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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

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  • EU Adds Exemptions To User-Serviceable Batteries Rules

    9 Comments

    By Maya Posch | July 17, 2026

    Built-in batteries put a timebomb inside devices, with especially the calendar aging feature of Li-ion chemistries setting a hard limit on when you’ll have to toss the device or figure …read more

  • Wireless LCD Streaming For The ANENG AN870 Multimeter

    4 Comments

    By Maya Posch | July 17, 2026

    Having the information shown on the display of a digital multimeter also recorded off-screen can be incredibly useful, but unless the device exposes something like SCPI on a network interface, …read more

  • A Sloshing-Mercury-Powered Neon Light

    9 Comments

    By Aaron Beckendorf | July 16, 2026

    In 1675, while transporting a barometer by night, the astronomer Jean Picard noticed a glow inside its glass tube, just above the mercury. As the mercury sloshed and splashed across …read more

  • White Rails Are The Infrastructure Hack We Didn’t Know We Needed

    18 Comments

    By Tyler August | July 16, 2026

    Railroads might be a nineteenth century technology, but they’re still the backbone of cargo transportation in the 21st century. They’ve also far from run out of innovation, including this one …read more

  • A USB Port By Any Other Color…

    24 Comments

    By Al Williams | July 16, 2026

    [Dr. Gough] bought a generic USB 3.0 hub on an Asian website. Surely, USB 3 is mature enough that even the cheapest hub will have some IC in it that …read more

  • Bad Apple On A Karaoke Machine

    6 Comments

    By Elliot Williams | July 16, 2026

    CD+Graphics was a format that never really caught on. It let music discs pack some graphics, maybe liner notes, and mostly song lyrics into the otherwise empty space on a …read more

  • Even Chemical Bonds Obey Einstein’s Relativity

    16 Comments

    By Maya Posch | July 16, 2026

    Although Einstein’s Theory of Relativity is typically associated with really large and really heavy things like planets in solar systems and big things in universes in general, it turns out …read more

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

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

    26 Comments
  • A Brief History Of The Crazy Old 7-Segment Display

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    Is Now The Time For Volumetric 3D Printing?

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  • FLOSS Weekly Episode 875: JavaScript As A Systems Language

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  • 2026 Hackaday Supercon: Call For Proposals

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

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THE ULTIMATE MINI ARCADE

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Programmable inverter

Programmable inverter

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Nix Robot

Nix Robot

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

    16 Comments
  • UDP Broadcasting And The Joys Of IPv4 Subnetting

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

    26 Comments
  • A Brief History Of The Crazy Old 7-Segment Display

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

    Is Now The Time For Volumetric 3D Printing?

    29 Comments
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  • Hackaday Europe 2026 – Build A Cable Modem For Your Arduino

    17 Comments
  • FLOSS Weekly Episode 875: JavaScript As A Systems Language

    3 Comments
  • 2026 Hackaday Supercon: Call For Proposals

    3 Comments
  • Hackaday Links: July 12, 2026

    14 Comments
  • When Changing Scale Isn’t Just More Of The Same

    22 Comments
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  • Albert on A USB Port By Any Other Color…
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  • Hulk has added details to DIY 3D Printed LED Roulette Wheel | ESP32 C3 Proje.
  • Hulk has added a new project titled DIY 3D Printed LED Roulette Wheel | ESP32 C3 Proje.
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  • Yasser has updated details to Terragenius - Mobile irrigation.
  • Co:Creation Lab has updated the log for Co-Creating 3D Controller with AI Agents.
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