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Designing a Low Latency 10G Ethernet Core (2023)
View the code on GitHub
Topics /
Hardware & Electronics
The most popular blog posts about hardware & electronics on Hacker News. 4,805 posts.
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Sony A1 Complete Disassembly and Teardown
Sony A1 Complete Disassembly And Teardown. One year ago, Sony announced this beautiful beast, and today we’re going to take it apart!
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Imaging a Hard Drive with Non-ECC Memory – What Could Go Wrong?
I recently came home to visit with family, but right now as I write this, it's 1:00am and I'm running memtest86+ by myself in the basement.
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Seagate Introduces a 60TB SSD – Is a 3.6PB Storage Pod Next?
Yes you read that correctly - a 60TB SSD. So what does that mean for cloud backup? Is a 3.6PB storage pod on the horizon? We take a look at the numbers.
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Error Handling in Baby Toys
Electrical baby toys are interesting to disassemble and look at how it’s made. Not up to the …
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Reverse engineering a forgotten 1970s Intel dual core beast: 8271, a new ISA
" As I recall, those two chips were fairly large. And fairly late -- to the marketplace. We had lots of issues with them. [...] Sometimes th...
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Long range WiFi antenna from Illy coffee can
I have a stack of half finished projects that I'm trying to complete. Happily, the first one was finished late last night: a long range Wi...
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Building a Networked Key-Value-Store on an FPGA
This post is about building an FPGA based networked key-value-store in the functional hardware description language Clash. I’ll describe my FPGA-tailored hashtable design, the testing framework I built for it, and its performance and resource usage.
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Inside a Titan missile guidance computer
I've been studying the guidance computer from a Titan II nuclear missile. This compact computer was used in the 1970s to guide a Titan II ...
2742
Analysis of Soviet smoke detector plutonium
Technical nuclear forensics-themed discussion of the age, activity, and grade of plutonium found in a KI-1 Soviet smoke detector.
2743
How to make a Smith chart
Deriving the basic mathematical properties of the Smith chart from electrical engineering
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The 6502 CPU's overflow flag explained at the silicon level
In this article, I show how overflow is computed in the 6502 microprocessor at the transistor and silicon level. I've discussed the mathema...
2745
The Secret Life of Machines
SERIES 1 The Vacuum Cleaner The Washing Machine The Sewing Machine The Refrigerator The Central Heating System The Television
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Fun With Pinball
Fun With Pinball small board assembly instructions explanations flipper solenoid stepper video
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New 14‑inch MacBook Pro with M6
Apple today announced the new 14-inch MacBook Pro with M6, delivering more performance, powerful on-device AI capabilities, and faster connectivity.
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iPhone 8 Plus: The best smartphone camera we’ve ever tested
Please note: In September 2019, we updated the DXOMARK Mobile test protocol to cover ultra-wide-angle performance and renamed the protocol DXOMARK Camera. We also expanded our low-light testing and created the new Night sub-score, which incorporates the previous Flash score. We have retested this device using the new…
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Microwave spontaneously turned on by its LED display
My microwave oven started to malfunction at around five years old. It started to randomly power on the lamp, fan, and turntable. It progressively got worse over several weeks until it was mostly stuck on. The microwave oven is not usable when this happens: It behaves as if the door were open, causing the control panel…
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Why does my ripped CD have messed up track names? And why is one track missing?
A delve into CD ripping and metadata
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Ouster's new digital Lidar – 128 beams, ultra-wide view
Ouster's next step: 128-channel lidar sensors with long range and an ultra-wide field of view, built on its digital lidar architecture.
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Back to the future: Are hackers the future of amateur radio?
Last fall, under the aegis of Ham Radio Village , I was awarded a grant to take my one-day Tech class on the road. Ham Radio Village believes that more people in technical fields should have amateur radio licenses and that amateur radio is underrepresented in the hacker, STEM/STEAM, and maker communities. Currently…
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Intel i7 loop performance anomaly
Recently I've been doing some benchmarking and came upon a very surprising behavior from a number of different Intel i7 CPUs (it manifests on Sandy Bridge and Haswell desktop-class CPUs as well as Sandy Bridge-EP Xeon CPUs).
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What Microchip doesn't (officially) tell you about the VSC8512
This is part 3 of my ongoing series about LATENTRED, my project to create an open source 1U managed Ethernet switch from scratch.
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Using a laptop as an HDMI monitor for an SBC
Though I spend the majority of my time working with microcontroller class devices, I also have an embarassingly robust collection of single board computers (SBC), including a few different Raspberry Pi models, the BeagleV Starlight Beta (RIP), and more. Typically when setting up these devices for whatever automation…
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Power, frequency, management: how M1 E cores win
macOS manages the loading and frequency of M1 cores according to the QoS set, and rules which differ between the original M1 and the M1 Pro.
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