanted laserprinter to mean 192.168.1.40, so you opened a text file and wrote: 192.168.1.40 …read more

From The Blog

See all blog entries
  • Dress Up Your YubiKey With This Web-Based Tool

    2 Comments

    By Tom Nardi | July 22, 2026

    The combination of hardware required to make use of this project is specific enough that we imagine only a relatively limited number of readers will actually be able to try …read more

  • Compile Here, Run Everywhere: Crosstool-Ng

    3 Comments

    By Al Williams | July 22, 2026

    In a recent post, I mentioned that I wanted to build some tools for a stripped-down Linux running on a 3D printer with a MIPS CPU. I had two options: …read more

  • Old TV Vacuum Tube Turned DIY X-Ray Machine

    9 Comments

    By Julian Scheffers | July 22, 2026

    Just because you probably shouldn’t make a DIY X-ray machine, doesn’t mean nobody would. [mircemk] shows off his DIY unit, how it works, how to use it safely and of …read more

  • 60 FPS NES Emulator On ESP32

    6 Comments

    By Bryan Cockfield | July 22, 2026

    At least in theory, video games are more resistant to becoming lost media thanks to their digital nature — they’re easy to copy and emulators have saved many titles that …read more

  • A Smarter DIY Air Filter

    18 Comments

    By Navarre Bartz | July 21, 2026

    As predominantly indoor creatures, it’s important to maintain a healthy habitat for the hacker. [Kishan Pratap Singh] designed a clever solution in AirSense, an ESP32-powered air filter. If you’re thinking …read more

  • Open Source Vacuum Avoids Cloud

    21 Comments

    By Bryan Cockfield | July 21, 2026

    As more and more of the technology that we paid for turns becomes a subscription, there’s slowly been a momentum shift in the open source world of building replacements for …read more

  • Who’s Building That Data Center?

    26 Comments

    By Navarre Bartz | July 21, 2026

    One of the biggest “David versus Goliath” stories in tech right now is the towns beset by AI data center projects they may or may not have asked for. Powered …read more

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  • Postal IRCs Are Almost A Thing Of The Past

    12 Comments
  • Launching Rockets Is Hard, Bring Them Back Is Harder

    16 Comments
  • Putting Some Zig In A Linux-Based 3D Printer

    17 Comments
  • UDP Broadcasting And The Joys Of IPv4 Subnetting

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  • The Death Of Physical Media And The Real Challenges To Software Archiving

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  • Compile Here, Run Everywhere: Crosstool-Ng

    3 Comments
  • Art of 3D printer in the middle of creating a Hackaday Jolly Wrencher

    Giving Resin 3D Printers Another Shot After Six Years

    20 Comments
  • Hackaday Europe 2026: Project Gigapixel

    10 Comments
  • Hackaday Links: July 19, 2026

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  • Simple Games From A Simpler Time

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Featured Projects

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PowerPD — ESP32 USB-C PD/PPS Bench Power Supply

PowerPD — ESP32 USB-C PD/PPS Bench Power Supply

by Raushan Kumar
LightInk

LightInk

by Daniel Ansorregui

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Laser Buttplug - How I Won Kink Halloween Contest

Laser Buttplug - How I Won Kink Halloween Contest

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Co-Creating 3D Controller with AI Agents

by Co:Creation Lab
Lilka

Lilka

by b.sverdlyuk
Calling! ConnectiCity!

Calling! ConnectiCity!

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Building an Eternity Quantum Computing with Yb³⁺

Building an Eternity Quantum Computing with Yb³⁺

by Victor Pronchev
8-bit Workbench ED: a STEM-kit on number systems

8-bit Workbench ED: a STEM-kit on number systems

by Nijssen

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If you missed it

  • Postal IRCs Are Almost A Thing Of The Past

    12 Comments
  • Launching Rockets Is Hard, Bring Them Back Is Harder

    16 Comments
  • Putting Some Zig In A Linux-Based 3D Printer

    17 Comments
  • UDP Broadcasting And The Joys Of IPv4 Subnetting

    35 Comments
  • The Death Of Physical Media And The Real Challenges To Software Archiving

    30 Comments
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  • Compile Here, Run Everywhere: Crosstool-Ng

    3 Comments
  • Art of 3D printer in the middle of creating a Hackaday Jolly Wrencher

    Giving Resin 3D Printers Another Shot After Six Years

    20 Comments
  • Hackaday Europe 2026: Project Gigapixel

    10 Comments
  • Hackaday Links: July 19, 2026

    6 Comments
  • Simple Games From A Simpler Time

    32 Comments
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  • Jadien on Who’s Building That Data Center?
  • Steven Watson on 60 FPS NES Emulator On ESP32
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