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Notes on the Intel 8086 processor's arithmetic-logic unit
In 1978, Intel introduced the 8086 processor, a revolutionary chip that led to the modern x86 architecture. Unlike modern 64-bit processors,...
Topics /
Hardware & Electronics
The most popular blog posts about hardware & electronics on Hacker News. 4,806 posts.
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Compiling OCaml to the TI-84 CE Calculator
In this post, I’ll explain how I compiled an OCaml program to run on a TI-84+ CE calculator. 🐪
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The Perfect Laptop
Personal preference is an interesting thing. People can have a particular preference for something until they are able to experience something else. As we gain experience, our personal preference gets more finely tuned.
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What can 6,000 electric vehicles tell us about EV battery health?
Analysis of electric vehicle battery health of 22K+ EVs reveals a 2.3% average battery degradation rate. High-power DC fast charging is the top risk factor.
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How to pick a good monitor for software development
Buying a new monitor is stressful because there's so many things to understand. After reading this article, you will know what to look for.
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Canyon HUD helmet for road riding
Performance and safety information with an audio and haptic communication system allows you to receive warnings before you see them.
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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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Solving my truck’s TPMS sensor problem with the help of an RTL-SDR dongle
This post is going to be a bit different from my usual posts. It’s still about computers, but it’s about a different type of computer: the computer modules in my 2009 Dodge Ram 1500 pickup. Vehicles these days have lots of computers in them. I’ve historically been afraid to mess too much with them in fear of screwing…
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The first wired XR glasses powered by Android XR
XREAL AURA, the first wired XR glasses powered by Android XR, lets you work, watch, and play anywhere with Gemini by your side.
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Is the x86 Architecture Sustainable?
Robert O'Callahan. Christian. Kiwi. Software guy. All content human-authored unless otherwise noted.
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Magic Leap: When Reality Hits the Fan
Largely A Summary With Some New Information I have covered a lot of material and even then only glossed at the surface of what I have learned about Magic Leap (ML). By combining the information ava…
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The Begining of the End for ANT+ Wireless
First off, no, your ANT+ devices aren’t goin...
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Teletext on a BBC Computer in 2024
Before the Internet, if we wanted to read up-to-the-minute news or weather, we had Teletext. It is a low-bandwidth text standard that used to be sent via the hidden black border on TV signals.
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A Tektronix TDS 684B Oscilloscope Uses CCD Analog Memory
I have a Tektronix TDS 684B oscilloscope that I bought cheaply at an auction. It has 4 channels, 1 GHz of BW and a sample rate of 5 Gsps. Those are respectable numbers even by today’s standards. It’s also the main reason why I have it: compared to modern oscilloscopes, the other features aren’t nearly as impressive…
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Most long-standing XHCI (USB 3.0+) issues resolved
Last month, I sat down and decided to at the very least attempt to fix our XHCI (USB 3 host controller) bus driver. Issues with it have been the most significant problem users have been facing, as most hardware made post-2012 has an XHCI chip as the …
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Restoring a Sun SPARCstation IPX part 1: PSU and NVRAM (2020)
Repairing a dead power supply and replacing the NVRAM in a vintage UNIX workstation.
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On CPU backdoors - Trusting hardware
So, you're a decent paranoid person, running only open source software on your box: Linux, GNU, etc. You have the feeling you could, if you ...
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Silicon die analysis: inside an op amp with interesting “butterfly” transistors
Some integrated circuits have very interesting dies under a microscope, like the chip below with designs that look kind of like butterflies....
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Fixing analog audio on the $2.58 HDMI-to-VGA adapter
Adventures in programming, hardware, DSP, and chiptune
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IRIX 3dfx Voodoo driver and glide2x IRIX port
At the moment only SST1 (Voodoo1) is supported on IP32 (O2). Only tested on IRIX 6.5.30 with RM7000C CPU. -driver sources (SST1 and CVG support on IP32) https://github.com/sdz-mods/tdfx_irix -glide2x IRIX port (SST1 on IP32) https://github.com/sdz-mods/glide_irix -hinv wrapper with 3dfx support…
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B2fJ – A Java Virtual Machine to run on the 8-bit home computers of the 80s
Back to the Future Java (b2fJ) aims at bringing the power of Java to 8-bit home computers of the ’80s. This project provides a toolchain to cross-compile Java programs under Windows.
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Dick Smith’s Wizzard-ry 8 (Bit)
Homemade clone of the Dick Smith Wizzard/VTech CreatiVision game console.
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Adventures in Wearable Electronics – Making a Light-up Dress
Samuel Clay is a grad student in the schools of design and of engineering at Harvard. He founded NewsBlur , a personal RSS news reader, and Turn Touch , beautiful control for the smart home.
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A look at IBM S/360 core memory: In the 1960s, 128 kilobytes weighed 610 pounds
I recently received a vintage core memory array, part of an IBM System/360 mainframe computer. These arrays were used in a 128-kilobyte core...