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Raspberry Pi Pico audio player
A weblog about technology including Arduino, Raspberry, Attiny, 3D printing, Electronics, tinkering and all kinds of diy projects.
New
The latest blog posts to take off on Hacker News. 4,805 posts.
Hardware & Electronics
Any year
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The most unhinged video wall, made out of Chromebooks
This is the story of our three year long journey to turn a fleet of laptops into what can only be described as the world's most unhinged video wall.
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Why it's so hard to build a jet engine
Civilization's toughest technical challenges are those that require extraordinary (and constantly improving) performance to be delivered at a low cost.
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AMD RDNA 4 – AMD Radeon RX 9000 Series Graphics Cards
New AMD Radeon RX 9000 Series graphics cards deliver enthusiast-level gaming experiences supercharged by AI.
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Turning my ESP32 into a DNS sinkhole to fight doomscrolling
A fun project that I learned a lot from.
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Nvidia emulation journey, part 1: RIVA 128/NV3 architecture history and overview
An exploration of efforts to create a functional emulation of NVIDIA GPUs.
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iMac G4(K)
A year ago I tried using an M1 iMac for work duty but its 21" screen took up too much room on my desk. After seeing Sean's video on Action Retro about putting an M4 Mac Mini inside an iMac G4 , I thought I'd give it a try.
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The Miserable State of Modems and Mobile Network Operators
This is a story of the complexities of cellular connectivity, the perils of closed ecosystems, and how to debug what you cannot see.
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Defragging my old Dell's UEFI NVRAM
I’m setting up an old Dell box (2011-era tech). I was migrating to some new boot drives and setting up grub on them again. Got to the point of deleting the old boot entries and adding new ones, and got an error like Could not prepare boot variable: No space left on device. Weird, because there weren’t that many EFI…
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But good sir, what is electricity?
A quick look at the physics of conductors, insulators, and electric charges.
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I found a backdoor into my bed
Eight Sleep smart bed found to contain an exposed AWS key and a likely backdoor that allowed engineers to remotely access users' beds
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Helix: A vision-language-action model for generalist humanoid control
Figure was founded with the ambition to change the world.
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FAQ on Microsoft's topological qubit thing
Q1. Did you see Microsoft’s announcement?A. Yes, thanks, you can stop emailing to ask! Microsoft’s Chetan Nayak was even kind enough to give me a personal briefing a few weeks ago. Yest…
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Microsoft unveils Majorana 1 quantum processor
Majorana 1 from Microsoft is the world’s first Quantum Processing Unit (QPU) built with a topoconductor. Discover more.
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Microsoft's Majorana 1 chip carves new path for quantum computing
Majorana 1, the first quantum chip powered by a new Topological Core architecture
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Apple Debuts iPhone 16e
Apple today announced iPhone 16e, a new addition to the iPhone 16 lineup that offers powerful capabilities at a more affordable price.
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Thoughts on Daylight Computer
on the Amtrak from Denver to Sacramento When I get to write or read on a screen that’s reflecting the sun back at me instead of needing to be shielded from it, I get a dose of this feeling that this is what all computing could feel like. I want so much more of this in my life. This is a piece of hardware that makes me…
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A vending machine, on the internet
These days, every new business seems to be a SaaS. I remember when software worked differently: you bought it, installed it, and used it without having to create an account, remember a password, or even connect to the internet. Your data lived on your C drive, and you were in control. Software was a tool, like a…
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Sony FX-300 Jackal: A technological marvel of the late 70s (2021)
I’m a child of the 1970s and I’m glad I never knew about the Sony FX-300 “Jackal 300.” It would have been the ultimate unobtainable machine of my dreams…this, even des…
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Surface-Stable Fractal Dither on Playdate
Rune Skovbo Johansen has a really sweet Surface-Stable Fractal Dithering technique, where the dither dots “stick” to 3D surfaces, yet the dot density adapts to the view distance and zoom level.
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Homemade polarimetric synthetic aperture radar drone
Designing a cheap synthetic aperture radar mounted on FPV drone.
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The 8-Bit Era's Weird Uncle: The TI-99/4A
It’s been awhile since I’ve looked at an architecture that’s completely new to me, and I haven’t done any since creating my new scheme for dedicated platform guides. I’…
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TSMC faces tough choices amid rumors for Intel foundry collaboration
Following a routine board meeting that did not present any surprises to the market, TSMC executives, alongside Taiwan’s Deputy Minister of Economic Affairs, are set to engage in negotiations with the U.S.
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The subtle art of designing physical controls for cars
Prototyping a concept for simpler, physical climate controls
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NAT Is the Enemy of Low Power Devices
If you have ever tried communicating with a device on a private network, you may have encountered Network Address Translation (NAT). Because the number of connected devices has long outpaced the number of unique addresses in the IPv4 address space, public IP addresses have to be shared between devices. This introduces…
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Building a personal, private AI computer on a budget
As everyone is well aware, the world is still going nuts trying to develop more, newer and better AI tools. Mostly by throwing absurd amounts of money at the problem. Many of those billions go towards building cheap or free services that operate at a significant loss. The tech giants that run them all are hoping to…
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Bad Smart Watch Authentication
IDO based smart watches are a security nightmare, and there's likely millions of them out there
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