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Examining the silicon dies of the Intel 386 processor
You might think of the Intel 386 processor (1985) as just an early processor in the x86 line, but the 386 was a critical turning point for m...
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Don't waste money on a math coprocessor they said
Well it’s been no secret, but OS/2 6.123 on my PS/2 model 80, is insanely unstable running simple MS-DOS based games (large EXE’s)
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System76's coreboot open firmware manages to disable Intel ME for Raptor Lake
Read about the latest performance boosts, disabling Intel ME, Windows 11 support, and more!
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Review of Hetzner ARM64 servers and experience of WebP cloud services on them
TL；DR： Hetzner ARM64 performs very well, with the 4-core CAX21 (ARM64, 4 cores, 8GB RAM) machine only being 8% slower in WebP conversion speed compared to the 3-core CPX21 (AMD64, 3 cores, 4GB RAM), while the price difference between the two is 14% (8.40 USD/mo vs 9.76 USD/mo). Additionally, the CAX21 offers twice the…
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A WiFi color eInk picture frame
A while ago, our little one was born. As unfortunately her (great-)grandparents are located somewhat spread out over the globe, real-life visits can't happen too often. Obviously, video calling is a thing nowadays, so we keep in contact. Still, I wanted everyone to also be able to see her when we weren't online…
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Removal of Mazda Connected Services integration
Why the integration has been removed from Home Assistant in 2023.10.2.
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DOOM maps to SVG to laser cutter
I’ve heard a lot about classic Doom’s data format and decided to write some Rust code to extract its maps and convert that to vector graphics I could laser cut.
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Meta’s Reality Labs prototype hardware
Both Butterscotch Varifocal and Flamera are very much in the research stage, and the technologies they’re investigating may never make their way into a consumer-facing product. And, as we hope you’ll come to see, that’s very much the point.
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Bare-metal Rust in Android
Posted by Andrew Walbran, Android Rust Team Last year we wrote about how moving native code in Android from C++ to Rust has resulted in ...
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HDMI ISA graphics card for vintage PCs by improving the Graphics Gremlin
HDMI is a relatively modern video connector we take for granted on modern PCs and monitors. Now vintage PCs can join in the fun too with a native connection to modern HDMI monitors without any additional adapter. (A production run has been made for this board. You can contact explit[at]mailbox[dot]org if you wish to…
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Lisp Badge LE
This is a self-contained low-power computer with its own display and keyboard that you can program in uLisp, a version of the high-level language Lisp for microcontrollers:
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How a CPU works: Bare metal C on my RISC-V toy CPU
I always wanted to understand how a CPU works, how it transitions from one instruction to the next and makes a computer work. So I thought: let's implement one and run a C program on it.
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Generating aerial imagery with your iPhone's Lidar sensor
This technical guide details how you can create your own aerial imagery and 3D models of streets with the built in iPhone LiDAR sensor and open source tools in the OpenDroneMap package.
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FlipperZero: 1 Month Battery Life with Firmware Update
We are proud to announce that starting the firmware version 0.82, your Flipper Zero's battery life will last up to 1 month! It took us 2 years to resolve all firmware issues that prevented Flipper Zero from switching to power-saving mode, resulting in the same power consumption baseline in
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Using ChatGPT for home automation
In another thrilling adventure with ChatGPT, I endeavored to integrate it with a Raspberry Pi, effectively turning it into my own personal light switch. My custom ChatGPT plugin, sporting just two ...
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Sorting waste and recyclables with a fleet of robots
Posted by Sergey Levine, Research Scientist, and Alexander Herzog, Staff Research Software Engineer, Google Research, Brain Team Reinforcement lear...
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From Zero to main(): Bare metal C (2019)
A community and blog for embedded software makers
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Toyota adopts the North American charging standard
PLANO, Texas (Oct. 19, 2023) – Toyota Motor North America, Inc. (TMNA) today announced it has reached an agreement with Tesla, Inc. to adopt the North American Charging Standard (NACS) on its battery electric vehicles (BEVs) beginning in 2025. In […]
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ThinMachine – A $25 thin client macOS Time Machine appliance
The instructions below set up Time Machine using the Apple File Protocol (AFP). After publishing this blog post, I’ve been told that this is now deprecated and that Samba should be used instead. I’ll update this blog post in the near future.
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Voder Speech Synthesizer
A web emulation of Bell Labs VODER speech synthesizer from the 1939-40 New York World's Fair.
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Why libvirt supports only 14 PCIe hotplugged devices on x86-64
You might have used libvirt , a Linux daemon that provides an abstraction and management layer for virtualization software. This daemon allows you to submit an XML file containing a description of a VM, disk image or network. libvirt is then able to configure, start it and keep it running.
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Can Dell’s 6K monitor beat their 8K monitor?
For the last 10 years, I have been interested in hi-DPI monitors, and recently I read about an interesting new monitor: Dell’s 32-inch 6K monitor (U3224KBA), a productivity monitor that offers plenty of modern connectivity options like DisplayPort 2, HDMI 2 and Thunderbolt 4.
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The Great CPU Stagnation
A blog by and for database architects.
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Pwning the all Google phone with a non-Google bug
It turns out that the first “all Google” phone includes a non-Google bug. Learn about the details of CVE-2022-38181, a vulnerability in the Arm Mali GPU. Join me on my journey through reporting the vulnerability to the Android security team, and the exploit that used this vulnerability to gain arbitrary kernel code…