New Parts, New Hacks

The biggest news this week is that Raspberry Pi is no longer synonymous with single-board Linux computers: they’re dipping their toes into the microcontroller business with their first chip: the RP2040, and the supporting breakout board, the Pico. It’s an …read more

Meet The Magic Eye Vacuum Tube

Vacuum tubes ruled electronics for several decades and while you might think of them as simple devices analogous to a transistor or FET, there were many special types. We’re all familiar with nixie tubes that act as numeric displays, and …read more

Hackaday Podcast 102: Raspberry Pi Microcontroller, Microphone Killswitch, And A 45-Degree 3D-Printer

Hackaday editors Elliot Williams and Mike Szczys sift through a week of excellent hacks. Big news is of course the Raspberry Pi microcontroller which Elliot had a few weeks to play around with on the bench before the announcement — …read more

This Week In Security: OpenWRT, Favicons, And Steganographia

OpenWRT is one of my absolute favorite projects, but it’s had a rough week. First off, the official OpenWRT forums is carrying a notice that one of the administrator accounts was accessed, and the userlist was downloaded by an unknown …read more

A Few Of My Favorite Things: Amateur Radio

Hackaday has among its staff a significant number of writers who also hold amateur radio licenses. We’re hardware folks at heart, so we like our radios homebrew, and we’re never happier than when we’re working at high frequencies.

Amateur radio …read more

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What’s The Deal With Chromium On Linux? Google At Odds With Package Maintainers

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By Tom Nardi | January 26, 2021

Linux users are more likely than most to be familiar with Chromium, Google’s the free and open source web project that serves as the basis for their wildly popular Chrome. Since the project’s inception over a decade ago, users have …read more
3D Printed Box Gets Bigger

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By Al Williams | January 26, 2021

If you ever watched Dr. Who, you probably know that the TARDIS looked like a police call box on the outside, but was very large on the inside. When asked, the Doctor had some explanation of how something can look …read more
Custom Bite Sensor Replaces Keyboard Expression Pedal

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By Lewin Day | January 26, 2021

Sometimes, standard hardware won’t do when it comes to the differently abled. [Ben Krasnow] found himself recently working on a project for a musician who doesn’t have the use of his legs, and thus needed to create a new interface …read more
Steam Engine Replica From LEGO

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By Bryan Cockfield | January 25, 2021

If engineering choices a hundred years ago had been only slightly different, we could have ended up in a world full of steam engines rather than internal combustion engines. For now, though, steam engines are limited to a few niche …read more
Avoiding PCB Crosstalk

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By Al Williams | January 25, 2021

Now that it is relatively cheap and easy to create a PCB, it is a common occurrence for them to be used in projects. However, there are a lot of subtleties to creating high-performance boards that don’t show up so …read more
How To Run Alternative Batteries On The DJI Mavic Mini

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By Lewin Day | January 25, 2021

Rechargeable batteries are ubiquitous these days, freeing us from the expense and hassle of using disposable cells. However, this has come with the caveat that many manufacturers demand their equipment only be used with their own official batteries. [aeropic] wasn’t …read more
Buzzer Does Input And Output

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By Al Williams | January 25, 2021

Piezo elements have the useful property of being bidirectional; that is they can move when you apply electricity to them, but they can also generate electricity when you move them. [Carl] takes advantage of this fact to make buttons that …read more