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I designed my LED matrix PCB with code
This tutorial will walk you through building a 3x5 LED matrix controlled by a Raspberry Pi Pico using tscircuit.
New
The latest blog posts to take off on Hacker News. 4,805 posts.
Hardware & Electronics
Any year
782
Fundamental flaws of SIMD ISAs (2021)
According to Flynn’s taxonomy SIMD refers to a computer architecture that can process multiple data streams with a single instruction (i.e. “Single Instruction stream, Multiple Data streams”). There are different taxonomies, and within those several different sub-categories and architectures that classify as “SIMD”.
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First Successful Lightning Triggering and Guiding Using a Drone
News Highlights: ◆We have achieved the world's first successful lightn...
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Attacking My Landlord's Boiler
How it took several months for me to get warm...
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A M.2 HDMI capture card
Have you ever looked at an NVMe drive and thought to yourself, 'Hey, this would be 31.7% cooler with HDMI ports?'
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Blog hosted on a Nintendo Wii
If you are reading this message, the experiment below is still ongoing. This page was served to you by a real Nintendo Wii.
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How encryption for Cinema Movies works
The Cinema Industry is using its own standards for creating and distributing movies in a secure way. The DCI (Digital Cinema Initiatives) specification defines everything from file formats and encryption to the projection systems itself.
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Gemma 3 QAT Models: Bringing AI to Consumer GPUs
Explore Gemma 3 models now offering state-of-the-art AI performance on consumer GPUs with new int4 quantized versions optimized with Quantization Aware Training (QAT).
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Making a smart bike dumb so it works again
My smart bike company went bankrupt, so I added a physical button to turn the light on/off
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Milwaukee M18 Battery Reverse Engineering
2023-01-01: This project has been ongoing for a while... now its time to post some of this info and see what comes of it. I have access to several junk Milwaukee M18 batteries. Age varies a little. I thought it would be 'fun' to reverse engineer a battery just to see how it functions... That is until I actually opened
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Designing a low-cost high-performance 10 MHz – 15 GHz vector network analyzer
Designing a cheap two-port vector network analyzer with good measurement accuracy.
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Hacking a Smart Home Device (2024)
How I reverse engineered an ESP32-based smart home device to gain remote control access and integrate it with Home Assistant.
796
The most famous carbon dioxide absorber
The Apollo 13 astronauts were stranded in space. Their survival depended on if they could make a carbon dioxide absorber inside the spacecraft.
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Modern 6502
Mike Kohn's music, software, and electronics projects.
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GPD Pocket 4 Speaker DSP: Configuring PipeWire so laptop speakers sound better
Configuring PipeWire to make laptop speakers sound better (Bankstown, Convolution/FIR, etc.)
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Ironwood: The first Google TPU for the age of inference
We’re introducing Ironwood, our seventh-generation Tensor Processing Unit (TPU) designed to power the age of generative AI inference.
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Learn electricity and electronics fundamentals without taking a formal course
A website supporting the books of author Simon Monk.
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Charging electric vehicles 5x faster in subfreezing temps
A modified manufacturing process for electric vehicle batteries, developed by University of Michigan engineers, could enable high ranges and fast charging in cold weather, solving problems that are turning potential EV buyers away.
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An interactive-speed Linux computer made of only 3 8-pin chips
Dmitry.GR: Interactive-speed Linux on a tiny board you can easily build with only 3 8-pin chips
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I maintain a 17 year old ThinkPad
If a book has been in print for forty years, I can expect it to be in print for another forty years. But, and that is the main difference, if it survives …
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Testing DVD-R and CD-R 25 years later: optical disks from Japan
As it turns out, “thrift shopping” in Japan via the internet can be both very enjoyable as well as very dangerous. In this series of posts, I’ve been examining various optical med…
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Notes on the Pentium's microcode circuitry
Most people think of machine instructions as the fundamental steps that a computer performs. However, many processors have another layer of ...
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Converting a Go-Kart into a Deathtrap
Este artículo también está disponible en Español 🇪🇸
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Ploopy Classic 2 open source trackball
The Classic 2 is a brand new revision of the original Classic, and kits are available today starting at $144CAD !