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The most popular blog posts about hardware & electronics on Hacker News. 391 posts.
When we announced the PineTime in late 2019 we couldn’t have imagined how popular of a project it would end up becoming. From the very start, it was evident that this will be a project like no other in our lineup. Following 18 months of intense development, the InfiniTime has now reached a release version, and the…
The new biography Steve Jobs contains a remarkable claim about the power supply of the Apple II and its designer Rod Holt: [1] Instead o...
Yeah, so about that OpenPOWER Minimum Viable Product JavaScript JIT for Firefox. This happened (all timings from an unoptimized debug build ...
Welcome to this month’s community update. As many of you know, we have now entered the Chinese New Year (CNY) period, which means that all manufacturing and related business activities have ground to a halt. It is always a mad rush to complete ongoing work prior to CNY, but now that the festive period is upon us we…
A summary of electronics that explains in a basic but comprehensive way the specialties of electronics and the most employed terms.
Last year I spent a bit of time building a Kubernetes cluster with the original Turing Pi. It was fun, and interesting, but ultimately the performance of the Compute Module 3+ it was designed around led me to running my homelab off some newer Pi 4 model B computers, which are at least twice as fast for almost…
The Raspberry Pi Zero 2 W has just been released, it's now got three more cores just like the RPi 3, but what is it good for and should you get one?
How I realized that this is truly the end of the Intel era.
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The Yamaha DX7 digital synthesizer (1983) was the classic synthesizer in 1980s pop music. It uses two custom digital chips to generate sou...
Making an external bootable SSD for an M1 Mac has proved tricky. Has this changed in macOS 11.2? If you’ve already got 11.1 running on one, how do you update it to 11.2?
The cell is the first to have been fully designed, developed and assembled at a gigafactory by a homegrown European battery company.
The MirkoPC is so far the closest thing to a full-fledged Raspberry Pi desktop computer: Based on the Compute Module 4, it has a full-size M.2 M-key slot, allowing the Pi to boot from reliable and fast NVMe SSD storage, a built-in headphone amp and line out, 4 USB 2.0 ports, gigabit Ethernet, two HDMI ports, and a…
A few months ago I moved to a few acres in the country, and needed somewhere to work - so I built myself a solar powered off grid office out of a Tuff-Shed Pro Studio! On one side, I’ve built a great desk corner with plenty of power and more than enough AC to keep me cool when it’s over 100F out.
A while ago, a friend of mine turned 25 and held a fairly big birthday party. One of the things he wanted to serve were jello shots: basically little shot glasses of jello with alcohol mixed in. The consistency and sweetness makes for a pretty interesting drink, and he wanted to make 70 or so shots, at least one for…
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
My home lab in a 12U rack as of March 2026. What is a Home Lab? Think of a home lab as a place where you can fail in the privacy of your own home. As
PC Engines apu lead times
In a strange coincidence, the authors of TinyPilot and Pi-KVM both emailed me within a week of each other and asked if I'd be interested in one of their KVM devices. Michael Lynch, founder of Tiny Pilot, said he'd used some of my Ansible work in building the TinyPilot update system, and Maxim Devaev, of Pi-KVM, liked…
When benchmarking software, we often start by measuring the time elapsed. If you are benchmarking data bandwidth or latency, it is the right measure. However, if you are benchmarking computational tasks where you avoid disk and network accesses and where you only access a few pages of memory, then the time elapsed is…
Ever since hearing about Rob Miles' Bitshift Variations in C Minor , a 4-voice polyphonic 16 minute piece of algorithmically generated music, I wanted to implement it in hardware. Getting it onto just any microcontroller seemed too easy , so I wanted it to run on the smallest µC I could find — the ATtiny4. A while…
I recently purchased a book for my MSC which was only available via a crappy Android app. There was no obvious way to decrypt it to read on a more sensible device, so I resorted to the ancient art of screenscraping. This is a quick-and-dirty way to grab images of the pages and convert them to a standard PDF using…
New SiFive Performance Family of application processors offers best in class performance, area, and efficiency for a wide variety of markets
Teardown and analysis of electronics. Integrated circuit design analysis.
