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Calculus-Free PID (Almost) In A Spreadsheet

PID controllers are everywhere. They regulate temperature, motor speed, power supplies, positioning systems, process equipment, and probably a dozen things within arm’s reach of you right now. They’re also frequently …read more

FitzRoy’s Glass: Victorian Weather Marvel Or Glorified Thermometer?

Everyone talks about the weather. This is doubly true for sailors, where bad weather could mean a very bad day. So it isn’t surprising that navies around the world have …read more

FLOSS Weekly Episode 878: A Tool With Opinions

This week Jonathan chats with Jonathan Pallant about embedded Rust! Learn about the growing Rust driver library, the different ways to build a Rust stack on an embedded device, and …read more

Know Your Food: Our Daily Bread

It’s time to return to our no-punches-pulled look at food manufacture, and this time we’re looking at the humble loaf of bread. As before, we’re approaching the subject with a …read more

Cell Broadcast: The Modern Emergency Alert System

Once upon a time, telephones were primarily point-to-point communications systems. There were options for three-way and conference calls out there, but by and large the plain old telephone system was …read more

From The Blog

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  • Tim Hunkin’s History Of Arcade Machines

    No comments

    By Jenny List | August 8, 2026

    There was a particular treat at the recent Electromagnetic Field event in the UK, as [Tim Hunkin] delivered a talk on the history of arcade machines. Given that he’s something …read more

  • Want Energy Efficiency? Dude, You’re Getting A Dell!

    9 Comments

    By Tyler August | August 8, 2026

    With a title like “Intel Just Matched Apple Silicon. Seriously.“, the latest video from [Jeff Geerling] makes some pretty bold claims. But as we’d expect from [Jeff], he’s got the …read more

  • The BBC Tetris Companion

    No comments

    By Al Williams | August 7, 2026

    [Leaded Solder] took on an interesting challenge. The BBC, apparently, produced a game console known as the BBC Bridge Companion that connected to your TV and helped you learn to …read more

  • Block, Shmock — Just Pump Water Over The Chip

    8 Comments

    By Tyler August | August 7, 2026

    If you’re water cooling a PC, it’s generally accepted that you need some interface between the coolant and the chips — a water block of copper or aluminum that carries …read more

  • This Filesystem Is Born To Fail

    12 Comments

    By Al Williams | August 7, 2026

    Sandboxing a Linux process usually means spending a lot of effort deciding what it isn’t allowed to see. You might put it in a mount namespace, bind-mount a few directories …read more

  • Hacking A $6000 Cotton Candy Machine To Fully Control It

    6 Comments

    By Maya Posch | August 7, 2026

    Having a fully automated cotton candy vending machine in your possession is a great thing, but not if you do not have full access to its software. With [Block’s Retro …read more

  • Chernobyl’s Robots, Or The Hackathon From Hell

    10 Comments

    By Maya Posch | August 7, 2026

    When the Chernobyl Nuclear Power Plant’s #4 reactor experienced an extreme criticality event on that infamous day in 1986, the resulting steam explosion and lack of any kind of containment …read more

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  • FitzRoy’s Glass: Victorian Weather Marvel Or Glorified Thermometer?

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  • Hackaday Podcast Episode 381: Airless Tires, Full-color Prints, And 28 MW Of LEDs

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

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Molde

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"Desk Accessory" CNC Milling Machine

"Desk Accessory" CNC Milling Machine

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  • FitzRoy’s Glass: Victorian Weather Marvel Or Glorified Thermometer?

    16 Comments
  • Cell Broadcast: The Modern Emergency Alert System

    33 Comments
  • Road Trains Roam The Backroads Of Australia

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  • The 16K Display That Ate Las Vegas

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  • Hackaday Podcast Episode 381: Airless Tires, Full-color Prints, And 28 MW Of LEDs

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  • Calculus-Free PID (Almost) In A Spreadsheet

    13 Comments
  • FLOSS Weekly Episode 878: A Tool With Opinions

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  • Know Your Food: Our Daily Bread

    50 Comments
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