How Hydraulic Ram Pumps Push Water Uphill With No External Power Input

Imagine you have a natural stream running through a low-lying area on your farm. It’s a great source of fresh water, only you really need it to irrigate some crops …read more

On 3D Scanners And Giving Kinects A New Purpose In Life

The concept of a 3D scanner can seem rather simple in theory: simply point a camera at the physical object you wish to scan in, rotate around the object to …read more

FLOSS Weekly Episode 849: Veilid: Be A Brick

This week Jonathan talks with Brandon and TC about Veilid, the peer-to-peer networking framework that takes inspiration from Tor, and VeilidChat, the encrypted messenger built on top of it. What …read more

Lost Techniques: Bond-out CPUs And In Circuit Emulation

These days, we take it for granted that you can connect a cheap piece of hardware to a microcontroller and have an amazing debugging experience. Stop the program. Examine memory …read more

The Hottest Spark Plugs Were Actually Radioactive

In the middle of the 20th century, the atom was all the rage. Radiation was the shiny new solution to everything while being similarly poorly understood by the general public …read more

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3D Printing A Cheap VR Headset

2 Comments
By Lewin Day | October 4, 2025

The modern era of virtual reality really kicked off in earnest just over a decade ago, when the Oculus Rift promised 3D worlds beyond your wildest dreams. Since then, nobody’s …read more
Serial And UPDI Handled Together With One Convenient Circuit

2 Comments
By Lewin Day | October 4, 2025

Sometimes it’s nice when you can do everything you need to do with just one single port. In this vein, [Nicola Strappazzon] whipped up a circuit to combine serial and …read more
How Do The Normal People Survive?

50 Comments
By Elliot Williams | October 4, 2025

It was one of those weeks last week at Hackaday’s home office. My mother-in-law handed me her favorite power bank and said “it’s not charging”. She had every expectation that …read more
A High Resolution ADC From Scratch

4 Comments
By Bryan Cockfield | October 4, 2025

It’s a well-known conundrum that while most computers these days are digital in nature, almost nothing in nature is. Most things we encounter in the real world, whether it’s temperature, …read more
How Your SID May Not Be As Tuneful As You’d Like

6 Comments
By Jenny List | October 4, 2025

The MOS Technologies 6581, or SID, is perhaps the integrated circuit whose sound is most sought-after in the chiptune world. Its three voices and mix of waveforms define so much …read more
Building A Ham Radio Data Transceiver On The Cheap

15 Comments
By Lewin Day | October 3, 2025

Once upon a time, ham radio was all about CW and voice transmissions and little else. These days, the hobby is altogether richer, with a wide range of fancy digital …read more
When USB Charger Marketing Claims Are Technically True

13 Comments
By Maya Posch | October 3, 2025

We have seen many scam USB chargers appear over the years, with a number of them being enthusiastically ripped apart and analyzed by fairly tame electrical engineers. Often these are …read more

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How Hydraulic Ram Pumps Push Water Uphill With No External Power Input

On 3D Scanners And Giving Kinects A New Purpose In Life

FLOSS Weekly Episode 849: Veilid: Be A Brick

Lost Techniques: Bond-out CPUs And In Circuit Emulation

The Hottest Spark Plugs Were Actually Radioactive

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On 3D Scanners And Giving Kinects A New Purpose In Life

The Hottest Spark Plugs Were Actually Radioactive

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Two Decades Of Hackaday In Words

Spy Tech: The NRO And Apollo 11

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How Do The Normal People Survive?

Hackaday Podcast Episode 340: The Best Programming Language, Space Surgery, And Hacking Two 3D Printers Into One

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How Hydraulic Ram Pumps Push Water Uphill With No External Power Input

FLOSS Weekly Episode 849: Veilid: Be A Brick

How Hydraulic Ram Pumps Push Water Uphill With No External Power Input

On 3D Scanners And Giving Kinects A New Purpose In Life

FLOSS Weekly Episode 849: Veilid: Be A Brick

Lost Techniques: Bond-out CPUs And In Circuit Emulation

The Hottest Spark Plugs Were Actually Radioactive

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