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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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The latest blog posts to take off on Hacker News. 3,046 posts.
Hardware & Electronics
Any year
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Restoring Y Combinator's Xerox Alto, day 3: Inside the disk drive
I'm helping restore a Xerox Alto — a legendary minicomputer from 1973 that helped set the direction for personal computing. This post desc...
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Building my $1,200 Hackintosh
I’ve wanted a new Mac for awhile now. Now I have one faster than almost any Mac that Apple can sell you. Here’s how I built it.
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Restoring Y Combinator's Xerox Alto, day 2: Repairing the display
This post describes how we repaired the monitor from a Xerox Alto. The Alto was a revolutionary computer, designed in 1973 at Xerox PARC ...
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Extracting Qualcomm's KeyMaster Keys – Breaking Android Full Disk Encryption
A security blog focusing on Android, the Linux Kernel and everything nice.
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Beamforming in PulseAudio
In case you missed it – we got PulseAudio 9.0 out the door , with the echo cancellation improvements that I wrote about . Now is probably a good time for me to make good on my promise to expand upon the subject of beamforming.
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Cheap HDMI capture for Linux
Lately I have had the need to do real time video capture from HDMI devices as of late for a project, and while looking around the internet found that all of the capture cards that are aimed at gamers (windows / OSX support only) or full blown production capture (Very expensive, more inputs than I need). The other…
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Apple EFI firmware passwords and the SCBO myth
My original goal when I started poking around Apple’s EFI implementation was to find a way to reset a MacBook’s firmware password. My preliminary research found references to a “magical” SCBO file that could be loaded onto a USB flash drive and booted to remove the password. The normal process workflow is to first…
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Restoring YC's Xerox Alto, day 1: Power supplies and disk interface
A few days ago, I wrote about how I'm helping restore a Xerox Alto for Y Combinator. This new post describes the first day of restoration...
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APFS in Detail
Apple announced a new file system that will make its way into all of its OS variants (macOS, tvOS, iOS, watchOS) in the coming years. Media coverage to this…
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Y Combinator's Xerox Alto: restoring the legendary 1970s GUI computer
Alan Kay recently gave his 1970's Xerox Alto to Y Combinator and I'm helping with the restoration of this legendary system. The Alto was t...
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Practical Reverse Engineering Part 4 - Dumping the Flash
Fourth post in the series, detailing how to dump the router's flash chip directly with an SPI programmer, then split and decompress the resulting image into ...
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Wired Documentary on Shenzhen
This shoot was a lot of fun, and it was a great pleasure working with Posy and Jim. I think their talent as producer and director really show through. They also did a great job editing my off-the-cuff narratives. The spot in the video where I’m pointing out Samsung parts isn’t matched to the b-roll of Apple parts, but…
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DB-19: Resurrecting an Obsolete Connector
Oh man, this is good! You’re looking at the first DB-19 connector to be made in the 21st century:
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A Practical Guide to Lasers for Experimenters and Hobbyists
However, many others have contributed in one form or another (newsgroup postings, email, laser parts, etc.). They are cited in the Acknowledgments and/or in the individual sections which contain their material. And, by the way, the name: "Sam's Laser FAQ" was more or less created by those who have read and commented…
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Raspberry Pi Car Speed Detector
(2016-12-18 Version 2 is now on github. It fixes one bug, makes the code style more consistent, and adds a few additional options for tracking the results.) It started with a Facebook post from my …
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Here's to the systems programmers – Writing Hello World on a home brew CPU
Writing Hello World on a homebrew CPU
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The void left by the parallel port
Resurrecting a dead interface
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RISC instruction sets I have known and disliked
Experienced professional software engineer based in York, UK
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Gentoo Tesla – T2 Edition
Location Voiture Electrique à la journée, le week-end ou au mois. Dès 50€/jour. Oubliez les agences de location. Assurance tous risques.