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LoRa: Field Testing Antennas
Learn about three different antennas carried by SparkFun, and determine which will suit your long-range needs!
Topics /
Hardware & Electronics
The most popular blog posts about hardware & electronics on Hacker News. 1,766 posts.
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Minstrel ZX80 Clone
Here is a new ZX80 clone that I have called the Minstrel. It is a fairly accurate clone electrically to the ZX80, using the same chips and ...
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Seagate Barracuda Ramp Weakness (2016)
During a recent RAID 5 recovery attempt, John made an interesting discovery inside the two failed disks. The plastic ramp that the heads park onto when idle had snapped in the same position on both drives. We don’t know if the heads got damaged first, and then broke the ramps during parking, or if the […]
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Xen on Raspberry Pi 4
The Xen Project is excited to share that the Xen Hypervisor now runs on Raspberry Pi. This is an exciting step for both hobbyists and industries. Read more to learn about how Xen now runs on RPi and how to get started. Written by Stefano Stabellini and Roman Shaposhnik, originally
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SLAC researchers find proof of altermagnetism, a new magnetic phase
The team is the first to directly observe a unique property in an altermagnetic candidate material, key evidence of a new phase of magnetism.
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Mixed Reality gone in Windows 11 Insider Preview Build 26052
UPDATE 2/9: Added an important known issue for Dev Drive users. Please see the known issues below. Hello Windows Insiders, today we are releasing Windows 11 Insider Preview Build 26052 to the Canary
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GTX 1080s: Testing a Legend
Welcome to LTT Labs - your go-to destination for all things tech. Explore comprehensive test results, insightful commentary, and the latest analysis in hardware.
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A Cloud-Scale Acceleration Architecture: FPGAs in Microsoft’s Datacenters
A hyperscale Configurable Cloud architecture using FPGAs to efficiently accelerate networking and applications with a distributed fabric in the data center.
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Oculus to Acquire Carbon Design Team
We’re thrilled to announce that we’ve agreed to acquire the Carbon Design team, one of the premier industrial design and product engineering...
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Neumann Drive: A Pulsed Cathodic Arc Thruster for Spacecrafts
Your Content Goes Here THE NEW STANDARD FOR IN-SPACE PROPULSION Our Products The Neumann Drive’s superior electric propulsion system doesn’t just focus on performance; it covers the full mission lifecycle. Our product range covers CubeSat, SmallSat and specific client requirements. Simple, solid-state, robust design…
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Extracting Bitlocker Keys from a TPM
Extracting BitLocker keys sealed with a TPM by sniffing the LPC bus
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How to talk to your parents about hardware memory safety
Some conversations are difficult to have with members of older generations who grew up with different social norms. In particular, when you’re talking to people who grew up with PDP-11s with their completely flat memory, or Lisp machines or Burroughs Large Systems with their deeply opinionated and language-integrated…
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TPU v4 provides exaFLOPS-scale ML with efficiency gains
A new paper describes how Google’s Cloud TPU v4 outperforms TPU v3 by 2.1x on a per-chip basis, and improves performance/Watt by 2.7x.
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Exploiting zero days in abandoned hardware
We successfully exploited two discontinued network devices at DistrictCon’s inaugural Junkyard competition in February, winning runner-up for Most Innovative Exploitation Technique. Our exploit chains demonstrate why end-of-life hardware poses persistent security risks.
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Features and Benefits of Bluetooth Mesh 1.1 for Wireless Mesh Networking
Commercial and industrial applications like lighting require large-scale, low-power device networks where thousands of devices need to communicate with one another efficiently, reliably and securely.
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Reversing the AMD Secure Processor (PSP) – Part 2: Cryptographic Co-Processor
Part one: https://dayzerosec.com/blog/2023/04/17/reversing-the-amd-secure-processor-psp.html This is a follow-up part 2 to my previous post on the AMD Secure Processor (formerly known as the Platform Security Processor or "PSP"). In that post, I mentioned that the Cryptographic Co-Processor (CCP) is an essential…
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Project Zipline – High-throughput low-latency compression
The Open Compute Project (OCP) Global Summit 2019 kicks off today in San Jose where a vibrant and growing community is sharing the latest in innovation to make hardware more efficient, flexible, and scalable.
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The Joy of Dumping
These are 80's-era erasable programmable read-only memories, or EPROMs. They were an immensely popular way to store firmware for embedded systems when the
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Robot hand could harvest blackberries better than humans
The soft robotic gripper developed at the U of A received a U.S. patent.
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Facebook demonstrates record-breaking data rate using millimeter-wave technology
Visit the post for more.
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Newly observed optical state could enable quantum computing with photons
MIT and Harvard physicists have created a new form of light that could enable quantum computing with photons.
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Raspberry Pi Zero 2 W external antenna mod
We've barely scratched the surface of the Pi Zero 2's capabilities. [Brian Dorey] shows us how to hack your Pi's WiFi and improve its performance. A u.FL footprint can be discovered in line with the onboard WiFi antenna, implying that someone had to connect an external antenna.
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Light without electricity? Glowing algae could make it possible
CU Boulder researchers have developed 3D-printable materials embedded with living bioluminescent algae that can produce sustained light.
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Offline-Pedia converts old televisions into Wikipedia readers (2018)
There are villages in the Ecuadorian Andes that are so small you cannot find them on a map. Cajas Juridica is one such place, located just 13km north of the equator. But two engineering students, Joshua Salazar and Jorge Vega, and the staff of Yachay Tech University have figured out a way to give discarded….
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555 Timer footstool
The succinct story of a modest little footstool– involving datasheets, cnc routing, laser engraving, plywood, glue, chips, all-thread, angle grinders, mountains of sawdust, dowel rods, spray paint, and a picture of a cat.