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Time to Upgrade Your Monitor
A non-comprehensive and opinionated guide to best monitor for programming
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 37 posts.
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Which GPUs to get for deep learning
Here, I provide an in-depth analysis of GPUs for deep learning/machine learning and explain what is the best GPU for your use-case and budget.
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Precursor – A mobile, open source electronics platform
Precursor (pre·cur·sor | \ pri-ˈkər-sər): 1. one that precedes or gives rise to; a predecessor; harbinger 2. a pocketable open development board
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Let’s Build a Video Card
In these videos, I talk about how VGA signals work and build a circuit that provides the correct timing of sync signals so that a monitor recognizes the signal and displays an image stored on an EEPROM.
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Gathering Intel on Intel AVX-512 Transitions
Investigating some details of SIMD related frequency transitions on Intel CPUs.
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Ice Lake AVX-512 Downclocking
Examining the extent of AVX related downclocking on Intel’s Ice Lake CPU
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What is Electricity? (1996)
What is electricity? This question is impossible to answer because the word " Electricity " has several contradictory meanings. These different meanings are incompatible, and the contradictions confuse everyone. If you don't understand electricity, you're not alone. Even teachers, engineers, and scientists have a hard…
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The Whitworth Three Plates Method (2017)
A visual step-by-step guide to Joseph Whitworth’s three-plate method for creating very flat reference surfaces.
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Measuring keyboard-to-photon latency with a light sensor
For a long time when I’ve wanted to test the latency of computers and UIs I’ve used the Is It Snappy app with my iPhone’s high speed camera to count frames between when I press a key and when the screen changes. However the problem with that is it takes a while to find the exact frames you want, which is annoying when…
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8086 Microcode Disassembled
Recently I realised that, as part of his 8086 reverse-engineering series, Ken Shirriff had posted online a high resolution photograph of the 8086 die with the metal layer removed . This was something I have been looking for for some time, in order to extract and disassemble the 8086 microcode. I had previously found…
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Programming with RISC-V Vector Instructions
Perhaps the most interesting part of the open RISC-V instruction set architecture (ISA) is the vector extension (RISC-V "V"). In contrast to the average single-instruction multipe-data (SIMD) instruction set, RISC-V vector instructions are vector length agnostic (VLA). Thus, a RISC-V "V" CPU is flexible in choosing a…
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How I built a keyboard/video/mouse switch for my two 4k monitors
How I built a Keyboard/Video/Mouse switch for my two 4K monitors for $30.
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Trying to build the ultimate Raspberry Pi computer – Zero Terminal V3
Here's another iteration on the Zero Terminal projects I've been working on for a few years. For those of you who haven't seen them, I've been trying to design the most usable all in one Pi Zero computer out there.
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Adding a fiber link to my home network
Motivation Despite using a FTTH internet connection since 2014, aside from the one fiber uplink, I had always used network gear with 1 Gbit/s links over regular old rj45 cat5(e) cables. I liked the simplicity and uniformity of that setup, but decided it’s time to add at least one fiber connection, to get rid of a…
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Build Your Own FPGA (2012)
The Open 7400 Logic Competition is a crowd-sourced contest with a simple but broad criteria for entry: build something interesting out of discrete logic chips. It's now in its second year, and this time around I was inspired to enter it.
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AVX-512 Mask Registers, Again
Taking a second look at the newly introduced mask registers, this time with the benefit of a SKX die shot from Fritzchens Fritz.
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UASP makes Raspberry Pi 4 disk IO 50% faster
You can view a video related to this blog post here: Does UASP make the Raspberry Pi faster?. A couple weeks ago, I did some testing with my Raspberry Pi 4 and external USB SSD drives. I found a USB 3.0 SSD was ten times faster than the fastest microSD card I tested. In the comments on the video associated with that…
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ReMarkable MicroSD (2019)
This page discusses how I added a microSD card to my reMarkable tablet . I did this because I want to develop software for my rM without wearing out the internal eMMC. I chose an external card because I want to be able to swap them easily; it also makes backups faster.
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Data Runner Watch Prototype – Modded Casio F91W
Today I want to show you a watch modification that I've been working on. I'm calling it the Data Runner, and it's another F91W mod, this time going the extra mile to make something functional and nice looking.
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Raspberry Pi 400 teardown and review
Today Raspberry Pi Trading announced the Raspberry Pi 400, the latest in the series of small education-focused computers that started with the original Raspberry Pi in 2012. For years, people have come up with creative ways to hack a Pi into keyboards, like the Original Pi in an old Mitsumi keyboard, or the Pi 3 A+ in…
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Macs with T2, M1 chips cannot be restored to factory state without Apple
Modern Apple computers can no longer be fully used and maintained in 100% offline environments, or in ways that will reasonably ensure that the computer is…
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Wacom tablets track every app you open
I have a Wacom drawing tablet. I use it to draw cover illustrations for my blog posts, such as this one.
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Intel's disruption is now complete
“Look, Clayton, I’m a busy man and I don’t have time to read drivel from academics but someone you told me you had this theory… and I’m…
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Wireless Is a Trap
Over and over again, I’ve seen people fix some wireless-related problem and go “wow, I had no idea how much better this could be!" • Wireless protocols often silently operate in an extremely degraded state that makes them substantially worse than wired equivalents.
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BusKill: A kill cord for your laptop
BusKill is a Kill Cord for your laptop implementing a Dead Man Switch using $20 in USB hardware + udev rule to trigger your laptop self-destruct if stolen.
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