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Atari Falcon030
Impressive, but too late to the party
New
The latest blog posts to take off on Hacker News. 463 posts.
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RP2040 Boot Sequence
This document has been assembled to supplement a set of instructions about writing one's own bootloader for the RP2040. Writing a bootloader requires some understanding of the boot sequence, but it became a bit too cumbersome to include that explanation in the bootloader documentation.
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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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Pine64 March update: making waves
Long awaited community update is here! Introducing PineVox and bone conduction headset (help us find a name!), IronOS progress, PineNote insights, and PineTime news! We also cover cluster failure, state of services, and the future of the community updates. See you in the upcoming Q&A!
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Got my ultimate retro KVM setup working
By Ruben Schade in Eora/Sydney, Australia.
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IBM 360’s are searching for a new home
Hello! If you’re still here reading this blog, I’m impressed. We haven’t posted anything of note for some years now and frankly, thats because we haven’t done anything of note with the project. The machines have been sitting in their home, virtually untouched, for 4 years now. Chris & I (Adam) are just too busy with…
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Hackintosh is almost dead
While I knew about and even tried various very early attempts to run macOS on non-Apple hardware, it wasn’t until early 2020 that I’ve built my first proper one. Then I built several more which are still seeing daily use.
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Affordable Wheel Based Refreshable Braille Display
On HN [1] I came into contact with Mahmoud Al-Qudsi ( mqudsi@neosmart.net ) , who mentioned that he'd been working off-and-on on a braille reader that is both affordable and easy to manufacture. He sent me a some files and pointed to a patent [2] that he took out on a device that uses octagonal wheels with codes on…
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Vision Pro: What we got wrong at Oculus that Apple got right
by Hugo Barra (former Head of Oculus at Meta) Friends and colleagues have been asking me to share my perspective on the Apple Vision Pro as a product. Inspired by my dear friend Matt Mullenweg̵…
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The Mythical Non-Roboticist
What if everyone could do robotics? That would be great, right? We should make a software framework so that non-roboticists can program robots.This idea is so close to a correct idea that it's hard to tell why it's a mistake.
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Reverse engineering a car key fob signal
I’ve had the curiosity to explore radio communication protocols for a few years now, ever since I’ve started fiddling around with an RTL-SDR dongle. I always had the goal of figuring out how data is transmitted in remote controls (car key fobs particularly), trying replay attacks, and other possible attack vectors.
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Pi 5 overclocking: Silicon Lottery
Silicon lottery. Now that the Raspberry Pi 5s been readily available (at least in most regions) for a few months, more people started messing with clocks, trying to get the most speed possible out of their Pi 5s. Unlike the Pi 4, the Pi 5 is typically comfortable at 2.6 or even 2.8 GHz, and some Pi 5s can hit 3.0 GHz…
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Intel Gaudi2 chips outperform Nvidia H100 on diffusion transformers
Our commitment to developing cutting-edge open models in multiple modalities necessitates a compute solution capable of handling diverse tasks with efficiency. To this end, we conducted a performance analysis, training two of our models, including the highly anticipated Stable Diffusion 3.
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Japanese Handsaws: The Maebiki Ooga
A famous blockprint by Hokusai titled “Mount Fuji Seen from the Mountains of Totomi,” showing a crew of sawyers rip-sawing a timber into boards using maebiki ooga saws, one man on top a…
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JEDEC publishes GDDR7 graphics memory standard
ARLINGTON, Va., USA – MARCH 5, 2024 – JEDEC Solid State Technology Association , the global leader in the development of standards for the microelectronics industry, is pleased to announce the publication of JESD239 Graphics Double Data Rate (GDDR7) SGRAM. This groundbreaking new memory standard is available for free…
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New 13- and 15‑inch MacBook Air with M3 chip
Apple today announced the new MacBook Air with the powerful M3 chip, taking its power-efficient performance and portability to a new level.
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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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An Apple district manager's Macintosh Portable in 1989-91
A few months ago I introduced you to one of the more notable Apple pre-production units in my collection, a late prototype Macintosh Porta...
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Bob Heil, K9EID, Silent Key
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
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A 45 year engineer clears up electric sauna ventilation
Malcolm has analyzed the Finnish 1992 sauna ventilation study profile to improve sauna ventilation in his own backyard sauna.
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Heinz’s sustainable ketchup cap
CT scans of Heinz's new recyclable ketchup cap reveal the channel geometry that replaced a silicone valve and why the redesign took eight years.
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Starlink terminal revision 4: overview and tests
Revision 4 is the new version of the Starlink user terminal. As of February 2024, the new version is only available in the US. I decided to test the new hardware and compare it to the well-known REV3 (a.k.a. Gen2/V2 or “Standard Actuated”).
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Building unorthodox deep learning GPU machines
Today, I’m going to write a bit about our GPU cluster machine we call cogito at Driveline Baseball. I’m going to timebox these blog posts so I get them out and also save my sanity, so t…
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Testing the F-35C Tailhook
Welcome to the blog. As a way to kick things off, here’s a single-page version of my thread on the F-35C tailhook.
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I don't think the cheapest APC Back-UPS units can be monitored except in Windows
Despite otherwise seeming to work correctly, I can't monitor a Back-UPS BX1600MI in Linux without seeing a constant stream of spurious battery detach/reattach and power fail/restore events that last less than 2 seconds each. I've tried multiple computers and multiple UPSes of that model. It doesn't happen in their own…
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Building a deep learning rig
Blog post of Samsja