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Topics /
Hardware & Electronics
The most popular blog posts about hardware & electronics on Hacker News. 3,044 posts.
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Camera Chase Vehicle
You stumble on a weird robot chassis in an industrial warehouse. Its adorable, enormous and will likely be scrapped.
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Why does FM sound better than AM?
Frequency modulation (FM) is more robust to noise than amplitude modulation (AM) because static itself is primarily a form of amplitude modulation.
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Using ChatGPT for home automation
In another thrilling adventure with ChatGPT, I endeavored to integrate it with a Raspberry Pi, effectively turning it into my own personal light switch. My custom ChatGPT plugin, sporting just two ...
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Challenges Building an Open-Source E Ink Laptop
In a previous article, I discussed my intention of Building an E-Ink Laptop . In this article, I want to introduce EI2030 and how we are building an open-source eink laptop and its challenges.
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6 GHz frequency modulated radar
Making a cheap and simple radar with a range of about 100 meters.
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GPD Pocket 4 Speaker DSP: Configuring PipeWire so laptop speakers sound better
Configuring PipeWire to make laptop speakers sound better (Bankstown, Convolution/FIR, etc.)
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Implementing FizzBuzz on an FPGA
I recently started FPGA programming and figured it would be fun to use an FPGA to implement the FizzBuzz algorithm. An FPGA ( Field-Progra...
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Down the mechanical keyboard rabbit hole
I’m writing this to share my experience adapting to weird keyboards and layouts.
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Humane AI – Pico Laser Projection – AI Twist on an Old Scam (2023)
Humane AI (Humane, hereafter) combines the mid-2010s failed concept of using a laser projector to project on the body with the early 2000s failed projector phone (something I wrote about in 2013), …
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Life at 800 MHz
We’ve been using a Sony Vaio VGN-P588E for the past few months as our primary personal laptop. This thing’s great; it’s got a small but not uncomfortable keyboard. It’s got a trackpoint, which we absolutely need to keep our hands healthy. Crucially, it’s only 1.5 pounds. We’re disabled in a way that means we’ve got to…
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Dell XPS 13 Review from a lifelong Mac user
I've used Macs as my primary computing devices my entire life. And though I continue to use a Mac for my primary workstation for both work and personal projects, my use of computers has evolved in the past few years quite a bit. With more of my stuff moving into the cloud and fewer software applications being…
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Modifying Microsoft Flight Simulator 4 to run on three immersive monitors
How I modified DOSBox and the original Microsoft Flight Simulator 4 from 1989 to run on my immersive multi-display flight simulator set up.
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Tensorflow on edge, or – Building a “smart” security camera with a Raspberry Pi
The amount of time my outdoor cameras are being set off by light, wind, cars, or anything other than a human is insane. Overly cautious security cameras might be a feature, but an annoying one at that...
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How I replaced deadly garage door torsion springs (2002)
Replacing broken torsion springs on a garage door.
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The Rise of the Electric Scooter
In an electric car, the (enormous) battery is a major part of the price. If electric car prices are decreasing, battery costs must be decreasing, because it’s not like the cost of fabricating rubber, aluminum, glass, and steel into car shapes can decline that much, right? On an electric
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Why don't more people use throat mics?
Yes, *that* kind of microphone -- the kind that are most commonly known to be used by employees of the military industrial complex.
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mmWave radar, you won't see it coming
Made in Notion, the connected workspace where AI agents and teams organize docs, projects and knowledge together.
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Better PC cooling with Python and Grafana
Improving the performance of a PC cooling system by writing a custom control loop in Python, and monitoring the results with Grafana.
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The intracies of modern camera lens repair (2024)
I stumbled across a broken Sigma 45mm f/2.8 Art lens for a very cool $58.65 USD that I simply could not resist. I've been eyeing an AF lens in the 50mm range for my recent endeavors with L-mount cameras and this looked like the perfect fit. This lens is commonly found as a kit with the very excellent full-frame Sigma…
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Unlocking a locked/deactivated e-waste Cricut Maker
How I returned a Cricut Maker back to service after Cricut remotely bricked the unit
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NHL goal celebration hack: real-time machine learning and hue light show
This post does a deep dive on the **epic goal celebration hack**. In a single sentence, I trained a machine learning model to detect in real-time that a goal was just scored by the Habs based on the live audio feed of a game and to trigger a light show using Philips hues in my living room.
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Shimano Forces Hammerhead to Remove All Di2 Related Functionality From Karoo
Effective next Thursday,...
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Why the MacBook Pro Is Limited to 16GB of RAM
A 2016 technical analysis of the 16GB RAM limit in Intel MacBook Pro models, including Phil Schiller’s direct response and two corrections.
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New XPS 13 Developer Edition Lands in Europe, United States and Canada
Today, on the 59th anniversary of the launch of the Sputnik satellite, the 6th generation XPS 13 developer edition makes its debut in both the US, Canada and Europe. This Kaby Lake-based system co…