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The most popular blog posts about hardware & electronics on Hacker News. 3,044 posts.
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…
The 8086 microprocessor was a groundbreaking processor introduced by Intel in 1978. It led to the x86 architecture that still dominates de...
A blog about Rust and embedded stuff
When M1 Macs were launched, a new GPU with iOS-like architecture started driving the external monitors. This meant that the old method for controlling monitors using DDC wouldn't work anymore. Apps like Lunar and MonitorControl had to find other ways to change the brightness of the monitors.
I’ve spent the past four months in Shenzhen, China, modifying an iPhone 7 to add a fully functional headphone jack. To the best of my knowledge, this is the first time anyone has done anything like this.
In the mid-to-late 2000s, you either knew, or were, that kid in grade school. You know. The one who could put games on your graphing calculator. You may be surprised to learn that some of these people didn’t exist totally in a vaccuum. There was in fact a thriving scene of hackers who had bent these calculators to…
Do not buy a Microsoft Surface RT yet. I’m typing this with gritted teeth. My 24 hours with the half-baked Surface have been a frustrating challenge, a mix of love and hate. I want want want this…
The Starlink Mini terminal is designed as a compact, all-in-one solution with an integrated Wi-Fi router. While this design is ideal for typical consumer use, certain applications—such as custom networking setups, embedded installations, or power-constrained environments—may benefit from removing the internal router…
Scan Head STM Tips Vibration Isolation Electronics Software Scans Image Gallery Useful Links This project is my attempt to build a low-cost scanning tunneling microscope (STM) capable of atomic res…
Back in December, I posted that we’re building an open laptop . The post generated hundreds of comments, and I was surprised there was so much interest.
Cray 1 Supercomputer Performance Comparisons With Home Computers Phones and Tablets
A generation of technology workers grew up using it
In 2004 I was working for Microsoft in the Xbox group, and a new console was being created. I got a copy of the detailed descriptions of the Xbox 360 CPU and I read it through multiple times and su…
Stories about my nerd projects
Benchmarks & Tips for Big Data, Hadoop, AWS, Google Cloud, PostgreSQL, Spark, Python & More...
Each of us have our own giants to face. This is a story about one of my giants. Something I never imagined could make a grown man cry, until it did. A 3D camera. No one can face your giants for you. This is a story, not a walkthrough. Expect no useful information. For that I recommend 50 Game Camera Mistakes by…
When something you want is not available for purchase, well, you can always build it yourself! I recently moved and have a dedicated office room now. I wanted …
Nick Botticelli's personal website
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.
A few weeks ago I got curious about an old cable modem sitting in my closet, a Motorola MB7220. Initially I was interested in what kind of hardware it had and if it was running Linux. Some quick searching brought me to a thread on a web forum where people were discussing the built in spectrum analyzer feature used for…
how to grow plants in a server rack
Local LLMs can be very very cheap
