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Precursor – A mobile, open source electronics platform
Precursor (pre·cur·sor | \ pri-ˈkər-sər): 1. one that precedes or gives rise to; a predecessor; harbinger 2. a pocketable open development board
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The latest blog posts to take off on Hacker News. 383 posts.
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Backdoors and other vulnerabilities in HiSilicon based hardware video encoders
Serious vulnerabilities (including a backdoor) in IPTV/H.264/H.265 video encoders based on HiSilicon hi3520d hardware.
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Engineers produce a fisheye lens that’s completely flat
Engineers at MIT and UMass Lowell have designed a wide-angle lens that is completely flat. It is the first flat fisheye lens to produce crisp, 180-degree panoramic images.
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I overslept because iOS 14 disabled my alarm
I’m using the iOS Bedtime feature for years now. With yesterday’s iOS 14 update the feature got moved from the Clock app to the Health app. Unfortunately the migration is done by disabling your existing alarm and showing a button to open the Health app to set it up again. I woke up late and well rested today.
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Pine64 September update
We have been fortunate to welcome many new members into our ranks over the past 30 days. This is in large part due to the continued interest in the Pinebook Pro and PineTab, which have just shipped, as well as the ongoing massive demand for the PinePhone. By my estimate, come December we will have shipped more…
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New T4g EC2 Instances, Powered by AWS Graviton2
December 10, 2020 – Post updated for the extension of the T4g free-trial until March 31, 2021. During the free-trial period, customers who run a t4g.micro instance will automatically get 750 free hours per month deducted from their bill during each month. T4g free-trial will be available in addition to the existing…
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Reverse-engineering the first FPGA chip, the XC2064
A Field-Programmable Gate Array (FPGA) can implement arbitrary digital logic, anything from a microprocessor to a video generator or crypt...
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Sensors of largest digital camera snap first 3,200-megapixel images at SLAC
The camera will explore cosmic mysteries as part of the Rubin Observatory’s Legacy Survey of Space and Time.
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Why the Apple II Didn’t Support Lowercase Letters
Adventures in vintage computers and retrogaming. Includes articles on classic games and obsolete computers.
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Hacking Ethernet out of Fibre Channel cards
This story, like another in the past , started as an eBay purchase that I would soon regret. I was scrolling through my favorite eBay supplier when I found a listing titled Job Lot Of Roughly 350 Various Network Cards . This of course piqued my interest. Some close photo inspection identified a whole load of cards in…
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Which GPUs to get for deep learning
Here, I provide an in-depth analysis of GPUs for deep learning/machine learning and explain what is the best GPU for your use-case and budget.
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International Space Station 437.800 MHz cross band FM repeater activated
At 01:02 GMT on September 2 a cross band FM amateur radio repeater with a downlink on 437.800 MHz was activated on the International Space Statio. The Amateur Radio on the International Space Stati…
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The Right to Repair could help address a critical shortage in school computers
Buying a refurbished computer can save money and cut waste. It might also be a key strategy in addressing the digital divide
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A floppy-disk Walkman using a Raspberry Pi
I have built the most inconvenient way of playing music! It is lo-fi awfulness and cyberpunk grungy. Thanks! I hate it! Ingredients Raspberry Pi USB floppy drive Audio Cable / Headphones USB Battery WHY?!?! As I discussed yesterday, it's possible to fit half an hour of speech on a single floppy disk. The best band in…
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8086 Microcode Disassembled
Recently I realised that, as part of his 8086 reverse-engineering series, Ken Shirriff had posted online a high resolution photograph of the 8086 die with the metal layer removed . This was something I have been looking for for some time, in order to extract and disassemble the 8086 microcode. I had previously found…
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How I built a keyboard/video/mouse switch for my two 4k monitors
How I built a Keyboard/Video/Mouse switch for my two 4K monitors for $30.
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Inside the HP Nanoprocessor
The Nanoprocessor is a mostly-forgotten processor developed by Hewlett-Packard in 1974 1 as a microcontroller 2 for their products. Stra...
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CERN at Home: Building a Particle Detector
What do you do when you’re stuck at home with a 16-year-old son during a pandemic lockdown? Well, the first answer is that you build a gaming PC. That was a good project with a lot of incentives to complete, but that also meant it was soon over. So, what next? I spotted a post about an outreach project from CERN to…
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Nvidia Unveils GeForce RTX 30 Series GPUs
This Halloween week, GFN Thursday is delivering a fresh batch of gaming treats. Something wicked this blade comes. S-GAME’s Phantom Blade Zero launches on GeForce...
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Gerät 32620: the machine that powered numerous number stations
A few years ago, I first stumbled over some recordings of number stations and started reading up on their history. For most of them, we have pretty good guesses who ran them and for what purpose. One example is the Gongs and Chimes Station , known for its melody that got increasingly creepy over the years, the more…
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PinePhone Manjaro Community Edition
I am thrilled to announce that the next Community Edition (CE) of the PinePhone will feature Manjaro. For those of you who do not know, Manjaro is an Arch-based Linux operating system designed with user-friendliness in mind. But Manjaro is more than just an operating system, it is also a large and vibrant community of…
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TSMC Builds a Dedicated 28nm Fab for Sony Orders
IFNews reports that TSMC will build a OEM production line exclusively for Sony to produce high-end CIS in 28nm process at the Nanke 14B fab...
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We Replaced an SSD with Storage Class Memory
MongoDB's blog includes technical tutorials, MongoDB best practices, customer stories, and industry news related to the leading non-relational database.
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What can 6,000 electric vehicles tell us about EV battery health?
Analysis of electric vehicle battery health of 22K+ EVs reveals a 2.3% average battery degradation rate. High-power DC fast charging is the top risk factor.