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Sol-Ark manufacturer reportedly disables all Deye inverters in the US
Seemingly, at the drop of a hat the morning of Friday, Nov 15th, Deye-branded inverters across the US were intentionally bricked.
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OpenWRT One Released: First Router Designed Specifically for OpenWrt
Today, we at SFC, along with our OpenWrt member project, announce the production release of the OpenWrt One. This is the first wireless Internet router designed and built with your software freedom and right to repair in mind. The OpenWrt One will never be locked down and is forever unbrickable. This device services…
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Hacking the T2S+ Out of Fear: Get Lock-In Thermography for Free
Hacking the T2S+ v2 to work on computers, tear it down for the first time online, and play with lock-in thermography as a bonus!
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Reverse-engineering my speakers' API to get reasonable volume control
I got some fancy new speakers last week. They’re powered speakers and they have streaming service integrations built in, unlike the 35-year-old passive speakers I’m upgrading from. Overall they’re great! But they’re so loud that it’s difficult to make small volume adjustments within the range of safe volume levels for…
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Goodbye non-KISS appliances
<p>Yesterday, we gave away our ~6-year-old GE French-door refrigerator after a never-ending slog of repairs. At least the guy and his mother who came to pick it up have a side-hustle of repairing and reselling appliances. There's hope it won't end up in a landfill. He offered to sell me a 4-door Samsung. No Thanks!…
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CNC lasers for cutting and engraving
Laser cutters can injure or blind you permanently if you do not follow safety procedures! This post is an attempt to collect all of the information that I’ve gathered over the last year or so regarding budget laser cutters. There are no affiliate links on this page, I have no ties to any of the companies mentioned…
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A Better Light Source for Scanning Color Negative Film
Narrowband trichromatic (RGB) light sources are superior to broadband (white) light for scanning color negative film; there are very good reasons why all commercial film scanners use RGB. ( film scanners were using blue LEDs at least a decade before they would be widely used in consumer products! ) Scanning film with…
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Bottle Plotter
Bottle Plotter BottlePlotter.cz I have noticed that, it is quite common in group of small wine producers, that they don't use bottle la...
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Turning AirPods into a fitness tracker
A fun side project for a great cause featuring Core Motion, SwiftUI, a little help from AI, and a pair of AirPods to count 100 push-ups a day.
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Intel N100 Radxa X4 First Thoughts
The Intel N100-based Radxa x4 has taken the headlines over the last week or so, and for good reason! Does the x86 SBC live up to the hype?
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AMD's MI300X Outperforms Nvidia's H100 for LLM Inference
There has been much anticipation around AMD's flagship MI300X accelerator. With unmatched raw specs, the pressing question remains: Can it outperform NVIDIA's Hopper architecture in real-world AI workloads? We have some exciting early results to share. For the past month, TensorWave and MK1 have worked closely to…
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Raspberry Pi Pico 2, our new $5 microcontroller board, on sale now
On sale now at $5: Raspberry Pi Pico 2, our new microcontroller board. It's built on RP2350, our new high-performance, secure microcontroller.
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ArVid: Russians squeezed 4 hard drives into one VHS tape in the 90s
It’s a hellish time: prices for basic consumer goods are tripl e what they were last year. Your employer just paid your salary in eggs instead of money. There are daily shootouts between rival gangs. 🎵 Your love life’s DOA… 🎵
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Understanding the design of the the Super Nintendo video system
Last time, I explored the inside of the Super Nintendo cartridges . Today I am going through its video system.
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The guidance system and computer of the Minuteman III nuclear missile
The Minuteman missile was introduced in 1962 as a key part of America's nuclear deterrent. The Minuteman III missile is currently the only U...
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Make your electronics tamper-evident
If the police ever have physical access to an electronic device like a laptop, even for five minutes , they can install hardware keyloggers, create images of the storage media, or otherwise trivially compromise it at the hardware, firmware, or software level. One way to minimize this risk is to make devices…
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Google Axion Processors – Arm-based CPUs designed for the data center
The custom Axion Arm-based processor is designed for general-purpose workloads like web and app servers, databases, analytics, CPU-based AI, and more.
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Caltech Develops First Noninvasive Method to Continually Measure Blood Pressure
Device uses sound waves to gather blood pressure data from blood vessels, monitoring the response with ultrasound.
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Heinz’s sustainable ketchup cap
CT scans of Heinz's new recyclable ketchup cap reveal the channel geometry that replaced a silicone valve and why the redesign took eight years.
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I hacked a train toilet
The other day I rode on a Class 800 train in the UK. This is the “Intercity Express” train designed to replace the venerable HST (Intercity 125 with Mark 3 coaches, a train of which I have many memories and which I will dearly miss).
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Antenna Diodes in the Pentium Processor
I was studying the silicon die of the Pentium processor and noticed some puzzling structures where signal lines were connected to the silico...
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I also hacked my car
Gonçalo MB. My personal website, projects, contacts and stuff.
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Why does FM sound better than AM?
Frequency modulation (FM) is more robust to noise than amplitude modulation (AM) because static itself is primarily a form of amplitude modulation.
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0day Contest for End-of-Life Devices Announced
The Junkyard contest focuses on deprecated systems, responsible disclosure, and meme-worthy exploits. Join us today!
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MobileDiffusion: Rapid text-to-image generation on-device
Posted by Yang Zhao, Senior Software Engineer, and Tingbo Hou, Senior Staff Software Engineer, Core ML Text-to-image diffusion models have shown ex...
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Humane AI – Pico Laser Projection – AI Twist on an Old Scam (2023)
Humane AI (Humane, hereafter) combines the mid-2010s failed concept of using a laser projector to project on the body with the early 2000s failed projector phone (something I wrote about in 2013), …
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How I replaced deadly garage door torsion springs (2002)
Replacing broken torsion springs on a garage door.