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Amiga 1000: Ten years ahead of its time
This computer was so good and so far out there, we didn't know what we had.
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Building a robotics research setup that lives next to my desk
The first note in an independent robotics research project: a complete tabletop manipulation setup—industrial arm, two cameras, teleoperation, and a software stack built from scratch—for under €5,000.
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IBM Unveils Next Generation Dual-Architecture Processor for IBM Z and LinuxONE
The new processor is being developed to allow organizations to run Arm-native Linux environments simultaneously with z/OS and Linux on IBM Z, while benefiting from IBM’s established security, reliability, and scale.
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How I leared what a decoupling capacitor is for, the hard way
I was very excited to get the latest version of my PCB from the manufacturer.
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3D printing my laptop ergonomic setup
Apparently, one of my hobbies is making updates to my ergonomic setup, then blogging about it from an Amtrak train. I've gone and done it again.
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Punkt. Unveils MC03 Smartphone
Punkt. unveils MC03, its latest smartphone designed to give users full control over personal data, privacy, and device usage.
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Porting the ThinkPad X61 to Coreboot
An introduction to my IBM/Lenovo ThinkPad addiction Over 10 years ago I got my first ThinkPad x60. I got interested in free software by reading the about GNU …
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BIO: The Bao I/O Coprocessor
BIO is the I/O co-processor in the Baochip-1x, a mostly open source 22nm SoC I helped design. You can read more about the Baochip-1x’s background here , or pick up an evaluation board at Crowd Supply .
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Hardware hotplug events on Linux, the gory details
Maybe the code shouldn't be the only documentation?
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Starlink militarization and its impact on global strategic stability (2023)
In this piece, two researchers from PLA-affiliated National University of Defense Technology argue that Starlink will negatively impact global stability, in light of its clear military applications, increased risks of accidents and collisions in space, and SpaceX's close relationship with the U.S. military. The…
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Electric motor scaling laws and inertia in robot actuators
Engineering contraptions
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The Physics of GPS
An interactive exploration of how GPS works: from the speed of light and trilateration to the cheap clock problem and Einstein's relativity corrections.
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Fun With Pinball
Fun With Pinball small board assembly instructions explanations flipper solenoid stepper video
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New 14‑inch MacBook Pro with M6
Apple today announced the new 14-inch MacBook Pro with M6, delivering more performance, powerful on-device AI capabilities, and faster connectivity.
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An iroh powered smart fan
Putting iroh on a bare ESP32 to build a temperature-driven smart fan you can check on from anywhere.
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CPU Counters on Apple Silicon: article + tool
Last time I wrote about profiling in Zig on Apple Silicon, I touched on PMU counter profiling. This time I decided to go further and create my own tool to fetch all available counters for Apple Silicon processors (M1, M2, and later). Brief explanation of PMU counters PMU (Performance Monitoring Unit) counters are…
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iPhone Duo Teardown
We took the Duo all the way down to the gears, followed glowing dust into its hinge, and put its crease-hiding nano-texture under the microscope.
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TSMC Risk
If hyperscalers and chip companies don’t build up a TSMC competitor they are set to forego billions of dollars in revenue and stunt the AI revolution.
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Raspberry Pi Pico 2 at 873.5MHz with 3.05V Core Abuse
Adventures with dry ice and RP2350 - how fast can it go?
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Reviving a four year old reMarkable 2
I found my old reMarkable 2 paper tablet, bought in 2021, it had sat unused for ~4 years or so. The device was in a sorry state:
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Designing and assembling my first PCB
About a couple months ago I purchased an Arduino Nano ESP32 dev board. I had this sudden itch and I wanted to play around with hardware. I don't really have much experience in this space, besides working on firmware for an IoT company over a decade ago, but I've written tons of software over the years. I was very…
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Discovering hard disk physical geometry through microbenchmarking (2019)
Modern hard drives store an incredible amount of data in a small space, and are still the default choice for high-capacity (though not highest-performance) storage. While hard drives have been around since the 1950s, the current 3.5″ form factor (actually 4″ wide) appeared in the early 1980s. Since then, the capacity…
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M5Stack Launches PaperMono
M5Stack today launches PaperMono, a compact ESP32-S3-based E-Ink development terminal designed for low-power information display, interaction, and connected IoT projects. PaperMono is now available through the M5Stack Store. Product Value Featuring a 3.97-inch 4-level grayscale E-Ink display, touch input, integrated…
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AI Chip Architectures
A look at AI Chip Architectures. NVIDIA, AMD, TPUs, Trainium, Groq, Cerebras.
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Ode to the AA Battery
Recently this post from @Merocle caught my eye: I'm fixing my iFixit soldering station. I haven't used it for a long time and the battery has gone overdischarge. I hope it will come back to life. Unfortunately, there are no replacements available for sale at the moment. Devices with built-in rechargeable batteries…
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The USB Situation
I write this from the latest MacBook Pro. I've been running this as my primary machine for almost a month. When I'm not grinding out the latest soon-to-be-relea
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This PCB is brought to you by Fable 5
An experiment to design a cute PCB (without touching any tools) in plain English