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Freeing a Xiaomi humidifier from the cloud
Thoughts, stories and ideas about of a code poet, bit juggler & logic wizard.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,807 posts.
Hardware & Electronics
Any year
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How MOS 6502 illegal opcodes work
The original NMOS version of the MOS 6502, used in computers like the Commodore 64, the Apple II and the Nintendo Entertainment System (NES), is well-known for its illegal opcodes: Out of 256 possible opcodes, 151 are defined by the architecture, but many of the remaining 105 undefined opcodes do…
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The case of the missing WAV audio files on the FAT32 SD Card
Buckle up kids, as this is a tale. As you may know, I have a lovely podcast at ...
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Meet a Shenzhen Maker: Mr. Chen
Meet a Shenzhen Maker: Mr. Chen | Automate ALL the things!
3038
Yamaha DX7 chip reverse-engineering, part V: the output circuitry
The Yamaha DX7 digital synthesizer (1983) was the classic synthesizer in 1980s pop music. It uses a technique called FM synthesis to produ...
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Thermochromic Breadboard
A breadboard with visual indication of overheating of the parts.
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Red Hat Introduces Arm Server Support for Red Hat Enterprise Linux
Today marks a milestone for Red Hat Enterprise Linux with the addition of a new architecture to our list of fully supported platforms. Red Hat Enterprise Linux for ARM is a part of our multi-architecture strategy and the culmination of a multi-year collaboration with the upstream community and our silicon and hardware…
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Yubikey/Smartcard backed TLS servers
It has become clear that storing secrets in computers is hard. The best demo to the world that storing secrets on “online” computers is hard and sometimes devastating, is the large amounts of cryptocurrency theft due to critical keys being in memory of systems directly or indirectly connected to the internet.
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Smartphone can use its microphone to extract RSA decryption key from laptop
This is neat: Here, we describe a new acoustic cryptanalysis key extraction attack, applicable to GnuPG’s current implementation of RSA. The attack can extract full 4096-bit RSA decryption keys from laptop computers (of various models), within an hour, using the sound generated by the computer during the decryption of…
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Amazon Dash Button's Wireless Audio Configuration
Update: I’ve learned a bit more and as such, see the bottom of the post for an update. I’ve been slow to update this but now that it’s seeming to be gaining a lot of traffic (lead…
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Converting a WW2-Era Engine Cowl Flaps Indicator into a USB Peripheral
General Electric 8DJ4PBV quad engine cowling indicator with PIC16F1459 and MCP41HV31-502 board to its right. A Microsoft Surface in the background is controlling the indicators via USB.
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Surround 360 is now open source
Visit the post for more.
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Ottopot, a sophisticated DIY MIDI controller
This is the ottopot. It's a MIDI controller I made with nothing but 8 dials. However, the dials I made in the highest quality that I possibly could. There are 2 things in particular that I haven't seen in any other similar devices: High resolution with 14bit MIDI CCs (12bit effective resolution) and a quasi-1:1…
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Bill Godbout, a legend in the S-100 community, died in the Camp wildfire
Bill Godbout, a legend in the S-100 community for his 1970s-1980s work at Godbout Electronics and CompuPro, perished November 8 due to the Camp wildfire in Concow, California. He was 79.
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80 FFTs Per Second To Detect Whistles and Switch On Lights
Hey guys As the slightly changed adage goes: a video is worth a thousand words: Interested? Have a look at my tindie page or click below to get more technical details... So, why
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The KindleBerry Pi
Curious, how’s the refresh rate? Does the e-ink display refresh fast enough to make typing bearable?
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Write your own Virtual CPU in C++ (2014)
I've previously covered writing my own virtual CPU , but I never really fleshed it out and it was never a real thing... For a while, wel...
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RTX 2080 Ti Memory Upgrade to 22 GB
Upgrade your RTX 2080 Ti from 11GB to 22GB worldwide. Professional VRAM replacement, BIOS tuning & testing by GPU Solutions.
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Shipping 100 hardware units in under eight weeks
Someone once told me hardware is hard...
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Wi-Fi Alliance introduces low power, long range Wi-Fi HaLow
New technology will extend Wi-Fi® solutions for the Internet of Things
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We don't need a DAC on the ESP32-S3
There's no DAC on the ESP32-S3 - but that's not a problem - we'll just use PDM!
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Tiny, cheap, and dangerous: Inside a fake iPhone charger
Thoughts on the death of Ma Ailun According to reports , a woman in China was tragically electrocuted using her iPhone while it was char...
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Fixing a knockoff Altera USB Blaster that never worked
What follows is the story of how I fixed not one, but two, different flawed Altera USB Blaster clone devices that never worked correctly after I bought them.
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Jailbreak firmware turns cheap digital walkie-talkie into DMR scanning receiver
In the last years, DMR and MOTOTRBO (a.k.a. TRBO a Motorola Solutions branded DMR Radios ) has become a very popular digital voice mode on the UHF and VHF bands and the MD380 radio is the latest cheap DMR walkie-talkie to come out of China. The question is, is it any good? The longer answer is…
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Programming Minecraft on the Raspberry Pi
How to combine Minecraft and the Wolfram Language, both standard on Raspberry Pi, to make interesting structures, add character capabilities or render your own output in 3D. Clear instructions on installation, using the MinecraftLink library, building, reacting to events.