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18 Months with a Framework 13
I've been using a Framework 13 laptop as my main/only computer for a little over 18 months now.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 3,046 posts.
Hardware & Electronics
Any year
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The Raspberry Pi as a Stratum-1 NTP Server
NTP on a Raspberry-Pi - documents configuring a Raspberry Pi for headless operation, configuring NTP for remote monitoring, adding a GPS/PSS device (two discussed), and how well NTP performs in WAN-only, LAN, and PPS configurations.
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A brief, incomplete, and mostly wrong history of robotics
(An homage to one of my favorite pieces on the internet: A Brief, Incomplete, and Mostly Wrong History of Programming Languages)
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An Introduction to CubeSats
An introduction that answers the questions what are cubesats, why they are so popular, what are their main subststems, and how does thier future look?
2286
Quartz crystals
(This is an adapted version of part of an article I wrote for the Dutch amateur radio magazine Electron , August 2016.)
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How to run an Arduino clone on a 9V battery for weeks or even months
About a year ago, I started building wireless sensors that needed to run on a battery. I quickly found out however that this wasn’t going to be easy: A battery would only last for a few days,…
2289
Refurb Weekend: Canon Cat
It's the Memorial Day holiday weekend and it's time for a little deferred maintenance, especially on those machines I intend to work on more...
2290
Upgrading my old Chumby 8 Linux kernel
As I mentioned in my last post, I spent a good chunk of my spare time over the past 6 months working on a project I’ve been thinking about for over a decade. I bought a Chumby 8 in 2011. It’s an 8″ touchscreen device powered by the Marvell PXA166 processor. It is essentially a souped-up digital picture frame with…
2291
A floppy disk MIDI boombox: The Yamaha MDP-10
Longtime readers of Nicole Express might know that I dabble in playing the organ. But sometimes I want to play with sounds that don’t have the organ’s defini...
2292
The Plum-O-Meter: Weighing Plums Using 3D Touch in Swift
Here at FlexMonkey Towers, the ever beautiful Mrs FlexMonkey and I love to spend our Sunday mornings luxuriating in bed drinking Mimosa...
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Cores in space: The core memory module from a 1980 Spacelab computer
Spacelab was a reusable laboratory that could be carried in the Space Shuttle's cargo bay, providing lab space for astronauts and experiment...
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Building a Frankenstein 64
👶 From when Mosaic took over Gopher. 🏢 VP of Engineering @ Cloudflare 🕹️ Slightly addicted to retrocomputing 🔍 Hit Ctrl-K to Search
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World Domination Using Arduinos and Websockets
Arduino Websocket Client Arduino Pusher Client Pusher – Real Time Push Notifications Follow Me On Twitter: @kevinrohling If you don’t have your very own Arduino yet you should get one. …
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The Lost Atomic Update on Loongson CPU
杰哥的{教学，运维，编程，调板子}小笔记
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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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RISC-V Linux on ESP32
I've been playing with the idea of running linux on ESP32 since the first days I've met its more robust module, the WROVER-B, on paper it se...
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Powering a Mainframe
The last few days have been eventful. I was contacted by the datacenter that the mainframe's cage is now ready for moving in, and the power ...
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Inside an IBM/Motorola mainframe controller chip from 1981
In this article, I look inside a chip in the IBM 3274 Control Unit. 1 But before I discuss the chip, I need to give some background on main...
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Raspberry Pi holds its own against low-cost ARM NAS
Earlier this year, I pitted the $549 ASUSTOR Lockerstor 4 NAS against a homebrew $350 Raspberry Pi CM4 NAS, and came to the (rather obvious) conclusion that the Lockerstor was better in almost every regard. Well, ASUSTOR introduced a new lower-cost NAS, the $329 Drivestor 4 Pro (model AS3304T—pictured above), and sent…
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My Raspberry Pi cluster
So I accidentally ordered too many Raspberry Pi's. Therefore, I built a small cluster out of them. I thought I'd write up a parts list for o...
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I made a quieter air purifier
The physics of sound, and the PC fan CR box v1.
2307
AI At Home Part 1: A Box Of Scraps
data centers are so cool there should be one in every house
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Apple’s boring hardware updates
Apple now seemingly considers most Mac hardware updates boring enough to skip any potential press event and just feature the new models on the Apple website for a while. Event-worthy Mac updates are now limited to entirely new products or major redesigns.
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Microcode in Intel's 8087 floating-point chip: the scale instruction
In the 1970s, floating-point arithmetic was a mess. Computer manufacturers had a dozen incompatible arithmetic standards. Moreover, floating...
2310
A vacuum tube ROM?
Is such a thing possible? Turns out it is, and it’s called a Monoscope. I recently got a Raytheon CK1414 Monoscope with a good getter and a working filament–naturally, I decided to fire…