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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

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  • Writing An ESP32 Bluetooth Printer Driver In Two Acts

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    By Tom Nardi | September 14, 2026

    [Bas BotBerg] wanted to use a portable Bluetooth thermal printer to run off reports on sensor data collected by an ESP32-C3 microcontroller. But as is so often the case these …read more

  • How High-Voltage Current Transformers Monitor The Grid

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    By Maya Posch | September 14, 2026

    Being able to monitor voltages and currents is essential for many applications, with the national electrical grid being no exception. The obvious complication here is that the voltages and currents …read more

  • A UPS For Your Pi That’s A Little Different

    5 Comments

    By Jenny List | September 14, 2026

    There are many uninterruptible power supply (UPS) solutions for the Raspberry Pi that take the form of HATs with a battery on board, but they’re not suitable for every situation. …read more

  • Pulse: A New VHDL Simulator

    2 Comments

    By Maya Posch | September 14, 2026

    With VHDL being arguably more deterministic and bullet-proof than Verilog, it’s good to see another open source VHDL simulator joining the fray that is not a variation of ghdl. Written …read more

  • Hackaday Europe 2026: Space Oddities

    1 Comment

    By Zoe Skyforest | September 14, 2026

    If you’re in motorsport, or maritime, or mining fields, you can always call on a technician to come down and fix something when it’s broken. You can lay hands on …read more

  • Fly Brain Connectome Used To Trade Stocks And Play Games

    13 Comments

    By Maya Posch | September 14, 2026

    Recently researchers finished mapping the central nervous system (CNS) connectome of not just the female Drosophila melanogaster (i.e. fruit fly) brain, but also that of the male D. melanogaster for a comparative …read more

  • Rosy Retrocomputing

    17 Comments

    By Al Williams | September 14, 2026

    Most of us are guilty of romanticizing the past. Do you long to be the captain of a tall ship? Just as long as you don’t mind weevils in your …read more

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  • Rosy Retrocomputing

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

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  • Hunting The Wild Vibrotruck

    44 Comments
  • Hackaday Europe 2026: Outdoors With Robots

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

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  • Hackaday Europe 2026: Space Oddities

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  • Hackaday Links: September 13, 2026

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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

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

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

by YUMO.BUILDS
A working DIY atomic force microscope

A working DIY atomic force microscope

by Luis Mestre
Web UART Terminal - Easy to use

Web UART Terminal - Easy to use

by Aleksei Tertychnyi
RHYTHM

RHYTHM

by Mithilesh Gupta Konda
8-bit Workbench ED: hands-on with number systems

8-bit Workbench ED: hands-on with number systems

by Nijssen
Integrive-100: MIMO SDR Platform

Integrive-100: MIMO SDR Platform

by Jayoung Oh

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If you missed it

  • Rosy Retrocomputing

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

    24 Comments
  • Hunting The Wild Vibrotruck

    44 Comments
  • Hackaday Europe 2026: Outdoors With Robots

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

    68 Comments
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  • Hackaday Europe 2026: Space Oddities

    1 Comment
  • Hackaday Links: September 13, 2026

    7 Comments
  • 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

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  • P on CircuitPython Goes Turbo With Precompiled Functions
  • Astro Jetson on A 386 PC For Your RP2350
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  • Aaron E on Fly Brain Connectome Used To Trade Stocks And Play Games
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  • YUMO.BUILDS has updated the project titled YUMO SMART CUBE: Touch screen/ESP32-S3 Brass Wire.
  • Sebastien liked Building a Real-World SDR.
  • Paul has updated the project titled A Ready-to-Use Home Assistant Wall Panel on ESP32.
  • Paul has added details to A Ready-to-Use Home Assistant Wall Panel on ESP32.
  • Paul has updated components for the project titled A Ready-to-Use Home Assistant Wall Panel on ESP32.
  • scottiebaer liked Sensing spider prank (3D print Edition).
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