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New
The latest blog posts to take off on Hacker News. 4,807 posts.
Hardware & Electronics
Any year
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Benchmarking Cheap SSDs for Fun, No Profit
The price of Solid-state drives (SSDs) has dropped significantly over the last few years. It's now possible to buy a 1TB solid-state drive for less than €60. However, at such low price points, there is a catch.
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Arduino Uno R4
The history of making is now ready for the future
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The Odd Story of Factory-Downgraded 486s (2020)
Counterfeits CPU were very common in the mid-90s. The worst period was between 1993 (just after the launch of the Intel 486 DX2) and 1998 (when the Pentium II started to be multiplier-locked). It was extremely easy for tricksters to remove the original marking and reprint another one with a higher f
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Reverse-engineering the Globus INK, a Soviet spaceflight navigation computer
One of the most interesting navigation instruments onboard Soyuz spacecraft was the Globus INK, 1 which used a rotating globe to indicate...
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Comparing Hobby PCB Vendors
An not-for-profit roundup of affordable PCB manufacturers. Originally published in 2023 and last updated January 2026.
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Unpopular Opinion: Don’t Use a Raspberry Pi for That
A Raspberry Pi is great if you have a need for which it excels. GPIO, extremely low power requirements, tight space constraints. But the Pi should not be the first thing you reach for when “U…
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DIY Nitrogen TEA Laser (2020)
Abstract : in the cover image the homebuilt TEA nitrogen laser in use at PhyscsOpenLab. The entire l
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Reverse-engineering the multiplication algorithm in the Intel 8086 processor
While programmers today take multiplication for granted, most microprocessors in the 1970s could only add and subtract — multiplication r...
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Using a Raspberry Pi to add a second HDMI port to a laptop
A step-by-step tutorial you can follow along, featuring ffmpeg, xrandr, tcpdump and a dhcp server running on a Raspberry Pi
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Generating aerial imagery with your iPhone's Lidar sensor
This technical guide details how you can create your own aerial imagery and 3D models of streets with the built in iPhone LiDAR sensor and open source tools in the OpenDroneMap package.
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Framework 12th gen laptop review
anarcat
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Repairing a tiny ribbon cable inside a 28 year old IBM ThinkPad 701c
I'm in the middle of turning two badly treated IBM ThinkPad 701CS machines (the ones with the lovely unfolding keyboard) into a single, wor...
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Knots smaller than human hair make materials unusually tough
A micro-architected material made from tiny knots proves tougher and more durable than unknotted counterparts.
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Disambiguating Arm, Arm ARM, ARMv9, ARM9, ARM64, AArch64, A64, A78, ...
If you’re new to the Arm ecosystem, consider this a quick primer on terms you likely have seen before but might have questions about.
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How to start a rocket engine
This article answeres the questions of how to start a rocket engine and takes you on a deep dive into spark plugs, torch ignitors and more.
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The Quest for Netflix on Asahi Linux
Note: If you're here because you just want to watch Netflix on Asahi, install this (Edit: for Arch users, grab this . Fedora users can install the widevine-installer package), and then scroll down to the "Netflix-Specific Annoyances" section.
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Physical Knobs and Elixir
I like production gear. Audio, video and .. miscellaneous. I like things that seem like they'll make me oh-so-very productive. I'm a sucker prosumer as a hobby. Let's talk about Elgato, Elixir and why I never actually get anything done. This is unfortunately not sponsored by a prosumer brand, or anyone, that'd have…
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The threat on your desk: Building an evil USB-C dock
BadUSB attacks have been a threat for years, but is the USB-C dock sitting on your desk the latest threat in disguise?
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Infra-Red, in Situ (Iris) Inspection of Silicon
Cryptography tells us how to make a chain of trust rooted in special-purpose chips known as secure elements. But how do we come to trust our secure elements? I have been searching for solutions to this thorny supply chain problem . Ideally, one can directly inspect the construction of a chip, but any viable inspection…
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Reverse-engineering the electronics in the Globus analog navigational computer
In the Soyuz space missions, cosmonauts tracked their position above the Earth with a remarkable electromechanical device with a rotating ...
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The Grind a Day: thousands of Apple II floppy disks archived
4am doesn’t suffer fools, or repetition. Or mysteries. Focused out of nowhere on tinkering with an Apple II a number of years back, they re-learned the whole of how the unique floppy disk sys…
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How the C64 Keyboard Works (2017)
I'm almost ashamed to admit it, but just 1 year ago when I started working on C64 OS, I didn't have the first clue how the C64 Keyboard worked. I knew there was a thing called the keyboard buffer, but I had cloudy thoughts of it being inside the keyboard itself. When I had to actually write the keyboard scanning…
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ARM64 Linux Workstation
My personal website and blog
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RISC-V Business: Testing StarFive's VisionFive 2 SBC
It's risky business fighting Intel, AMD, and Arm, and that's exactly what Star Five is trying to do with this: The chip on this new single board computer could be the start of a computing revolution—at least that's what some people think! The VisionFive 2 has a JH7110 SoC on it, sporting a new Instruction Set…