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I made a quieter air purifier
The physics of sound, and the PC fan CR box v1.
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The latest blog posts to take off on Hacker News. 459 posts.
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Pebble Watch software is now open source
Pebble Watch Software Is Now 100% Open Source + Tick Talk #4 - PT2 Demos!
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RuBee
I have at least a few readers for which the sound of a man's voice saying "government cell phone detected" will elicit a palpable reaction. In Department of Energy facilities across the country, incidences of employees accidentally carrying phones into secure areas are reduced through a sort of automated nagging. A…
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Unusual circuits in the Intel 386's standard cell logic
I've been studying the standard cell circuitry in the Intel 386 processor recently. The 386, introduced in 1985, was Intel's most complex pr...
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We Induced Smells With Ultrasound
First-ever ultrasound olfactory stimulation in humans. We induced distinct artificial smells like campfire and fresh air using focused ultrasound - a nose BCI breakthrough.
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Discontinuation of ARM Notebook with Snapdragon X Elite SoC
Discontinuation of ARM Notebook with Snapdragon X Elite SoC: In the past 18 months, we have been working on an ARM notebook based on Qualcomm’s Snapdragon X1 Elite SoC (X1E). At this point, we are putting the project on hold. There are several ...
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Arduino published updated terms and conditions: no longer an open commons
The maker community worried Qualcomm would kill the Arduino ethos. New T&Cs confirm the community's worst fears. Here's what's at stake, what Qualcomm got wrong, and what might still be salvaged.
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The 101 of analog signal filtering (2024)
Some intuition about this topic can be developed without summoning the ghost of Pierre-Simon Laplace.
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It's hard to build an oscillator
Especially if you want it to work.
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OrthoRoute – GPU-accelerated autorouting for KiCad
OrthoRoute: GPU-Accelerated PCB Autorouter
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Core Devices keeps stealing our work
Edit (November 26th, 2am Pacific): This post was originally titled “Core Devices Keeps Stealing Our Work”. We’ve had a bit of time to reflect on this blog p...
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Tektronix equipment has been used in many movies and shows
Explore Tektronix equipment in films and TV at vintageTEK. Find detailed screenshots and IDs of scopes, probes, and monitors from 1953–1984.
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FPGA Based IBM-PC-XT
Recently I undertook a hobby project to recreate an IBM XT Personal Computer from the 1980s using a mix of authentic parts and modern technology. I had a clear goal in mind: I wanted to be able to …
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I don’t need a Steam Machine
For those of you who are living under a rock, Valve announced three new hardware devices joining …
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Archimedes – A Python toolkit for hardware engineering
A great engineer (controls being no exception) has to be part hacker, part master craftsman.
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Linux on the Fujitsu Lifebook U729
A short review and troubleshooting guide.
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Samsung's 60% DRAM price hike signals a new phase of global memory tightening
Samsung’s 60% DRAM price hike tightens supply. Learn how rising DDR5 and DDR4 prices impact buyers, sellers, and used RAM markets in 2026.
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Minisforum Stuffs Entire Arm Homelab in the MS-R1
The Minisforum MS-R1 uses the same Cix CD8180 Arm SoC as the Orion O6 I reviewed earlier this year. But everything else about this thing is different. What this thing should be, is a box that runs Linux and can compete with at least an Apple M1 Mac mini, or a mid-range Mini PC. But what we got... is something…
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How To Build A Smartwatch: Software
PebbleOS, mobile app, SDK improvements and more!
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Reverse Engineering Yaesu FT-70D Firmware Encryption
This article dives into my full methodology for reverse engineering the tool mentioned in this article. It's a bit longer but is intended to be accessible to folks who aren't necessarily advanced reverse-engineers.
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How Tube Amplifiers Work
How Tube Guitar Amplifiers Work
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I converted a rotary phone into a meeting handset
As you may remember, or completely not know, I have a bit of a fascination with old rotary phones . Occasionally, when people learn about this fascination, they donate their old rotary phones to me, so I have ended up with a small collection.
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iPhone Pocket
ISSEY MIYAKE and Apple today unveiled iPhone Pocket, designed to fit any iPhone as well as all pocketable items.
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Drilling down on Uncle Sam's proposed TP-Link ban
The U.S. government is reportedly preparing to ban the sale of wireless routers and other networking gear from TP-Link Systems , a tech company that currently enjoys an estimated 50% market share among home users and small businesses. Experts say while the proposed ban may have more to do with TP-Link’s ties to China…
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Samsung Family Hub for 2025 Update Elevates the Smart Home Ecosystem
The software update includes a more unified user experience across connected devices, enhancements to AI Vision Inside™, expanded Knox Security and more
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IKEA launches new smart home range with 21 Matter-compatible products
IKEA is launching 21 new smart home products focusing on lighting, sensors, and control — all built to work with Matter, the universal smart home standard. A significant step in making smart home technology easier to use, more affordable, and better adapted to real-life needs in the home.
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My fan worked fine, so I gave it WiFi
How I went about creating a concealed modification for a fan so I could control it over WiFi with ESPHome and Home Assistant.
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A Lost IBM PC/at Model? Analyzing a Newfound Old Bios
VileR's blog: old school PCs, games, graphics, programming, fonts, demos, and so on.
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The Microsoft SoftCard for the Apple II: Getting two processors to share memory
Reportedly Microsoft's first hardware product.