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Enhancing your MIDI devices with Perl
This post also appeared on perl.com.
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IP over Lasers
Mike Kohn's music, software, and electronics projects.
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How To Build A Smartwatch: Software
PebbleOS, mobile app, SDK improvements and more!
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Help My c64 caught on fire
Angelo Pesce's homepage & blog on computers, graphics and other things.
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The Whispering Earring
Cleaner, easier-to-reference repo of Scott Alexander’s The Whispering Earring (that’s the Schelling title, real title below). Original from livejournal is ba...
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AMD YOLO
AMD is sending us the two MI300X boxes we asked for. They are in the mail.
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I turned a 40 year old Apple Mouse into a speech to text button
A place to play around with technology and make it easy and fun
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ML on Apple ][+
Success! There is machine learning happening on my Apple ][+.
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Worlds first petahertz transistor at ambient conditions
In a groundbreaking international effort, researchers demonstrated a way to to manipulate electrons using pulses of light that last less than a trillionth of a second to record electrons bypassing a physical barrier almost instantaneously.
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Ploopy Classic 2 open source trackball
The Classic 2 is a brand new revision of the original Classic, and kits are available today starting at $144CAD !
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How to run an Arduino for years on a battery (2021)
Build an autonomous Arduino system optimized for ultra-low power consumption. How to Run an Arduino for Years on a Battery Build an autonomous Arduino.
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Microsoft's Majorana 1 chip carves new path for quantum computing
Majorana 1, the first quantum chip powered by a new Topological Core architecture
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Not all OCuLink eGPU docks are created equal
I recently tried using the Minisforum DEG1 GPU Dock with a Raspberry Pi 500+, using an M.2 to OCuLink adapter, and this chenyang SFF-8611 Cable. After figuring out there's a power button on the DEG1 (which needs to be turned on), and after fiddling around with the switches on the PCB (hidden under the large metal…
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Open Source SDR Ham Transceiver Prototype
The future is here: LinHT booted up successfully for the first time. We believe that Software Defined Transceivers will be the next big trend in amateur radio.
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YouTube audio quality – How good does it get? (2022)
You Tube is clearly used by a very large number of people. In general, they will be interested in watching videos of various types of content. One specific purpose is that it gets used to distribute, and make people aware of, audio recordings. A conversation on the “Pink Fish” webforum devoted to music and audio set…
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Sony DTC-700 audio DAT player/recorder
What offers the convenience of a cassette tape, and the sound quality of a CD? Digital Audio Tape (DAT) does. So why wasn’t it more successful?
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The Arduino Uno Q is a weird hybrid SBC
The Arduino Uno Q is... a weird board. It's the first product born out of Qualcomm's buyout of Arduino. It's like if you married an Intel CPU, and a Raspberry Pi RP2040 microcontroller—oh wait, Radxa's X4 did that. Arduino even tried it before with their old Yún board, which had Linux running on a MIPS CPU, married to…
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Virtualizing Nvidia HGX B200 GPUs with Open Source
This blog post covers how we virtualized NVIDIA HGX B200 GPUs using open-source software. It talks about VFIO passthrough, QEMU PCI topology fixes, large BAR boot stalls, and Fabric Manager partitions.
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Meta RayBan AR glasses shows Lumus waveguide structures in leaked video
Introduction Just a short note today. I’m in the middle of my trip, which will end in Eindhoven next week (see notice at the end of this article), when I heard that Meta had leaked a video on…
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NVIDIA DGX Spark In-Depth Review: A New Standard for Local AI Inference
Thanks to NVIDIA’s early access program, we are thrilled to get our hands on the NVIDIA DGX™ Spark. It’s quite an unconventional system, as NVIDIA rarely releases compact, all-in-one machines that bring supercomputing-class performance to a desktop workstation form factor.
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Resizeable Bar Support on the Raspberry Pi
While not an absolute requirement for modern graphics card support on Linux, Resizeable BAR support makes GPUs go faster, by allowing GPUs to throw data back and forth on the PCIe bus in chunks larger than 256 MB. In January, I opened an issue in the Raspberry Pi Linux repo, Resizable BAR support on Pi 5. Unlike most…
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A Lost IBM PC/at Model? Analyzing a Newfound Old Bios
VileR's blog: old school PCs, games, graphics, programming, fonts, demos, and so on.
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Researchers achieved 1,270 Wh/L in an anode-free lithium metal battery
[POSTECH, KAIST, and Gyeongsang National University achieve a record-breaking energy density of 1,270 Wh/L]
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Converting a Go-Kart into a Deathtrap
Este artículo también está disponible en Español 🇪🇸
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Exploring Dithering on Spectra 6-color E-Ink Displays
I have tested the XIAO ePaper DIY Kit (ESP32-S3) – EE04 from Seeed Studio in depth. While its 6-color Spectra 6 display is impressive out of the box, I wanted to see if software could overcome hardware limitations. In this post, I’ll share how I’ve pushed this hardware to its limits by using dithering techniques to…
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Exploiting zero days in abandoned hardware
We successfully exploited two discontinued network devices at DistrictCon’s inaugural Junkyard competition in February, winning runner-up for Most Innovative Exploitation Technique. Our exploit chains demonstrate why end-of-life hardware poses persistent security risks.
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