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How to build a 50k ton forging press
In the late 1940s and early 1950s, a revolution took place in American military aircraft design.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 463 posts.
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Why do electronic components have such odd values? (2021)
If you've been around electronics for a while, you've probably noticed that components like resistors, capacitors, zener diodes and inductors come in some odd values. Looking at the chart above, there seems to be no clear rationale behind the values, but there is a pattern. 47kΩ resistors and 22μF capacitors are…
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Testing the F-35C Tailhook
Welcome to the blog. As a way to kick things off, here’s a single-page version of my thread on the F-35C tailhook.
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Build a Low-Cost Drone Using ESP32
Use ESP32 to build a budget-friendly drone from scratch.
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Making USB devices – end to end guide to your first gadget
Introduction to implementing USB devices. Minimal overview of hardware and software with an example with STM32 microcontroller. Also contains an index to very detailed guides for more information.
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Homemade 6 GHz pulse compression radar
Designing a modern pulse compression radar that uses digital signal processing.
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Intel Gaudi 3 AI Accelerator
Intel Gaudi 3 AI accelerator brings global enterprises choice for generative AI, building on the performance and scalability of its Gaudi 2 predecessor.
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New 13- and 15‑inch MacBook Air with M3 chip
Apple today announced the new MacBook Air with the powerful M3 chip, taking its power-efficient performance and portability to a new level.
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Reverse engineering a car key fob signal
I’ve had the curiosity to explore radio communication protocols for a few years now, ever since I’ve started fiddling around with an RTL-SDR dongle. I always had the goal of figuring out how data is transmitted in remote controls (car key fobs particularly), trying replay attacks, and other possible attack vectors.
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Llama 3.1 405B now runs at 969 tokens/s on Cerebras Inference
Llama 3.1 405B on Cerebras is by far the fastest frontier model in the world – 12x faster than GPT-4o and 18x faster than Claude 3.5 Sonnet.
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Carpentopod: A Walking Table Project
Back in 2008, I wrote some software for fun to generate various optimized walking mechanisms. And when I also picked up some electronics and wood working skills in more recent years, I was able to turn one of these mechanisms into an actual wireless walking wooden coffee table: the Carpentopod. This post briefly…
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I made a new backplane for my consumer NAS
codedbearder's blog
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Introducing Copilot+ PCs
An on-demand recording of our May 20 event is available. Today, at a special event on our new Microsoft campus, we introduced the world to a new category of Windows PCs designed for AI, Copilot+ PCs. Copilot+ PCs are the fastest, most intelligent Windows PCs ever built. With powerful new silicon capable of an…
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Tracker Beeper (2022)
A week ago, I finally got round to implementing an idea I’d been toying with for years: what if your computer made a little bit of noise every time it sent data to Google? From studying logs, I’d long known just how many sites send all your visits and clicks to (at least) Google, but a log that you have to manually…
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The magic of DC-DC voltage conversion (2023)
Resistor-based dividers, linear regulators, buck converters, and other ways to adjust voltages.
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The motor turns too much
This instalment is about the "Bench Kona" I've built in the shed. Behold its questionable integrity:
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What happens when you touch a pickle to an AM radio tower
A few months ago, our AM radio hot dog experiment went mildly viral. That was a result of me asking my Dad 'what would happen if you ground a hot dog to one of your AM radio towers?' He didn't know, so one night on the way to my son's volleyball practice, we tested it. And it was awesome. There's a video and some…
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Intel Processor Instability Causing Oodle Decompression Failures
RAD Game Tools' web page. RAD makes Bink Video, the Telemetry Performance Visualization System, and Oodle Data Compression - all popular video game middleware.
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1/25-scale Cray C90 wristwatch
Welcome to the latest edition of my on-going series in Cray-related computational necromancy. This was another just-for-fun project. Over the many years Andras and I have been working on our Cray revival efforts, there has always been a big lag between our available software (and Andras’ amazing simulator ) and my…
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High-speed 10Gbps full-mesh network based on USB4 for just $47.98
Fang-Pen Lin's blog about programming
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Intel's $475M error: the silicon behind the Pentium division bug
In 1993, Intel released the high-performance Pentium processor, the start of the long-running Pentium line. The Pentium had many improvement...
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Intel Honesty
The best way to both save Intel and have leading edge manufacturing in the U.S. is to split the company, and for the U.S. government to pick up the bill via purchase guarantees.
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I turned my ThinkPad into a programmable USB device
Enabling and using xDCI controller on ThinkPad X1 Carbon 6th Gen
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TinyML: Ultra-low power machine learning
Explanation of TinyML, what it is used for and the main techniques it uses
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Box64 and RISC-V in 2024: What It Takes to Run the Witcher 3 on RISC-V
What It Takes to Run The Witcher 3 on RiSC-V
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Breaking Free from DRM: Hacking My Air Purifier
I searched the web for a deal on a decent air purifier and the Xiaomi 4 Pro seemed to meet all my requirements. The filter size, scheduler and air volume ticked all the boxes. I set it up and thought nothing of it until last week my room was lit with the ‘ 0% remaining ’ replace filter warning. I had set my unit up to…
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Building a rocket engine from scratch
How I learned to stop worrying and love the burn.