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Hardware & Electronics
The most popular blog posts about hardware & electronics on Hacker News. 164 posts.
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The Ploopy A+ Trackball Is Here
Three years ago, we released the design for the Adept, a unique trackball perfectly suited for the use of QMK, for 3D-printing, and for ambidextrous use across a wide variety of applications.
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Nvidia Cosmos 3
Physical AI systems must understand the real world before they can act within it. Robots, autonomous vehicles, and smart spaces need to understand what’s happening in their world…
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VHDL's Crown Jewel
How VHDL preserves determinism In this post, I would like to talk about VHDL’s crown jewel: how it preserves determinism in a concurrent language. Here is a figure of how it works:
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Heart aerospace completes first flight of largest electric aircraft
Heart Aerospace’s X1 demonstrator became the world’s largest battery-electric aircraft ever flown, demonstrating electric flight at airliner scale and advancing development of the ES-30.
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OpenAI and Broadcom unveil LLM-optimized inference chip
OpenAI and Broadcom introduce Jalapeño, a custom AI chip built for LLM inference to improve performance, efficiency, and scale across AI systems.
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Puget Systems Most Reliable Hardware of 2025
We look back at our records for 2025 to highlight specific brands and models of workstation computer components that we found to be exceptionally reliable.
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A look under our trunk: what's in our compute
Compute is the brain of the Waymo Driver, translating raw sensor data into real-time driving commands. Operating demonstrably safe, physical AI on the road demands a fundamental shift towards a system engineered for deterministic, low-latency performance. Over the past decade, we have co-designed our hardware…
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SIMD in the 90s: Programming Intel's Pentium MMX
If you used PCs in the 90s, you probably remember the 'Intel Inside MMX' stickers. This article explores Intel's major attempt at bringing SIMD instructions to mainstream desktop CPUs.
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Tesla Wall Connector bootloader bypasses the firmware downgrade ratchet
Exploiting the Tesla Wall Connector from its charge port connector -
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Previewing the Model Hardware Standard
Anthropic is opening a research preview of the Model Hardware Standard (MHS), a shared specification for AI agents to safely operate physical devices, to a first group of scientific research labs and advanced manufacturers.
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What is RISC-V and why it matters to Canonical
In this blog I will look at some of the drivers for the growth of RISC-V, its value proposition and explain why supporting RISC-V is important to Canonical. […]
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Boards of Casio
While working away on the CZP-1 , which was at least initially an effort to create a Casio CZ-101 on a web page I happened to see this YouTube video by oliveoil22:
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OpenTitan Shipping in Production
Google has worked with the open source communities to build OpenTitan, the first open source silicon Root of Trust (RoT).
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ZX Spectrum Next Laptop
Having created a laptop style case for my ZX Spectrum Next dev board previously, I wanted to re-visit the idea of a Spectrum laptop and address some of the issues faced in the previous version.
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A laser-based process that enables adhesive-free paper packaging
Paper packaging offers a number of advantages over its plastic counterparts: It has a high recycling rate, lower CO₂ emissions, and lower disposal costs. However, it cannot yet be sealed without adhesives or layers of plastic—a disadvantage for manufacturing and recycling processes. In the PAPURE project, four…
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Samsung demonstrates 3D stacked FETs with triple nanosheet channels at 42nm
Samsung Electronics' Semiconductor Research Center presented the paper “First Demonstration of 3D Stacked FETs at Gate Pitch of 42 nm Featuring Triple Stacked Nanosheet Channels for Advanced Logic Applications” at the 2026 VLSI Symposium, held from June 14–18.
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Discovery of Cold War-era rare Eastern Bloc computers in a German hangar
In 2006, CHM curators traveled to Germany to follow a lead on an abandoned collection of historical computing artifacts. In a three-story warehouse, they found a real-world timeline of computing history. After days of exploring and assessing, they brought back nearly 2,000 items for the permanent collection.
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thunderbolt-ibverbs: We have InfiniBand at home
Linux kernel experiments implementing IB verbs over consumer Thunderbolt/USB4 hardware to give cheap mini-PCs high-performance RDMA suitable for cluster inference.
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Delidded Intel I9-14900KS CT Scan
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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Intel Core Ultra Series 3 Debut as First Built on Intel 18A
Intel ushers in the next generation of AI PCs with exceptional performance, graphics and battery life; available this month
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Can you reverse engineer an ASIC?
Earlier this year we published a puzzle that handed you a complete neural network and asked you to figure out what it did. The response was great, so we’ve made another one! This time, we’re going much deeper down the tech stack.
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Exploring the ocean with Raspberry Pi–powered marine robots
Pushing affordable marine conservation forward with autonomous marine robots powered by Raspberry Pi Compute Module 4.
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What happens when a GPU reads memory
Following an LDG.E SASS instruction through the hardware units in an RTX 4090.
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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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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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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.