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Defeating Bacteria In Hot Water Systems With A Heat Exchanger

The average hot water is a relatively simple appliance to understand. It uses gas or electricity to dump energy into water in the form of heat, keeping it at a …read more

What’s Mu Metal?

If you tear into old TVs or recording equipment, you may see shields made from some exotic-looking metal. Old timers will tell you it’s called mu metal, and its purpose …read more

This Week In Security: Android Malware, VOIP Hijack, Signal Contact Discovery, And TeamPCP Arrests

On GitHub, [AyaanB] details buying a cheap Android TV streaming device, looking for, and finding, baked-in malware. Multiple warnings have been issued by the FBI and CISA regarding malware on …read more

Australia’s Nationwide Phone Outage Was An Embarrassing Failure

The phones! They were one of the basic utilities of the 20th century, and were just about as reliable as death and taxes. Even when then power grid went down, …read more

FLOSS Weekly Episode 879: Easy Like Butter

This week Jonathan chats with Nathan Freitas of the Guardian Project! What is going on at the forefront of Open Source and privacy advocacy? Where are we on a true …read more

From The Blog

See all blog entries
  • HDMI For The Color Computer 2

    No comments

    By Zoe Skyforest | September 2, 2026

    [Scott Baker] bought a TRS-80 Color Computer off eBay some five years ago. He’d always intended to add a CoCoVGA or CoCoDV upgrade to hook it up to a monitor, …read more

  • Creating The Greenest Possible Clothing With Living Fungi

    8 Comments

    By Maya Posch | September 2, 2026

    Despite the wide variety of fabrics used for our clothing, they all share the property of not being living tissues. This could be due to them never having been part …read more

  • A Defrag Simulator In Your Browser

    13 Comments

    By Zoe Skyforest | September 1, 2026

    Disk Defragmenter was a wonderful utility that Microsoft included with Windows back in the day. Back then, you’d use it to theoretically speed up disk access. Today, you can run …read more

  • Haiku OS Releases Beta 6

    4 Comments

    By Maya Posch | September 1, 2026

    After just a little over 25 years of the Haiku project trying to keep the BeOS spirit alive, the team has now released Beta 6. The spicy details of what …read more

  • Building An Airsoft Claymore Mine

    14 Comments

    By Zoe Skyforest | September 1, 2026

    The Claymore mine is a rather fearsome weapon of war, using explosives to blast a cone of shrapnel towards advancing enemies. It’s not really something you should try and build …read more

  • How Gold Plastic Syndrome Is Killing Toys And Game Consoles

    9 Comments

    By Maya Posch | September 1, 2026

    In a recent video [Sqwerks] does a deep-dive into the problem of disintegrating plastic enclosures of Nintendo DS consoles. These original NDS handheld consoles have a metallic-like coating that appears …read more

  • Reactive Heat And Wind Come To VR, Thanks To Smart Plugs

    5 Comments

    By Donald Papp | September 1, 2026

    Want to feel the heat of nearby fire, explosions, or radiation? Or even just the gentle warmth and breeze of a sunny day in the wasteland? If you said yes, …read more

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If you missed it

  • Hackaday Europe 2026: Playstation 4 To Psychometer

    No comments
  • What’s Mu Metal?

    22 Comments
  • Australia’s Nationwide Phone Outage Was An Embarrassing Failure

    28 Comments
  • Hackaday Europe 2026: PCBs With A Plot

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  • Anatomy Of An SLA Resin Printing Disaster

    16 Comments
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Our Columns

  • PETG: The PLA Filament Alternative That Just Works

    36 Comments
  • Defeating Bacteria In Hot Water Systems With A Heat Exchanger

    64 Comments
  • Hackaday Links: August 30, 2026

    12 Comments
  • Same As It Ever Was

    137 Comments
  • Hackaday Podcast Episode 384: OCR MOD Records, Magical PCBs, And The Gravity Of Space Stations

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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

Trending Projects

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Lehmer's 1982 Number Sieve, Rebuilt With ATtinys

Lehmer's 1982 Number Sieve, Rebuilt With ATtinys

by kbsriram
YUMO SMART CUBE: Touch screen/ESP32-S3 Brass Wire

YUMO SMART CUBE: Touch screen/ESP32-S3 Brass Wire

by YUMO.BUILDS
YUMO GLOBE

YUMO GLOBE

by YUMO.BUILDS
YUMO PULSE — ESP32-C3 Desk Gadget

YUMO PULSE — ESP32-C3 Desk Gadget

by YUMO.BUILDS
YUMO Roulette — A "Floating" Spinning Desk Gadget

YUMO Roulette — A "Floating" Spinning Desk Gadget

by YUMO.BUILDS
MeArm_Pick_Place

MeArm_Pick_Place

by Luca Fagioli

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If you missed it

  • Hackaday Europe 2026: Playstation 4 To Psychometer

    No comments
  • What’s Mu Metal?

    22 Comments
  • Australia’s Nationwide Phone Outage Was An Embarrassing Failure

    28 Comments
  • Hackaday Europe 2026: PCBs With A Plot

    No comments
  • Anatomy Of An SLA Resin Printing Disaster

    16 Comments
More from this category

Categories

Our Columns

  • PETG: The PLA Filament Alternative That Just Works

    36 Comments
  • Defeating Bacteria In Hot Water Systems With A Heat Exchanger

    64 Comments
  • Hackaday Links: August 30, 2026

    12 Comments
  • Same As It Ever Was

    137 Comments
  • Hackaday Podcast Episode 384: OCR MOD Records, Magical PCBs, And The Gravity Of Space Stations

    1 Comment
More from this category

Recent comments

  • Jared on Creating The Greenest Possible Clothing With Living Fungi
  • Z00111111 on Sliding Into Perfection: The Open Task Light
  • Greg A on Haiku OS Releases Beta 6
  • Dude on ReactOS Gets An Upgrade
  • Greg A on A Defrag Simulator In Your Browser
  • Silent on Sliding Into Perfection: The Open Task Light
  • BT on Creating The Greenest Possible Clothing With Living Fungi
  • CRJEEA on Creating The Greenest Possible Clothing With Living Fungi
  • CRJEEA on A Defrag Simulator In Your Browser
  • Casey Bralla on A Defrag Simulator In Your Browser

Now on Hackaday.io

  • Mike has updated details to Vacuum Tube Computer.
  • Mike has updated components for the project titled Vacuum Tube Computer.
  • Mike has updated the project titled Vacuum Tube Computer.
  • YUMO.BUILDS has updated the project titled YUMO SMART CUBE: Touch screen/ESP32-S3 Brass Wire.
  • YUMO.BUILDS has updated the project titled YUMO GLOBE.
  • YUMO.BUILDS has updated the project titled YUMO PULSE — ESP32-C3 Desk Gadget.
  • YUMO.BUILDS has updated the project titled YUMO Roulette — A "Floating" Spinning Desk Gadget.
  • Eyes on Brickell has added a new project titled Corneal Topography Test in Miami.
  • Shiela Dixon liked The H8 Mini - a 50th Anniversary Heath H8 Computer.
  • Shiela Dixon liked CDP18S030: A Microcomputer in a Briefcase.
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