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Tech In Plain Sight: Meet The Robot That Does CPR

Usually in Tech In Plain Sight, we talk about technology you probably see every day, even if you don’t notice it. But we hope you don’t get to see one …read more

FLOSS Weekly Episode 881: Eating Its Own Tail

This week Jonathan chats with Olivier Vernin of Updatecli, the tool that helps you update everything! Need to roll out dependency updates intelligently? Or even automatically deploy to a server …read more

Hunting The Wild Vibrotruck

A few weeks ago, my wife was out walking the dog, and she sent me four or five photos of small orange boxes planted all around our neighborhood. (OK, I’ll …read more

Hackaday Europe 2026: Outdoors With Robots

Erin Kennedy has been building robots for over a decade now, with a focus on smaller bots that interact with, or maybe even clean up, the outdoor environment. Still other …read more

Hackaday Links: September 6, 2026

Yesterday, Isar Aerospace secured its place in the history books when the upper stage of their Spectrum rocket put a payload of CubeSats into low Earth orbit (LEO). Not only …read more

From The Blog

See all blog entries
  • Analyzing The FScale Instruction In Intel’s 8087 FPU

    No comments

    By Maya Posch | September 13, 2026

    During his continuing analysis of the architecture and microcode of Intel’s highly influential 8087 floating point unit (FPU) co-processor, [Ken Shirriff] has now arrived at the point where he can …read more

  • Keeping Time On Tumbling Icosahedra

    3 Comments

    By Aaron Beckendorf | September 13, 2026

    Clocks are almost the ideal devices to inspire creativity in hackers — they have a simple, well-defined task, but there’s an almost unlimited number of ways to carry it out. …read more

  • Whip-Cracking Machine Reliably Breaks The Sound Barrier

    3 Comments

    By Aaron Beckendorf | September 13, 2026

    We tend to think of breaking the sound barrier as a comparatively modern accomplishment, but on a smaller scale, cattle herders have been breaking it for centuries: the cracking sound …read more

  • Spin FV-1 Emulator Simplifies Sound Pedal Development

    9 Comments

    By Tyler August | September 12, 2026

    If you’ve never heard of the Spin Semiconductors FP-1 digital signal processor chip, don’t worry– that just means you haven’t been deep into guitar petals and audio effects hardware lately. …read more

  • 2026 Retrocomputing Challenge: 16-Bit Homebrew Relay Computer

    4 Comments

    By Tyler August | September 12, 2026

    You want Retro? We did, when we started our retrocomputing challenge. [Peter] decided that transistors weren’t retro enough, and sent us this lovely homebrew relay computer, complete with 16- bit …read more

  • Making An Air-Powered Circular Saw With LEGO

    5 Comments

    By Maya Posch | September 12, 2026

    Although building a table saw out of LEGO is probably not the first thing that comes to mind when you look at those colorful bits of plastic, [Jamie] has been …read more

  • Big Infinity Mirror Clock Invites You To Gaze Deeply

    9 Comments

    By Donald Papp | September 12, 2026

    [Andy Huot] has a fantastic-looking infinity mirror digital clock that really raises the bar. It uses high quality components, smart use of RGB LED animations, and a clever “stacked diffuser” …read more

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  • Tech In Plain Sight: Meet The Robot That Does CPR

    17 Comments
  • Hunting The Wild Vibrotruck

    41 Comments
  • Hackaday Europe 2026: Outdoors With Robots

    4 Comments
  • From A Ten-Line Script To A Real Utility With Codex

    68 Comments
  • “I’m Not Dead Yet!” Reverse Polish Notation Calculators You Can Still Buy

    77 Comments
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  • Hackaday Podcast Episode 386: Doomscroll Tamagotchis, Clavichords, And Vibrotrucks

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  • This Week In Security: It’s Patch Tuesday Again, TVs Spying, Supply Chain Worms Return, Prolonged Hack Impacts, Stolen IDs

    15 Comments
  • FLOSS Weekly Episode 881: Eating Its Own Tail

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  • Hackaday Links: September 6, 2026

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  • Hackaday Podcast Ep 385: 3D Printers With Lasers, Wicked RAM Prices, And Reverse Polish Notation

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From “Second Brain” to a Living Memory Environment

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PSU-EXT

PSU-EXT

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Robo Roach Wrestling

Robo Roach Wrestling

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If you missed it

  • Tech In Plain Sight: Meet The Robot That Does CPR

    17 Comments
  • Hunting The Wild Vibrotruck

    41 Comments
  • Hackaday Europe 2026: Outdoors With Robots

    4 Comments
  • From A Ten-Line Script To A Real Utility With Codex

    68 Comments
  • “I’m Not Dead Yet!” Reverse Polish Notation Calculators You Can Still Buy

    77 Comments
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  • Hackaday Podcast Episode 386: Doomscroll Tamagotchis, Clavichords, And Vibrotrucks

    No comments
  • This Week In Security: It’s Patch Tuesday Again, TVs Spying, Supply Chain Worms Return, Prolonged Hack Impacts, Stolen IDs

    15 Comments
  • FLOSS Weekly Episode 881: Eating Its Own Tail

    No comments
  • Hackaday Links: September 6, 2026

    7 Comments
  • Hackaday Podcast Ep 385: 3D Printers With Lasers, Wicked RAM Prices, And Reverse Polish Notation

    4 Comments
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  • Jan on Spin FV-1 Emulator Simplifies Sound Pedal Development
  • Dan on The Heavy Disco-Ball Satellite Designed To Do… Nothing
  • Jan on Big Infinity Mirror Clock Invites You To Gaze Deeply
  • IIVQ on Making An Air-Powered Circular Saw With LEGO
  • Snarkenstein on Keeping Time On Tumbling Icosahedra
  • Tyler August on Spin FV-1 Emulator Simplifies Sound Pedal Development
  • Paul on The Heavy Disco-Ball Satellite Designed To Do… Nothing
  • Zygo on Trying To Fix A Suspiciously Cheap Enterprise-Grade Network Switch
  • Dave Newton on If It’s Electronic Paper, Why Not Print To It?
  • Egghead Larsen on Making An Air-Powered Circular Saw With LEGO

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