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High-power microwave defeats drone swarm
Epirus announced today the results of an August 26 demonstration of the company’s Leonidas high-power microwave (HPM) system that delivers weaponized…
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The latest blog posts to take off on Hacker News. 4,805 posts.
Hardware & Electronics
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Athlon 64: How AMD turned the tables on Intel
Better 32-bit performance was worth trading some 64-bit performance to get
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Testing the Raspberry Pi 500+'s new mechanical keyboard
Instead of a traditional review of a new Pi product, I thought I'd split things up on my blog, and write two separate posts; this one about the Pi 500+'s new mechanical keyboard, and a separate post about hacking in an eGPU on the Pi 500+, for a massive uplift in gaming performance and local LLMs. The Raspberry Pi…
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Raspberry Pi 500+
A complete desktop PC built into a high-quality mechanical keyboard, with 16GB RAM and a 256GB SSD for high performance under heavy load.
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CT scans of 1k lithium-ion batteries show quality risks in inexpensive cells
Lumafield’s Battery Quality Report exposes hidden risks in 18650 cells; 1 in 13 low-cost units have dangerous defects. See how CT helps enforce safety.
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Meshtastic 64 – A meshtastic radio for the Commodore 64
For this project I designed and built a meshtastic radio that plugs directly into the Commodore 64. My goal was to release this at the VCF M...
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I'm spoiled by Apple Silicon but still love Framework
A personal comparison of battery life between my MacBook M1 Pro and Framework 13
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Spectral Labs releases SGS-1: the first generative model for structured CAD
Spectral Labs releases SGS-1: the first generative model for structured CAD.
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A vibrator helped me debug a motorcycle brake light system
A tale of debugging hardware with unconventional methods. How I perfected the firmware of BrakeBright (a motorcycle safety device) using a vibrator.
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FLX1s phone is launched
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I regret building this $3000 Pi AI cluster
I ordered a set of 10 Compute Blades in April 2023 (two years ago), and they just arrived a few weeks ago. In that time Raspberry Pi upgraded the CM4 to a CM5, so I ordered a set of 10 16GB CM5 Lite modules for my blade cluster. That should give me 160 GB of total RAM to play with. This was the biggest Pi cluster I've…
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Shipping 100 hardware units in under eight weeks
Someone once told me hardware is hard...
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Meta Ray-Ban Display
The wait is over. Meta Ray-Ban Display hits shelves in the US today!
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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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How to make the Framework Desktop run even quieter
Discover how custom Noctua mods and 3D-printed parts can make the Framework Desktop PC cooler, quieter, and even more impressive.
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Things you can do with a Software Defined Radio (2024)
Last week, I went on an adventure through the electromagnetic spectrum!
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Hosting a website on a disposable vape
Someone's trash is another person's web server.
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Wanted to spy on my dog, ended up spying on TP-Link
I recently bought a cheap Tapo indoor camera to see what my dog gets up to when I am out of the house.
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Orange Pi RV2 $40 RISC-V SBC: Friendly Gateway to IoT and AI Projects
Anisha Sharma Marketing Specialist, RISC-V International Anisha is part of the RISC-V International marketing team, responsible for managing social media and tracking the latest updates from our members. She brings...
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CubeSats are fascinating learning tools for space
These are CubeSats. Satellites that are going to space—or at least, the ones I have here are prototypes. But these have one thing in common: they're all powered by either a Raspberry Pi, or a microcontroller. There are already Pis in space, like on Mark Rober's SatGus, on GASPACS, and the Astro Pis on the Space…
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How big a solar battery do I need to store all my home's electricity?
I have a modest set of solar panels on an entirely ordinary house in suburban London. On average they generate about 3,800kWh per year. We also use about 3,800kWh of electricity each year. Obviously, we can't use all the power produced over summer and we need to buy power in winter. So here's my question: How big a…
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Refurb Weekend: Silicon Graphics Indigo² Impact 10000
It's one of my periodic downsizing cycles, which means checking the hardware inventory (and, intermittently, discovering things that were no...
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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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Apple Debuts iPhone 17
Apple today announced iPhone 17, featuring the new Center Stage front camera, a 48MP Fusion Main camera, and a new 48MP Fusion Ultra Wide camera.
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iPhone Air
Apple today debuted the all-new iPhone Air, the thinnest iPhone ever made, with pro performance.
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Weird CPU architectures, the MOV only CPU (2020)
I like CPU architectures, especially weird, interesting and unusual ones. For example, the Intel iAPX 432 is still something I would love to play around with. Recently, I realized that a working CPU can be made with just a simple Move instruction. For this to work, everything needs to be memory mapped. The ALU…