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Exploring How Cache Memory Works
Even though we often hear terms like L1, L2, cache block size, etc., most programmers have a limited understanding of what cache really is. This is a beginner-friendly primer on how cache works.
Topics /
Hardware & Electronics
The most popular blog posts about hardware & electronics on Hacker News. 150 posts.
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Is it okay to daisy chain a UPS?
Is it OK to daisy chain UPSs? Let’s look at a few reasons this is a common question and alternative approaches that can better address the target.
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How to Determine the Error of an Air Quality Sensor?
How to calculate sensor error, compare measurements, and use metrics like RMSE to judge air quality sensor performance.
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Intel Reports Second Quarter 2024 Financial Results
SANTA CLARA, Calif.--(BUSINESS WIRE)-- Intel Corporation today reported second-quarter 2024 financial results.
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C-Motive's electrostatic motors use printed circuit boards instead of magnets
Simple, efficient torque C-Motive’s motors are engineered to provide silent, maintenance-free, and high-efficiency torque for stationary industrial applicat ...
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MK1 Flywheel Unlocks the Full Potential of AMD Instinct for LLM Inference
AMD acquires MK1, welcoming their world-class team and marking another key milestone in our strategy to advance AI performance and efficiency.
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Speaking without vocal cords, thanks to a new AI-assisted wearable device
The adhesive neck patch is the latest advance by UCLA bioengineers in speech technology for people with disabilities.
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Conical Slicing: A different angle of 3D printing
Conical slicing tilts the layers into cones instead of stacking flat planes, which lets you print steep overhangs without support. The catch is your printhead.
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Rust is rolling off the Volvo assembly line
In my job I get to speak to lots of people about Rust. Some are just starting out, some have barely ever heard of it, and then some people are running Rust silently in production at a very large company in a very serious product.
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Pine64 March update: making waves
Long awaited community update is here! Introducing PineVox and bone conduction headset (help us find a name!), IronOS progress, PineNote insights, and PineTime news! We also cover cluster failure, state of services, and the future of the community updates. See you in the upcoming Q&A!
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Intel: New Core Ultra Processors Deliver Breakthrough Performance
Intel Core Ultra 200V series processors offer outstanding AI performance, compatibility and power efficiency at scale to leading laptop manufacturers.
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New iPad Pro with M4 chip and Apple Pencil Pro
The groundbreaking new iPad Pro features a stunningly thin and light design, taking portability and performance to the next level.
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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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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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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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Particle accelerators for the microchip era
Swinging for the fencesThe term “particle accelerator” might lead most people to envision long underground tunnels stretching tens of kilometers and rooms full…
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20% more powerful perovskite solar panels enter commercial use
05 Sept 2024 — Oxford PV, a global leader in next-generation solar, has started the commercialisation of their record-breaking tandem solar technology with the first shipment to a U.S.-based customer.
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AI-Powered Nvidia RTX Video HDR Transforms Standard Video into HDR Video
RTX Video HDR — first announced at CES — is now available for download through the January Studio Driver.
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ESP32-C61: Delivering Affordable Wi-Fi 6 Connectivity
ESP32-C61 marks Espressif's response to a significant demand for Wi-Fi 6 technology, offering optimized peripherals, improved connectivity, and increased memory options.
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Pixel Watch 3
Pixel Watch 3, the latest version of our flagship smartwatch, offers a stunning design combined with even better performance.
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Creating a low-cost EV charging station with Arduino
Creating a low-cost EV charging station with Arduino: see how a maker built a smart charger for electric vehicles.
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FlipperZero: Our Response to the Canadian Government
In just a few years, Flipper Zero has become so popular that it’s now surrounded by many myths. It’s no wonder that people in power are trying to make Flipper Zero illegal. As you might have seen in the news, the Canadian government plans to ban Flipper Zero
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Building a 3D safety sensor with Rust
Grab your biggest mug of coffee and learn how the open-source programming language Rust supercharges our development time of the breakthrough Sonair 3D ultrasonic sensor. Claim to fame: Sonair is on track to be among the first to deploy a safety-certified Rust implementation.
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MIT engineers design tiny batteries for powering cell-sized robots
A zinc-air microbattery designed by MIT engineers could enable the deployment of cell-sized, autonomous robots for drug delivery within in the human body, as well as other applications such as locating leaks in gas pipelines.
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What is DECT-2020 New Radio (NR), and how big a deal is it? (2021)
Is it fair to describe DECT-2020 NR as a 5G wireless technology at all?
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Researchers Create First Functional Semiconductor Made from Graphene
Researchers at the Georgia Institute of Technology have created the world’s first functional semiconductor made from graphene, a single sheet of carbon atoms held together by the strongest bonds known. Semiconductors, which are materials that conduct electricity under specific conditions, are foundational components…
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Battery-free self-powered sensor harvests magnetic energy
MIT researchers designed a self-powering, battery-free, energy-harvesting sensor. Using the framework they developed, they produced a temperature sensor that can harvest and store the energy from the magnetic field that exists in the open air around a wire.
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