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Topics /
Hardware & Electronics
The most popular blog posts about hardware & electronics on Hacker News. 4,806 posts.
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Qualcomm Centriq 2400: The first 10nm server processor
The Qualcomm Centriq 2400 has launched! Here are the details...
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The PalmOS powered wristwatch from Fossil
Imagine a smartwatch you could load any PalmOS app you wanted onto. We had that... about 20 years ago.
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RISC instruction sets I have known and disliked
Experienced professional software engineer based in York, UK
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TPM Sniffing
TL;DR : we reproduced Denis Andzakovic’s proof-of-concept showing that it is possible to read and write data from a BitLocker-protected device (for instance, a stolen laptop) by sniffing the TPM key from the LCP bus.
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I designed my LED matrix PCB with code
This tutorial will walk you through building a 3x5 LED matrix controlled by a Raspberry Pi Pico using tscircuit.
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Is the Mill CPU real? (2014)
I’ve seen the Mill CPU come up a number of times — maybe because I subscribed to their updates and so I get emails about their talks. They’re getting a bunch of buzz, but every t…
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Native vs. emulation: World of Warcraft game performance on Snapdragon X Elite
Benchmarking World of Warcraft performance when running native and emulated on Windows on ARM.
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Minisforum Stuffs Entire Arm Homelab in the MS-R1
The Minisforum MS-R1 uses the same Cix CD8180 Arm SoC as the Orion O6 I reviewed earlier this year. But everything else about this thing is different. What this thing should be, is a box that runs Linux and can compete with at least an Apple M1 Mac mini, or a mid-range Mini PC. But what we got... is something…
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Shapelearn Qwen 3.8 27B (13.1 GB VRAM)
ByteShape's full ShapeLearn release of Qwen 3.8 27B: five GGUF models on the quality-speed frontier across six GPUs. GPU-5 is the default wherever it fits, at 99.63% of BF16. GPU-4 stays very competitive in a much smaller file.
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IBM paperweight teardown: Reverse-engineering 1970s memory chips
I recently received a vintage IBM paperweight from the early 1970s that showcases some memory chips. 1 When IBM started using integrated ...
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This Old SGI: notes and memoirs on the Silicon Graphics 4D series (1996)
I am posting this assortment of notes and observations as a kind of "thank you" to the numerous people who have replied to my posts in the past. The free flow of information is the life-blood of the internet community, and this is my feeble attempt to maintain that flow, while at the same time repaying the kindness…
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DIY PTP Grandmaster Clock with a Raspberry Pi
tl;dr: I set up an open source Time Pi project to build a stratum 1 PTP and NTP timeserver using a Raspberry Pi. Time is important to modern society, and most of us have a clock on our wrist that's more accurate than at any time in human history. But highly precise time is important in many industries, especially…
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UNSW researchers set record in solar energy efficiency
Solar engineers from UNSW's Australian Centre for Advanced Photovoltaics have set a new world-record in solar energy efficiency, achieving an electricity conversion rate of over 40%.
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Signal processing is key to embedded machine learning
When we hear about ML - whether it’s about machines learning to play Go or computers generating plausible human language - we often think about deep learning.
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Go the F to Sleep
· hackintosh · opencore · sleep · wake · acpi · Oct 23, 2021 by Aleksandar Vacić 6 minute read
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A Practical Guide to Watchdogs for Embedded Systems
A community and blog for embedded software makers
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Live Streaming a Macintosh Plus
Since recording a handful of C Programming on System 6 videos, I've occasionally wanted to live-stream the more casual daily programming being done on my Macintosh Plus. After getting all of the pieces together, I now have a working self-hosted broadcasting setup.
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Homebrew Hercules Graphics Card
After viewing our CGA Redux livestream a friendly tinkerer named Arek contacted me if I was interested in a homebrew Hercules Graphics Card PCB that he designed. Naturally I said yes and assembled the card, playing beta tester for his design. It will probably be open sourced eventually, but is not yet available. So…
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On MicroSD card problems (2010)
The microSD ware for January 2010 was not an incidental post. It is actually snapshot of a much longer forensic investigation to find the ground truth behind some irregular Kingston memory cards.
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DDR4 Sdram – Initialization, Training and Calibration
A detailed tutorial on DDR4 SDRAM Initialization, Training and Calibration. Exploring topics such as Read/Write Training, ZQ Calibration, Vref Training, Read Centering, Write Centering, Write Leveling and Periodic Calibration.
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Talking with the Moon: Inside Apollo's premodulation processor
The Apollo missions to the Moon required complex hardware to communicate between Earth and the spacecraft, sending radio signals over hund...
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Building a 3D safety sensor with Rust
Grab your biggest mug of coffee and learn how the open-source programming language Rust supercharges our development time of the breakthrough Sonair 3D ultrasonic sensor. Claim to fame: Sonair is on track to be among the first to deploy a safety-certified Rust implementation.
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USB-C Easy Bake Oven (2017)
I modified an Easy Bake Oven to run off USB-C. The obvious question is "Why?", but I prefer to ask, "Why Not?". The USB-C spec allows for 100 Watts of power to be transferred through the connector, and that is the power rating for the oven, so it should work.
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Childhood toys: 40 years on 2-XL works just fine
Sitting and literally gathering dust on a shelf has been my childhood 2-XL toy . A few years ago I turned it on and it seemed to work but th...
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MIT engineers design tiny batteries for powering cell-sized robots
A zinc-air microbattery designed by MIT engineers could enable the deployment of cell-sized, autonomous robots for drug delivery within in the human body, as well as other applications such as locating leaks in gas pipelines.