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Can Repelling Magnets Replace the Spring in a Pogo Stick?
Discover if magnets can replace springs in pogo sticks in our latest exploration of magnetic repulsion and mechanical innovation.
Topics /
Hardware & Electronics
The most popular blog posts about hardware & electronics on Hacker News. 258 posts.
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Librem5 Hardware Update
Purism makes premium phones, laptops, mini PCs and servers running free software on PureOS. Purism products respect people's privacy and freedom while protecting their security.
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LibreRouter: Powering community networks with free and open hardware
The LibreRouter project has developed an open source, open hardware router, customized to the needs of community-run networks.
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My Own Car System, Rear Camera, Offline Maps and Routing with Go
This is my journey building an open source car system with Go & Qt, rear camera, live OpenGL map … Cross compilation In Part I, I had to patch qtmultimedia for the camera to work, but Qt compilation is resource hungry, same goes for the osrm compilation, the memory of the Raspberry Pi is too small. I had to to set up…
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USB Reverse Engineering: Down the Rabbit Hole
Thanks for the featured writeup Hackaday! Make sure to check out the comments over there as well. Looks like Hackernoon picked it up as well, make sure to check in with the comments there too. It would be great if you could also head over to Hacker News, give an upvote, and join in the comments there. Let's get this…
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Self-healing material can build itself from carbon in the air
A new material developed at MIT can mimic plants by taking carbon dioxide from the air and turning it into a useful solid material, potentially helping in the battle against global climate change.
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YubiKey 5 Series with New NFC and FIDO2 Passwordless Features
Learn more about what's happening within the tech and cybersecurity industry and the developments in our business and security keys within our Yubico Blog.
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Building a Lightroom PC
Why I switched to Windows 10 from macOS and built a water-cooled and overclocked 5.2GHz 6-core PC for photo editing with Adobe Lightroom Classic CC.
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Raspberry Pi microSD card performance comparison
Back in 2015, I wrote a popular post comparing the performance of a number of microSD cards when used with the Raspberry Pi. In the intervening three years, the marketplace hasn't changed a ton, but there have been two new revisions to the Raspberry Pi (the model 3 B and just-released model 3 B+). In that article, I…
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Looking Glass – A new type of holographic interface
The holographic display of the future is here and you can have one on your desk for under $600. Ever since I saw Princess Leia appealing to Obi Wan that
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Implementing FizzBuzz on an FPGA
I recently started FPGA programming and figured it would be fun to use an FPGA to implement the FizzBuzz algorithm. An FPGA ( Field-Progra...
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Dell XPS 13 Review from a lifelong Mac user
I've used Macs as my primary computing devices my entire life. And though I continue to use a Mac for my primary workstation for both work and personal projects, my use of computers has evolved in the past few years quite a bit. With more of my stuff moving into the cloud and fewer software applications being…
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A manufacturing process that produces long strips of high-quality graphene
MIT engineers have developed a scalable manufacturing process that spools out strips of graphene for use in ultrathin membranes.
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Facebook abandons Aquila, its internet drone
Today nearly 4 billion people globally do not have access to the Internet. It’s why Facebook, along with many other companies and governments, is investing heavily to address the three key ba…
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Researchers have developed a water-based battery to store solar and wind energy
Stanford scientists have developed a manganese-hydrogen battery that could fill a missing piece in the nation’s energy puzzle by storing wind and solar energy for when it is needed, lessening the need to burn carbon-emitting fossil fuels.
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Librem 5 dev kits are shipping
Purism makes premium phones, laptops, mini PCs and servers running free software on PureOS. Purism products respect people's privacy and freedom while protecting their security.
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NEON is the new black: fast JPEG optimization on ARM servers
Cloudflare's jpegtran implementation was optimized for Intel CPUs. Now that we intend to integrate ARMv8 processors, new optimizations for those are required.
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If you watch closely enough, everything is a speaker
Using high speed cameras, it’s possible to record the vibrations of everyday objects caused by nearby sounds and reverse engineer the sounds…essentially turning
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Cloud TPUs in Beta
Starting today, Cloud TPUs are available in beta on Google Cloud to help machine learning (ML) experts train and run their ML models more quickly.
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XPS 13 developer edition 7th generation available
-> Updated June 22, 2018 – Three 16GB/FHD configs added to the line up in the US -> Updated Jan 26, 2018 – Added list of countries that offer the XPS 13 developer edition offline.…
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New Lower-Cost, AMD-Powered M5a and R5a EC2 Instances
From the start, AWS has focused on choice and economy. Driven by a never-ending torrent of customer requests that power our well-known Virtuous Cycle, I think we have delivered on both over the years: Choice – AWS gives you choices in a wide range of dimensions including locations (18 operational geographic regions, 4…
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Microsoft announces Surface Go
Today, Microsoft announces Surface Go: the most portable and affordable Surface product yet.
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Using USB-VGA dongles as SDR transmitter
Yesterday, during OsmoDevCon 2018, Steve Markgraf released osmo-fl2k, a new Osmocom member project which enables the use of FL2000 USB-VGA adapters as ultra-low-cost SDR transmitters. How does it wor
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Xerox Alto zero-day: cracking disk password protection on a 45 year old system
We've been archiving a bunch of old Xerox Alto disk packs from the 1970s. A few of them turned out to be password-protected, so I needed ...
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Battery breakthrough: Double performance lithium battery that doesn’t catch fire
ANN ARBOR—A rechargeable battery technology developed at the University of Michigan could double the output of today’s lithium ion cells—drastically extending electric vehicle ranges and time between cell phone charges—without taking up any added space. By using a ceramic, solid-state electrolyte
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Why has CPU frequency ceased to grow? (2014)
A portfolio of HPC tools help data scientists, researchers, and developers efficiently build cross-architecture applications.
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LibrePCB: First stable release published
The stable release 0.1.0 is out! Since the release candidate 0.1.0 RC2 three weeks ago, no critical bugs were reported, so we decided to finally publish the stable release 0.1.0. The changelog compared to 0.1.0 RC2 is very short: Changelog Library Editor: Fix saving of library URL Fix saving of component property…