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Privacy friendly ESP32 smart doorbell with Home Assistant local integration
Privacy focused “smart” doorbells seem to be few and far between so I decided to build one that integrates with Home Assistant via ESPHome and is easy to build.
Topics /
Hardware & Electronics
The most popular blog posts about hardware & electronics on Hacker News. 474 posts.
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USB-C head-to-head comparison
CT scans of four USB-C cables from $4 to $129 reveal nine-layer PCBs, length-matched signal traces, and floating pins.
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How the Xbox 360 knows if your hard drive is genuine
Reverse engineering the kernel-mode authenticity check, and how Microsoft knows about your hacked/custom hard-drive.
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Turning a TV set-top box into a Linux computer (2022)
We hack an Android TV box into something useful
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Replacing my MacBook Air M1 with a ThinkPad T480
In which you probably wonder, but ...why?
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Barcelona Supercomputing Center presents Sargantana: new open-source RISC-V chip
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Apple Introduces M2 Ultra
Apple today announced M2 Ultra, a new system on a chip (SoC) that delivers huge performance increases to the Mac and completes the M2 family.
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Recovering secret keys from devices using video footage of their power LED
Exploiting a Video Camera's Rolling Shutter to Recover Secret Keys from Devices Using Video Footage of Their Power LED
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New world record with an electric racing car: From 0 to 100 in 0.956 seconds
Students from ETH Zurich and Lucerne University of Applied Sciences and Arts have broken the previous world record for acceleration with their hand-built electric racing car, mythen. The vehicle accelerated from zero to 100 km/h in 0.956 seconds over a distance of 12.3 metres.
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Cray-1 vs Raspberry Pi
Cray 1 Supercomputer Performance Comparisons With Home Computers Phones and Tablets
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How to start a rocket engine
This article answeres the questions of how to start a rocket engine and takes you on a deep dive into spark plugs, torch ignitors and more.
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Making AMD GPUs competitive for LLM inference
MLC-LLM makes it possible to compile LLMs and deploy them on AMD GPUs using ROCm with competitive performance. More specifically, AMD Radeon™ RX 7900 XTX gives 80% of the speed of NVIDIA® GeForce RTX™ 4090 and 94% of the speed of NVIDIA® GeForce RTX™ 3090Ti for Llama2-7B/13B. Besides ROCm, our Vulkan support allows us…
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Bypassing Bitlocker using a cheap logic analyzer on a Lenovo laptop
Have you ever been told that the company’s data on laptops is protected thanks to BitLocker? Well it turns out that this depends on BitLocker’s configuration…
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Raspberry Pi receives strategic investment from Arm
Arm has acquired a minority stake in Raspberry Pi, further extending a successful long-term partnership between the two companies.
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Zimaboard: The closest thing to my dream home server setup
I gave in to my impulses and bought myself a small single board computer to be my power-efficient home server, here's how it went.
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Which GPU(s) 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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LogoFAIL: Secure Boot bypass with manipulated boot logos
LogoFAIL by BINARLY: Discover how vulnerable image parsing impacts device manufacturers in the UEFI firmware ecosystem. Learn about critical LogoFAIL…
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ECC RAM on AMD Ryzen 7000 Desktop CPUs
Getting ECC memory working on desktop CPUs.
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Whisper: Nvidia RTX 4090 vs. M1 Pro with MLX
How fast is my Whisper Benchmark with the MLX Framework from Apple? Nvidia 4090 / M1 Pro / M2 Ultra / M3
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Android and RISC-V: What you need to know to be ready
You can build, test, and run the Android support for RISC-V on your own machine.
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27 years later and the Psion 3a is still wonderful (2020)
My daughter found my Psion 3a the other day, tucked at the back of a cupboard she was clearing out for me. It looked fine and is still in excellent aesthetic condition, and fortunately I had left n…
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Coming Soon: Fedora for Apple Silicon Macs
The first official release of Fedora Asahi Remix is slated to be available by the end of August 2023!
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WInd3x, the iPod Bootrom exploit 10 years too late
This is a write-up of the wInd3x bootrom exploit affecting iPod Nanos from 3rd gen to 5th gen. A ready-made tool to use this exploit is available at github.com/freemyipod/wInd3x .
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My cat water fountain comes with a spicy USB power adapter
It turns out that you can't trust any USB type A power adapter to be within spec.