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Librem 5 Phone Dogwood Thermals and Battery Life
Purism makes premium phones, laptops, mini PCs and servers running free software on PureOS. Purism products respect people's privacy and freedom while protecting their security.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,807 posts.
Hardware & Electronics
Any year
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Korg makes music with Raspberry Pi
Think of synth music, racks of keyboards, or massive DJ rigs, and Korg comes to mind. Raspberry Pi is at the heart of some of its new synthesizers.
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What Happened to Abit Motherboards
Capacitor plague and bad accounting practices were a lethal one-two punch
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A one-bit processor explained: reverse-engineering the vintage MC14500B
The Motorola MC14500B 1 is a 1-bit processor introduced in 1976. While a 1-bit processor might seem almost useless, 2 it was marketed as...
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This Year in Embedded Rust
As 2021 draws to a close, we thought we'd take a look back at what's happened over the last year in Embedded Rust, both within the working group and in the larger community.
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Facebook Surround 360: An Open 3D-360 video capture system
Visit the post for more.
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Google open sourced PSP (hardware cryptographic offload)
We’re making the PSP Security Protocol for offloading encryption to network interface cards open source today. Here’s why.
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Controlling My A/C with a Gameboy
Last year, I was lucky enough to be gifted a Gameboy Color in great shape. Apart from its intended gameplay features, I also wanted to try and build something meaningful with it, so I made this application to control my air-conditioner over its existing, reverse-engineered infrared protocol.
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First 2D, non-silicon computer developed
In a world first, a team led by researchers at Penn State used two-dimensional materials, which are only an atom thick and retain their properties at that scale, unlike silicon, to develop a computer capable of simple operations. The advancement, published in Nature, represents a major leap toward the realization of…
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Converting a Cisco 7609 into a beer tap (2021)
Last year I thought that we had reached some sort of peak in terms of how far one can go in building useless things by converting a 42U rack into a
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US Senator: What Do Our Cars Know? and Who Do They Share That Information With?
U.S. Senator Ed Markey of Massachusetts has sent a much-needed letter to car manufacturers asking them to clarify a surprisingly hard question to answer: what data cars collect? Who has the ability to access that data? Private companies can often be a black box of secrecy that obscure basic facts...
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Nicole gets a real computer – the Microsoft Z80 SoftCard (2020)
So there I was, very happy with my Apple ][plus. But then I saw someone on the internet post, and it seems that my Apple is an overpriced box with a toy micr...
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Tethered Jailbreaks Are Back
Earlier today, a new iPhone Boot ROM exploit, checkm8 (or Apollo or Moonshine), was published on GitHub by axi0mX, affecting the iPhone 4S through the iPhone X. The vulnerability was patched in devices with A12 and A13 CPUs. As of this writing, the iPhone XS, XS Max, XR, 11, 11 Pro and 11 Pro Max […]
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I don't know Apple's endgame for the Fn/Globe key–or if Apple does
The origin and the evolution of the most confusing modifier key
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Zen5's AVX512 Teardown and More
This article was supposed to be published all at once on July 30'th. But because of the staggered launch delay into August 8 and 15, some sections of this article were redacted until August 14th.
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Home Made TPM2.0 Module
Introduction With the recent launch of Windows 11 Microsoft also made having a hardware TPM module mandatory. Although this technology is not new (it was introduced in Windows 10 and Windows Server…
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Convert an existing wired doorbell into a smart doorbell using ESPHome
This article is going to show you how to convert your (existing) wired doorbell (also works for battery-powered chimes) into a smart, WiFi-enabled, doorbell. The essential components needed sets you back about $2, yes, that is correct, just two bucks. No soldering is required and you don’t
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Solar Powered Raspberry Pi Camera
https://www.youtube.com/watch?v=M53eJI90ETE Update: this project was featured in issue 92 of the official Raspberry Pi magazine (download as PDF, buy the issue or subscribe). SSH-ing into a remote solar powered Raspberry Pi at the top of an apple tree has a special feeling -- almost like commanding a spaceship where…
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1TB Hard Drive Prices up 180% in a Month
The Newegg price charts on Camelegg sum this up illustratively:
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Geeking Out with UEFI
Some people may think some of my past posts get into the weeds, exploring the technical depths of Windows Autopilot, Intune, Windows 10, ConfigMgr, etc. But I would say those generally only g…
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Reverse-engineering the conditional jump circuitry in the 8086 processor
Intel introduced the 8086 microprocessor in 1978 and it had a huge influence on computing. I'm reverse-engineering the 8086 by examining t...