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Topics /
Hardware & Electronics
The most popular blog posts about hardware & electronics on Hacker News. 4,805 posts.
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Defragging my old Dell's UEFI NVRAM
I’m setting up an old Dell box (2011-era tech). I was migrating to some new boot drives and setting up grub on them again. Got to the point of deleting the old boot entries and adding new ones, and got an error like Could not prepare boot variable: No space left on device. Weird, because there weren’t that many EFI…
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Lisp Badge: A single-board computer that you can program in uLisp
The Lisp Badge is a self-contained computer with its own display and keyboard, based on an ATmega1284, that you can program in uLisp:
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Modeling my Grandpa with 3D Photogrammetry (2021)
Today I released a video about how—and why—I 3D Printed my Grandpa and put him on my bottle of ketchup. Watch it here. I sculpted a bust of my Grandpa in high school, gave it to my grandparents, got it back after he died and my Grandma moved out of her house (I wrote a tribute to my 'Grandpa Charlie'), and I kept on…
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From ASCII to ASIC: Porting donut.c to a tiny slice of silicon
Implementing the famous donut.c animation in actual silicon using CORDIC and ray marching
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However improbable: The story of a processor bug
Processor problems have been in the news lately, due to the Meltdown and Spectre vulnerabilities. But generally, engineers writing software assume that computer hardware operates in a reliable, well-understood fashion, and that any problems lie on the software side of the software-hardware divide.
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Reverse Engineering Yaesu FT-70D Firmware Encryption
This article dives into my full methodology for reverse engineering the tool mentioned in this article. It's a bit longer but is intended to be accessible to folks who aren't necessarily advanced reverse-engineers.
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A Practical Guide to Lasers for Experimenters and Hobbyists
However, many others have contributed in one form or another (newsgroup postings, email, laser parts, etc.). They are cited in the Acknowledgments and/or in the individual sections which contain their material. And, by the way, the name: "Sam's Laser FAQ" was more or less created by those who have read and commented…
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How speakers make sound
Check out Animagraffs on youtube > .
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MINERVA-II1: Successful image capture, landing on Ryugu and hop
MINERVA-II1: Successful image capture, landing on Ryugu and hop!
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Asus Announces October Availability of ProArt Display 8K PA32KCX
ProArt Display 8K PA32KCX arrives in October! Experience 8K HDR with mini LED, 4032-zone dimming, 1200 nits brightness, built-in colorimeter & Thunderbolt 4. Perfect for creators. Subscribe to ASUS Pressroom for the latest tech updates!
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The USB Situation
I write this from the latest MacBook Pro. I've been running this as my primary machine for almost a month. When I'm not grinding out the latest soon-to-be-relea
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Thoughts on Vision Pro
A month ago, I flew from London to NYC, paid $3500 for a Vision Pro headset at Apple Fifth Avenue, and flew back home. I’ve been using it every day since — here’s what I think. My background, for context: I’ve been working in AR for many years. I built...
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Cheap and simple way to mount a smartphone directly above a laptop display
with David Santiano, Deyin Mia Zhang, Xinran Azena Fan, and Yunru Casey Pan, NYU Shanghai; Barak Chamo, New York; Paolo Salvagione…
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A USB Fan Controller that now works under Linux
Relying on the built-in motherboard headers on server grade motherboards to reliably control fans with Linux has been a crapshoot since forever. I'm pleased to report that last summer the Corsair Commander Pro received native Linux kernel driver support in the 5.9 release.
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AlphaQubit: AI to identify errors in Quantum Computers
AlphaQubit is an AI-based decoder that identifies quantum computing errors with state-of-the-art accuracy.
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IoT Nixie Tubes
Every day I make a cup of coffee, organize a list of the things I want to do that day, and try to work through it. Every time I finish one of the tasks, I mark it as complete. By the end of the day, ideally there are no things left on the list, but if there are, I’ll move them into a backlog and start fresh the next…
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An History of Nvidia Stream Multiprocessor
I spent last week-end getting accustomed to CUDA and SIMT programming. It was a prolific time ending up with a Business Card Raytracer running close to 700x faster [1] , from 101s to 150ms. This pleasant experience was a good pretext to spend more time on the topic and learn about the evolution of Nvidia architecture…
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Hidden warning message found in Samsung’s Galaxy tablet
The authoritative information platform for the semiconductor industry. Learn why TechInsights is the most trusted source of actionable, in-depth intelligence to the semiconductor industry.
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The first amateur radio station on the moon
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.