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Keyboard latency
If you look at “gaming" keyboards, a lot of them sell for $100 or more on the promise that they’re fast. Ad copy that you’ll see includes:
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The latest blog posts to take off on Hacker News. 3,046 posts.
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The impossible dream of USB-C
I love the idea of USB-C: one port and one cable that can replace all other ports and cables. It sounds so simple, straightforward, and unified.
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Inside the vintage Xerox Alto's display, a tiny lightbulb keeps it working
In this Alto restoration episode, we repaired a second CRT display, exercising our TV repair skills and discovering a tiny mysterious lightb...
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Using the Web Audio API to Make a Modem
What do you do when you cannot copy text between computers due to lack of internet connectivity? I built a modem using the Web Audio API, allowing data transfer via audio.
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What If We Put Warnings on IoT Devices?
A couple of years ago, I was heavily involved in analysing and reporting on the massive VTech hack [https://www.troyhunt.com/when-children-are-breached-inside/], the one where millions of records were exposed including kids' names, genders, ages, photos and the relationship to parents' records which included their
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iPhone 8 Plus Camera Review
The iPhone 8 Plus across western India — Portrait Lighting put to work on real faces, plus the quieter upgrades that matter to creative pros.
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Thinkpad X62
Back in January, I used an old Thinkpad while my 12” Macbook was being repaired. I found myself really enjoying some aspects of it. This nudged me down a path that ended with me modding a frankenpad…
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Apple Lightning Adapter Audio Quality Measurements
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A Hardware Privacy Monitor for iPhones
Andrew “bunnie” Huang and Edward Snowden have designed a hardware device that attaches to an iPhone and monitors it for malicious surveillance activities, even in instances where the phone’s operating system has been compromised. They call it an Introspection Engine, and their use model is a journalist who is…
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Bringing back the iPhone headphone jack, in China
I’ve spent the past four months in Shenzhen, China, modifying an iPhone 7 to add a fully functional headphone jack. To the best of my knowledge, this is the first time anyone has done anything like this.
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Hey Synaptics, Can You Please Stop Polling
TL;DR – be wary of buying a Lenovo laptop or any other laptop that uses a Synaptics touch pad until Synaptics ships a fixed driver. Their driver has a memory leak and they have a battery-life bug t…
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Tesla Model S battery degradation data
Want to read about the acceleration we are seeing in our society in the area of mobility? Read our new book ‘Forward’. Updated June 9, 2020. Today, Tesla Motors published their 2019 Imp…
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Rules for new FPGA designers
It’s a new school year!
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Typing with pleasure, and low latency
In this article I examine human- and machine aspects of typing latency (“typing lag”) and present experimental data on latency of popular text / code editors. The article is inspired by my work on implementing “zero-latency typing” in IntelliJ IDEA.
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Examining a vintage RAM chip, I find a counterfeit with a different die inside
A die photo of a vintage 64-bit TTL RAM chip came up on Twitter recently, but the more I examined the photo the more puzzled I became. The c...
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B2fJ – A Java Virtual Machine to run on the 8-bit home computers of the 80s
Back to the Future Java (b2fJ) aims at bringing the power of Java to 8-bit home computers of the ’80s. This project provides a toolchain to cross-compile Java programs under Windows.
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Zigfrid – A Passive RFID Fuzzer
Zigfrid is the end result of my RFID tinkering. Since I will most definitely forget most things described here in the (very) near future, I share this for those few who might find it interesting. P…
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Dice-O-Matic hopper and elevator (2009)
Introducing the Dice-O-Matic mark II, now generating the die rolls on GamesByEmail.com. It is a 7 foot tall, 104 pound, dice-eating monster, capable of generating 1.3 million rolls a day.
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Get eyes in the sky with your Raspberry Pi
Learn how to use your Raspberry Pi and a cheap USB TV tuner stick to start tracking flights overhead - up to 250 miles away from your location.
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OpenBSD and the modern laptop
Did you think that OpenBSD is suitable only for firewalls and high-security servers? Think again. Here are my steps to transform a modern m...