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The Intel 8088 processor's instruction prefetch circuitry: a look inside
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor. IBM's decision to use the 8088 processor in the I...
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,806 posts.
Hardware & Electronics
Any year
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Creating a pick and place control board with the RP2040
A look into the hardware design of Starfish
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18' Canoe from One Sheet of Plywood
The prospect of building a one sheet kayak, as presented in the original Prism section , has aroused some interest. The original "maximum volume" kayak Prism would not be suitable for a kayaking beginner, however, unless he or she was equipped with excellent balancing abilitites. This design is an attempt to overcome…
2435
The laptop that won't die
My $200, 12-year-old Thinkpad has outlasted two high-end Macbooks
2436
Galaxy XR: The first Android XR headset
Galaxy XR is now available today. Here’s what to expect.
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I couldn't wait for the new Mac Pro
For those of you coming from Hacker News wondering why I need OS X it’s because I’m an indie developer that makes this. I’m not sure if it was the after the 4th or 5th time my Macbook Air hard crashed rendering in Final Cut Pro that my planned upgrade timing would need to be brought forward. In any case, the writing…
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My new PSU burns out – I fix it, and torture it by cracking water
My brand new PSU, themost complicated circuit I designed and built just recently, startedlife in October 2023. It seemed to work pretty well, at least I gott...
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In love with the BBC micro:bit
I finally got my hands on the micro:bit , the BBC ’s new educational computer and spiritual successor to the legendary BBC Micro , and I’m absolutely in love with its potential as a platform for learning how to code.
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RISC in 2022
You are seeing this because the administrator of this website has set up Anubis to protect the server against the scourge of AI companies aggressively scraping websites . This can and does cause downtime for the websites, which makes their resources inaccessible for everyone.
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RoboCat – A Self-Improving Robotic Agent
Robots are quickly becoming part of our everyday lives, but they’re often only programmed to perform specific tasks well. While harnessing recent advances in AI could lead to robots that could help in many more ways, progress in building general-purpose robots is slower in part because of the time needed to collect…
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New bioinspired robot flies, rolls, walks, and more
Developed at Caltech's Center for Autonomous Systems and Technologies, a new robot can autonomously choose from a variety of motions to move through a complex environment.
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Programming ARM μC in Rust at four different levels of abstraction
This content was originally meant to be presented as part of my workshop on Rust and microcontrollers at the NITC FOSSMeet 2018 . As I was not able to cover it satisfactorily during the workshop, I thought of writing it down!
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Making holograms with a pen plotter
I have a pen-plotter! It’s great. It’s like having a printer but slow and it breaks more often. I got it on eBay and it came sorta broken and I immediately spent the difference between what I paid and the price of new one fixing it. Now it’s fixed!
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Making a Ponyo boat
If you've seen the film Ponyo (or if you grew up in Asia) you may have seen a sort of toy boat powered by a very simple steam engine. This...
2447
I Love My PinePhone
An attempt to document my experiences and rationale for wanting to use a PinePhone, as well as my thoughts on mobile Linux in general.
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Apple’s Newest OLED Supplier
BOE Technology
2449
How Pulse Oximeters Work (2015)
Principles of how pulse oximetry works explained without using complicated physics.
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Upstream Linux support available for Qualcomm Snapdragon 8 Gen 3 Mobile Platform
Effortless upstream Linux integration, powerful performance optimization, running AOSP with Mainline and last but not least continued collaboration
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Brilliant Hardware in the Valley of the Software Slump
Our software feels less refined as our hardware achieves platonic ideals
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Programming in the Sun: A Year with the Daylight Computer
I’ve been hinting on X/Twitter about my use of the Daylight DC-1 as a programming environment, and after about a year of use, it’s time to write about it in longer form. This isn’t a full product review, but rather an experience report on coding in sunlight. It’s also about the Boox Tab Ultra – which has a different…
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A satellite engineer explains the basics of space electronics
Whether it’s surviving a turbulent rocket launch, or warding off radiation from the galaxy, Brady Salz of Astranis explains some of the unique challenges of designing printed circuit boards (PCBs) for space.
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Monitoring my weather at home
Weather is often hyper-local. For example, trying to suss out the temperature this morning:
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Projects: hijack (Hijacking the iPhone earphone jack)
Hijacking power and bandwidth from the mobile phone's audio interface. Creating a cubic-inch peripheral sensor ecosystem for the mobile phone.