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Porting the ThinkPad X61 to Coreboot
An introduction to my IBM/Lenovo ThinkPad addiction Over 10 years ago I got my first ThinkPad x60. I got interested in free software by reading the about GNU …
Topics /
Hardware & Electronics
The most popular blog posts about hardware & electronics on Hacker News. 3,045 posts.
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BIO: The Bao I/O Coprocessor
BIO is the I/O co-processor in the Baochip-1x, a mostly open source 22nm SoC I helped design. You can read more about the Baochip-1x’s background here , or pick up an evaluation board at Crowd Supply .
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Adventures Building a Self-Driving RC Car
Having read some amazing books on Machine Learning, I had been looking for opportunities to apply ML from first principles in the real world. That was what got me curious about the wonderful Donkey Car project. The project is essentially a how-to guide to building your own RC car which can drive itself around a track…
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Adventures in Piano Building
Turning a mouse house into a musical marvel.
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The “high-level CPU” challenge (2008)
Do you love ("very") high-level languages? Like Lisp, Smalltalk, Python, Ruby? Or maybe Haskell, ML? I love high-level languages.
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How do plutonium-powered pacemakers work?
From the highly eclectic blog of Mark Dominus
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Intel Xeon processor with FPGA now shipping
There have been many announcements about what would be the next generation Intel Xeon platform with integrated FPGA, also on this blog. Now Intel has finally announced that they are shipping their …
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DIY Smart Doorbell with a Raspberry Pi
A DIY smart doorbell with a built-in camera, microphone, and speaker. This steampunk-themed design integrates with home assistant and our multi-room audio
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Vibe-Coding a PCB – surprisingly good
I was expecting this to be pretty bad - but it actually came out quite nicely!
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New chips for machine intelligence
This note summarises details of some of the new silicon chips for machine intelligence. Its aim is to distil the most important implementation and architectural details (at least those that are currently available), to highlight the main differences between them. I’m focusing on chips designed for training since they…
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Reverse Engineering a Real Candle
Two years ago, I spent some time analyzing the algorithm used in a candle flicker LED as commonly found in cheap artificial candles. I reverse engineered the algorithm from the flickering pattern…
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Help Make “The Essential Guide to Electronics in Shenzhen” a Reality
Readers of my blog know I’ve been going to Shenzhen for some time now. I’ve taken my past decade of experience and created a tool, in the form of a book, that can help makers, hackers, and entrepreneurs unlock the potential of the electronics markets in Shenzhen. I’m looking for your help to enable a print run of this…
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Hardware hotplug events on Linux, the gory details
Maybe the code shouldn't be the only documentation?
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I use a Raspberry Pi as my daily computer
For over a year now, I use a Raspberry Pi 4 (with 8GB of RAM) as my daily desktop computer. I browse the internet, read and send e-mails, program software, edit photos, create images, watch Youtube videos and play games on it. Without any significant problems.
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The M2 is more advanced than it seemed
Apple’s M2 chip uses a newer version of the CPU core instruction set. This increases its capability, thus how well it will cope with future apps and macOS, compared with the M1.
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Apple fucked us on right to repair (again)
Right to repair has no cannier, more dedicated adversary than Apple, a company whose most innovative work is dreaming up new ways to sneakily sabotage electronics repair while claiming to be a caring environmental steward, a lie that covers up the mountains of e-waste that Apple dooms our descendants to wade through.
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Yes, you can play Duck Hunt without a television (but I can't)
Duck Hunt is considered a classic of the Nintendo Entertainment System. But surprisingly, the concept of hunting ducks did not originate in 1984– people have...
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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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Making a Menger sponge in stained glass
Over the course of six weeks in January and February 2019, I took an introduction to stained glass course from Olivia Vavroch at Vavroch Glass Studio in north Portland, OR.
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Reverse Engineering the PLA Chip in the Commodore 128
As I mentioned in my last post I’ve been working on reverse engineering the PLA chip in the C128. I’m now mostly done with this process so I think it’s time to share some of the findings.
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Get eyes in the sky with your Raspberry Pi
Learn how to use your Raspberry Pi and a cheap USB TV tuner stick to start tracking flights overhead - up to 250 miles away from your location.
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Why the Apple II Didn’t Support Lowercase Letters
Adventures in vintage computers and retrogaming. Includes articles on classic games and obsolete computers.
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What you need to know about EMP weapons
Content copyright © 1995 - 2025 to Bruce Simpson (aka Aardvark), the logo was kindly created for Aardvark Daily by the folks at aardvark.co.uk
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Thanks Mr. Jobs, But it Seems I Can Use a Linux Laptop Now
So, back in 1997 I installed my first copy of FreeBSD. I had to do some major research to get X Windows up and running, and the next computer I bought I very carefully selected a video card to make things easier. I was happy, I was able to use gcc, but getting online via