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Cloning a 6502 Apple-1 in just 930 logic gates
Blog about vintage computers and homebrewing computers.
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The latest blog posts to take off on Hacker News. 383 posts.
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Pinephone first steps
After anki trashed my history, uploaded the trashed history to the sync server, and then repeatedly re-synced the trashed history every time I tried to restore from backup, I wrote my own spaced repetition app. It reads input from a markdown file, asks questions in the terminal and stores state in a json file. I wrote…
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Tiny transformer inside: Decapping an isolated power transfer chip
I saw an ad for a tiny chip 1 that provides 5 volts 2 of isolated power: You feed 5 volts in one side, and get 5 volts out the other si...
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Recovering Iran’s NOUR 01 ‘Military Satellite’
Iran’s new military satellite, NOUR 01, most interesting fact may not be that it resembles a college engineering experiment but rather that it may have a connection to a Mexican military payl…
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Surface Go 2, Surface Book 3, Surface Headphones 2 and Surface Earbuds
Available for preorder today, new Surface devices and accessories are designed to help you work, learn, connect and play from anywhere The way we work, connect and learn continues to change right in front of us. Our devices have become our window to the world – our office, our school and our social space. To
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An History of Nvidia Stream Multiprocessor
I spent last week-end getting accustomed to CUDA and SIMT programming. It was a prolific time ending up with a Business Card Raytracer running close to 700x faster [1] , from 101s to 150ms. This pleasant experience was a good pretext to spend more time on the topic and learn about the evolution of Nvidia architecture…
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New 13-inch MacBook Pro
Apple today updated the 13-inch MacBook Pro, improving the typing experience with the new Magic Keyboard and doubling the storage.
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Reverse-engineering the audio chip in the Nintendo Game Boy Color
The Nintendo Game Boy Color is a handheld game console that was released in 1998. It uses an audio amplifier chip to drive the internal s...
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Nvidia Releases Low-Cost, Open-Source Ventilator Design
Bringing together the world’s brightest minds and the latest accelerated computing technology leads to powerful breakthroughs that help tackle some of the biggest research problems....
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Hacking Together an E-ink Dashboard
A prototype Raspberry Pi dashboard to save me talking to my smart assistant.
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Google Pixel Buds
Google Pixel Buds, available now with high-quality sound, clear calls and a sleek design for a great truly wireless earbuds experience.
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Controlling My A/C with a Gameboy
Last year, I was lucky enough to be gifted a Gameboy Color in great shape. Apart from its intended gameplay features, I also wanted to try and build something meaningful with it, so I made this application to control my air-conditioner over its existing, reverse-engineered infrared protocol.
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Creating ad hoc microphone arrays from personal devices (2019)
Researchers in the Microsoft Speech and Dialog Research Group have made an ad hoc microphone array by allowing meeting participants to join their phones together to enable more accurate meeting transcriptions. Explore how this array outperforms a single-device system.
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Myths about USB NKRO and how USB HID works
A common myth about USB keyboards is that they can only support 6-key rollover, and not report more than 6 keys being pressed at a time. In fact, this is wholly untrue; the USB HID device class can support full N-key rollover (NKRO). While keyboards which purport to support USB NKRO are now common, some of them have…
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Coming soon: Fedora on Lenovo laptops
Today, I’m excited to share some big news with you—Fedora Workstation will be available on Lenovo ThinkPad laptops! Yes, I know, many of us already run a Fedora operating system on a Lenovo system, but this is different. You’ll soon be able to get Fedora pre-installed by selecting it as you customize your purchase…
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The 2020 iPhone SE
The iPhone SE is an excellent value if you’re fine with the smaller display and Touch ID instead of Face ID. It’s an astoundingly good value if you flat-out prefer the smaller form factor and familiar Touch ID experience.
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On WD Red NAS Drives
On WD Red NAS Drives - Data - Western Digital (WD) Corporate Blog
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Building a PC, Part IX: Downsizing
Hard to believe that I’ve had the same PC case since 2011, and my last serious upgrade was in 2015. I guess that’s yet another sign that the PC is over, because PC upgrades have gotten really boring. It took 5 years for me to muster up the
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A Full Break of the Bitstream Encryption of Xilinx 7-Series FPGAs
Maik Ender and Amir Moradi, Horst Goertz Institute for IT Security, Ruhr University Bochum, Germany; Christof Paar, Max Planck Institute for Cyber Security and Privacy and Horst Goertz Institute for IT Security, Ruhr University Bochum, Germany
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Reverse-engineering the TL431: the most common chip you’ve never heard of (2014)
This article is now available in Russian: Реверс-инжиниринг TL431, крайне распространенной микросхемы, о которой вы и не слышали . A die p...
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New iPhone SE
Apple today announced the second generation iPhone SE, a powerful new iPhone featuring a 4.7-inch Retina HD display.
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Clocking a 6502 simulator to 15GHz
6-5-0-who? The 6502 is an iconic processor that dominated home computing in the late 70s and early to mid 80s. It was used in machines ra...
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First trans-Atlantic contact made on 432 MHz
On Tuesday the 7th of April 2020 , a remarkable contact was made with the FT8 digital mode on 432 MHz between D4VHF on the Cape Verde Is...
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PC-XT Emulator on a ESP8266 (2018)
Can you run a 8086 PC-XT emulation with 640K RAM, 80×25 CGA composite video and a 1.44MB MS-DOS disk on a ESP12E without additional components? Yes, you can and I did. The CPU emulator is a po…