latest projects -...
Motorised Camera Slider
[Hardware] Simple smooth motor mod
5 months ago
[Hardware] Simple smooth motor mod
Arduino Blog
Synjets provide non-contact haptic feedback
If the COVID pandemic showed us anything, it is that our public spaces are overflowing with...
7 months ago
If the COVID pandemic showed us anything, it is that our public spaces are overflowing with opportunity for germ transmission. In 2019, most people didn’t think twice about touching a gas pump handle or an ATM touchscreen, but it quickly became apparent that such contact presents...
Christian Selig
Introducing Juno for Apple Vision Pro
YouTube is probably one of the parts of the internet I consume the most, so I was more than a little...
11 months ago
YouTube is probably one of the parts of the internet I consume the most, so I was more than a little sad when YouTube announced that they don’t have plans to build a visionOS app, and disabled the option to load the iPad app. This leaves you with Safari, and the website is okay,...
Matt Blewitt
Thoughts on User Safety
We need to move beyond mere security and towards safety for our customers and our users. This is how...
over a year ago
We need to move beyond mere security and towards safety for our customers and our users. This is how we can do that.
Good Enough
Season 1, Issue 4: Issue 4-evah
0. It’s Been a Long Time
Sorry 4 the silence these past weeks. Life happened fast and furious....
over a year ago
0. It’s Been a Long Time
Sorry 4 the silence these past weeks. Life happened fast and furious. Barry’s daughters all had marching band, and he chaperoned 4 the parades. His eldest daughter also went and got a boyfriend. Shawn’s been feeling a little under the weather, and his two...
Jonas Hietala
November Theme: Art Game
Back over at The Experimental Gameplay Project a new theme has come up. My last three themes haven’t...
over a year ago
Back over at The Experimental Gameplay Project a new theme has come up. My last three themes haven’t been “my” themes: I’ve been following their lead and their themes and this month is no exception. This months’ apparently a big theme - Art. It’s even a collaboration with a big...
Arduino Blog
Ready for SPS Italia 2024? Ready for accessible industrial automation!
Save the date on May 28th-30th, Arduino will be back at SPS Italia in Parma, showcasing how our...
7 months ago
Save the date on May 28th-30th, Arduino will be back at SPS Italia in Parma, showcasing how our open-source solutions are revolutionizing the industrial sector with high performance and accessibility. At Arduino’s booth #C020, hall 7, we’ll be presenting the latest additions to...
Electronics etc…
Symmetricom 58532A GPS Antenna Supply Voltage Mod
The Symmatricom 58532A
Opening up the 58532A
Voltage Regulation
Result
What about the other 58532A...
9 months ago
The Symmatricom 58532A
Opening up the 58532A
Voltage Regulation
Result
What about the other 58532A variant?
References
The Symmatricom 58532A
As part of a package deal, I got my hands on a Symmetricom 58532A L1
GPS antenna.
Microchip, which acquired Symmetricom in 2013, doesn’t...
Jonas Hietala
Why Cryptocurrencies? is now available in print
Today is a big milestone for me, as this marks a big milestone in the biggest personal project I’ve...
over a year ago
Today is a big milestone for me, as this marks a big milestone in the biggest personal project I’ve undertaken.
My book ‘Why Cryptocurrencies?’ is released in print today! It’s my attempt to explain what cryptocurrencies are and what problems they solve, in a simple and...
Neil Madden
The square roots of all evil
Every programmer knows Donald Knuth’s famous quote that “premature optimization is the root of all...
a month ago
Every programmer knows Donald Knuth’s famous quote that “premature optimization is the root of all evil”, from his 1974 Turing Award lecture (pdf). A fuller quotation of the surrounding context gives a rounder view: I am sorry to say that many people nowadays are condemning...
lcamtuf’s thing
Deep dive: the (in)stability of op-amps
A closer look at op-amp feedback loops and the stability criteria for circuits that use them.
2 months ago
A closer look at op-amp feedback loops and the stability criteria for circuits that use them.
Jonas Hietala
We can build things!
Finally we have some sort of progress!
We can now build rooms and place and remove objects!
Yay!!...
over a year ago
Finally we have some sort of progress!
We can now build rooms and place and remove objects!
Yay!! But we still haven’t even begun with the game logic, resource management, the actual mining mechanic, multiple levels, actual tasks for our workers. But it’s something.
Home on Erik...
Language pitch
Here's a fun analysis that I did of the pitch (aka. frequency) of various languages. Certain...
over a year ago
Here's a fun analysis that I did of the pitch (aka. frequency) of various languages. Certain languages are simply pronounced with lower or higher pitch. Whether this is a feature of the language or more a cultural thing is a good question, but there are some substantial...
Posts on Made of...
Record/Replay testing in Sorbet
In 2017 and 2018, I (along with Paul Tarjan and Dmitry Petrashko) was a founding member of the...
over a year ago
In 2017 and 2018, I (along with Paul Tarjan and Dmitry Petrashko) was a founding member of the Sorbet project at Stripe to build a gradual static typechecking system for Ruby, with the aim of enhancing productivity on Stripe’s millions of lines of Ruby, and eventually producing a...
Arduino Blog
Harness the power and connectivity of your Arduino UNO R4 WiFi with this IoT lamp
It can be tough to get started with building an Internet of Things (IoT) project from the ground-up,...
7 months ago
It can be tough to get started with building an Internet of Things (IoT) project from the ground-up, as getting connected, serving a webpage, and managing other devices can all be a challenge to a beginner. This is why the YouTuber known as “Mario’s Ideas” made an end-to-end...
Posts on Made of...
Git in pictures
In my previous blog post, I discussed how git is distinctive among version control system in the way...
over a year ago
In my previous blog post, I discussed how git is distinctive among version control system in the way in which it makes the backend model that is being used to store data the most important element of the tool, and that experts use it by having the complete model in their head,...
Arduino Blog
See how this homemade spectrometer analyzes substances with an Arduino Mega
Materials, when exposed to light, will reflect or absorb certain portions of the electromagnetic...
a week ago
Materials, when exposed to light, will reflect or absorb certain portions of the electromagnetic spectrum that can give valuable information about their chemical or physical compositions. Traditional setups use a single lamp to emit white light before it is split apart into a...
Posts on Made of...
Testing and feedback loops
Testing and feedback loops This post tries to set out one mental model I have for thinking about...
over a year ago
Testing and feedback loops This post tries to set out one mental model I have for thinking about testing and the purpose testing serves in software engineering, and to explore some of the suggestions of this model.
As mentioned in an earlier post, I think a lot about working in...
Posts on Made of...
Stripe's monorepo developer environment
I worked at Stripe for about seven years, from 2012 to 2019. Over that time, I used and contributed...
7 months ago
I worked at Stripe for about seven years, from 2012 to 2019. Over that time, I used and contributed to many generations of Stripe’s developer environment – the tools that engineers used daily to write and test code. I think Stripe did a pretty good job designing and building that...
Neil Madden
Multiple input MACs
When working with Message Authentication Codes (MACs), you often need to authenticate not just a...
over a year ago
When working with Message Authentication Codes (MACs), you often need to authenticate not just a single string, but multiple fields of data. For example, when creating an authenticated encryption mode by composing a cipher and a MAC (like AES-CBC and HMAC), you need to ensure the...
Willem's Blog
Write your own words
Why not to use AI for writing - a blog post on the underestimated long term costs of AI tools for...
a month ago
Why not to use AI for writing - a blog post on the underestimated long term costs of AI tools for human creativity.
Louwrentius
Visual representation of hard drives and their temperature
If you build a NAS with many drives, it may be of interest to you which
drives get hot and where...
over a year ago
If you build a NAS with many drives, it may be of interest to you which
drives get hot and where they are located in the chassis. My Norco 4020 case
has twenty drives in RAID 6, plus two operating system drives in RAID 1. I
wrote a script that shows me the temperature of each...
Good Enough
All About CSS: Alphabetize, Normalize, and Dark-mode-itize
Hello reader, I’m Matthew, the newest member of Good Enough (LLC). The rest of the team are avid...
a year ago
Hello reader, I’m Matthew, the newest member of Good Enough (LLC). The rest of the team are avid writers and sharers… I’m not. But they keep chanting “One of us. One of us.” so I suppose you’ll see me around here sometimes.
For my inaugural post, I thought I’d quickly share what...
Notes on software...
How I run a coffee club
I started the NYC Systems Coffee
Club in December
of 2023. It's gone pretty well! I regularly get...
3 days ago
I started the NYC Systems Coffee
Club in December
of 2023. It's gone pretty well! I regularly get around 20 people each
month. You bring a drink if you feel like it and you hang out with
people for an hour or two.
There is no agenda, there is no speaker, there is no structure....
Notes on software...
A paper reading club at work; databases and distributed systems research
I started a paper reading club this week at work, focused on databases
and distributed systems...
9 months ago
I started a paper reading club this week at work, focused on databases
and distributed systems research. I posted in a general channel about
the premise and asked if anyone was interested. I clarified the
intended topic and that discussions would be asynchronous over email,
run...
Avestura's Blog
What is the type of Type?
Should type of `Type` be also `Type`? Or is there an alternative?
over a year ago
Should type of `Type` be also `Type`? Or is there an alternative?
Jonas Hietala
A type checking error in Elixir 1.18
Although I’m a big Elixir fan, the lack of static typing has always been my biggest annoyance (and...
4 days ago
Although I’m a big Elixir fan, the lack of static typing has always been my biggest annoyance (and why I think Gleam is so cool).
I think static typing helps catch bugs earlier and in an automated way, leading to less buggy software and saves time in the long run.
To my great joy...
Vitalik Buterin's...
Review of Gitcoin Quadratic Funding Round 3
over a year ago
Good Enough
Let's talk about conversations
If you subscribe to our newsletter — which you do, right? — then you'll know that recently we've...
10 months ago
If you subscribe to our newsletter — which you do, right? — then you'll know that recently we've been thinking about conversations.
We're a small group making fun software for people, and we like to have conversations with those people; the lovely folks who like our take on...
Bryan Braun - Blog
Setting up your /now page with an RSS feed
I have a /now page, which I use to tell people what I’m up to these days.
I like the concept of “now...
2 months ago
I have a /now page, which I use to tell people what I’m up to these days.
I like the concept of “now pages” but I felt like it would be better if it had an RSS feed. The feed would give interested parties a way to subscribe to life changes.
The problem is that RSS feeds aren’t...
Engineers Need Art
Op-Amp Helper PCB
A PCB for breadboards to make working with op-amps easier.
a year ago
A PCB for breadboards to make working with op-amps easier.
Vitalik Buterin's...
Exit games for EVM validiums: the return of Plasma
a year ago
Style over Substance
My new purchase: a Zeiss Ikon Nettar 517/16
Cheaper than a tank of gas, smaller than a Leica, 6x6 medium format negs - tons of fun. This Nettar...
over a year ago
Cheaper than a tank of gas, smaller than a Leica, 6x6 medium format negs - tons of fun. This Nettar folding camera sure is bang for buck!
The post My new purchase: a Zeiss Ikon Nettar 517/16 appeared first on Style over Substance.
Engineers Need Art
Jigsaw Puzzle
Those of us who fiddled while Apple Computer burned. Well, actually some of us put together a big...
over a year ago
Those of us who fiddled while Apple Computer burned. Well, actually some of us put together a big jigsaw puzzle.
computers are bad
2023-06-07 something up there - nasa and uaps
A brief note on Grusch
First, a disclaimer of sorts: I am posting another article on UAPs, yet I...
a year ago
A brief note on Grusch
First, a disclaimer of sorts: I am posting another article on UAPs, yet I am
not addressing the recent claims by David Grusch. This is for a couple of
reasons. First, I am skeptical of Grusch. He is not the first seemingly
well-positioned former...
Notes on software...
Finishing up a FreeBSD experiment
I've been using FreeBSD as my daily driver at work since
December. I've successfully done my job and...
over a year ago
I've been using FreeBSD as my daily driver at work since
December. I've successfully done my job and I've learned a hell of a
lot forcing myself on CURRENT... But there's been a number of issues
with it that have made it difficult to keep using, so I replaced it
with Arch Linux...
Matt Blewitt
Modifying pg_dump To Exclude Event Triggers
At $WORK, we have a case where we have implemented an event trigger to prevent customers from...
6 months ago
At $WORK, we have a case where we have implemented an event trigger to prevent customers from dropping an extension. As this extension is part of contrib and normally installed by users, we can’t prevent them from dropping it normally. However, event triggers can only be created...
Jonas Hietala
A friendly game of Twilight Imperium
A few weeks ago I played my first game of Twilight Imperium (Fourth Edition). It was fantastic.
We...
over a year ago
A few weeks ago I played my first game of Twilight Imperium (Fourth Edition). It was fantastic.
We were six players, most had played the third edition before. As I was quite hyped before the game, I had read up on the rules, watched a let’s play or two and listened to a podcast...
Abort Retry Fail
The History of Commodore, Part 3
Are you keeping up with the Commodore?
a year ago
Are you keeping up with the Commodore?
./techtipsy
My self-hosting setup has an UPS now, here's my experience with it
I changed my setup again.
I’m now the proud owner of an APC Smart-UPS 750.
Why? Because I got it as...
over a year ago
I changed my setup again.
I’m now the proud owner of an APC Smart-UPS 750.
Why? Because I got it as a gift, and I have never actually had an UPS before, so
it makes for a good introduction to this world.
Overview
My setup is quite basic: everything that I have on my table...
Arduino Blog
This rolling ball game brings Skee-Ball-style fun from the arcade to your home
Ask your friends about their favorite games at the arcade and the most common answer will likely be...
5 months ago
Ask your friends about their favorite games at the arcade and the most common answer will likely be Skee-Ball. But while many other popular arcade games have viable at-home alternatives, Skee-Ball doesn’t — at least not unless you’re willing to spend a serious amount of money....
Arduino Blog
This miniature monorail stays upright with the help of gyro stabilization
Most monorail systems, like the kind at Disney and in Las Vegas, stay upright because the “rail” is...
4 months ago
Most monorail systems, like the kind at Disney and in Las Vegas, stay upright because the “rail” is actually a very wide beam. The car’s load tires (often literal truck or trailer tires) roll on top of that beam and guide tires clamp the sides of the beam, preventing the car from...
Home on Erik...
Leaving Spotify
Febrary 6 was my last day at Spotify. In total I spent more than six years at Spotify and it was an...
over a year ago
Febrary 6 was my last day at Spotify. In total I spent more than six years at Spotify and it was an amazing experience.
I joined Spotify in Stockholm in 2008, mainly because a bunch of friends from programming competitions had joined already.
Willem's Blog
Health and fitness data
Exploring the balance between health data and intuition, this blog post delves into how personal...
11 months ago
Exploring the balance between health data and intuition, this blog post delves into how personal well-being and fitness goals shape our relationship with technology and self-awareness.
Simply Explained
Analyzing Link Rot in My Newsletter (After 31 Editions)
I've been writing a monthly newsletter for the past 2.5 years. In every edition, I link to...
a year ago
I've been writing a monthly newsletter for the past 2.5 years. In every edition, I link to interesting articles related to science and technology. I thought it would be interesting to analyze how many of those links are still accessible, and how many have succumbed to link rot....
Simply Explained
Shelly 2.5: Flash ESPHome Over The Air!
It's no secret that I'm a fan of Shelly products to automate various devices in my house. They're...
over a year ago
It's no secret that I'm a fan of Shelly products to automate various devices in my house. They're well built, tiny and rock solid, and best of all: compatible with ESPHome.I flashed ESPHome onto all my Shelly 1's, but for some reason, I have issues with my Shelly 2.5 devices......
Notes on software...
Interpreting TypeScript
In addition to providing a static type system and compiler for a
superset of JavaScript, TypeScript...
over a year ago
In addition to providing a static type system and compiler for a
superset of JavaScript, TypeScript makes much of its functionality
available programmatically. In this post we'll use the TypeScript
compiler API to build an interpreter. We'll build off of a...
Louwrentius
This blog is now running on solar power
Introduction
This blog is now running on solar power.
I've put a solar panel on my balcony, which...
over a year ago
Introduction
This blog is now running on solar power.
I've put a solar panel on my balcony, which is connected to a solar charge controller. This device charges an old worn-out car battery and provides power to a Raspberry Pi ~~3b+~~ 4B, which in turn powers this (static)...
On Life and Lisp
The Apple GPU and the Impossible Bug
In late 2020, Apple debuted the M1 with Apple’s GPU architecture, AGX, rumoured to be derived from...
over a year ago
In late 2020, Apple debuted the M1 with Apple’s GPU architecture, AGX, rumoured to be derived from Imagination’s PowerVR series. Since then, we’ve been reverse-engineering AGX and building open source graphics drivers. Last January, I rendered a triangle with my own code, but...
Arduino Blog
Zoo elephants get a musical toy to enrich their lives
Everyone loves looking at exotic animals and most of us only get to do that at zoos. But, of course,...
a month ago
Everyone loves looking at exotic animals and most of us only get to do that at zoos. But, of course, there is a lot to be said about the morality of keeping those animals in captivity. So, good zoos put a lot of effort into keeping their animals healthy and happy. For more...
Louwrentius
Creating a basic ZFS file system on Linux
Here are some notes on creating a basic ZFS file system on Linux, using ZFS on Linux.
I'm...
over a year ago
Here are some notes on creating a basic ZFS file system on Linux, using ZFS on Linux.
I'm documenting the scenario where I just want to create a file system that can tollerate at least a single drive failure and can be shared over NFS.
Identify the drives you want to use for the...
Vitalik Buterin's...
The near and mid-term future of improving the Ethereum network's permissionlessness and...
7 months ago
Louwrentius
The iPad will be the death of Flash
So Apple finally released their tablet computer: the iPad. One of the most
debated drawbacks is that...
over a year ago
So Apple finally released their tablet computer: the iPad. One of the most
debated drawbacks is that it lacks support for Adobe Flash. The iPhone does
not support Flash either, and since the iPad is based on the iPhone OS, this
should not come as a surprise.
Now many people see...
Louwrentius
Why I believe the new Mac Pro won't be a great machine for gaming
In Accidental Tech Podcast episode 18 (love the show), I learned that John Siracusa was thinking...
over a year ago
In Accidental Tech Podcast episode 18 (love the show), I learned that John Siracusa was thinking about buying a new Mac Pro for gaming.
I believe that gaming on the new Mac Pro will be a mediocre experience.
Driver support: as John mentioned himself, the video cards are...
Applied Cartography
Migrating someone who's on Stripe Connect Express
Most Stripe accounts on Substack are “Standard Connect”, which essentially means that:
the author...
11 months ago
Most Stripe accounts on Substack are “Standard Connect”, which essentially means that:
the author has full agency over their account and is the merchant of record;
they can revoke OAuth access from Substack (or whomever) at any time;
Substack continues to take that 10% as an...
watchTowr Labs
Palo Alto - Putting The Protecc In GlobalProtect (CVE-2024-3400)
Welcome to April 2024, again. We’re back, again.
Over the weekend, we were all greeted by...
8 months ago
Welcome to April 2024, again. We’re back, again.
Over the weekend, we were all greeted by now-familiar news—a nation-state was exploiting a “sophisticated” vulnerability for full compromise in yet another enterprise-grade SSLVPN device.
We’ve seen all the commentary around the...
Louwrentius
I resurrected my Dutch movie review site from 2003
Introduction
Between 2003 and 2006, I ran a Dutch movie review site called moevie.nl.1
I built the...
over a year ago
Introduction
Between 2003 and 2006, I ran a Dutch movie review site called moevie.nl.1
I built the site and wrote the reviews. It never made any money. It cost me money to host, and it cost me a lot of time writing reviews, but I remember enjoying writing reviews about films I...
Old Vintage...
So thieves broke into your storage unit - again
If you've been wondering why entries have been a little slow lately, let me tell you a story.
All...
2 months ago
If you've been wondering why entries have been a little slow lately, let me tell you a story.
All collectors tend to be a bit obsessive by nature, and us classic computer nerds probably pick up more hardware than we can (or should) store in our residence — especially if the...
Louwrentius
Got myself a Norco RPC-4020
I've got this fetish for storage. So I bought a case that gives me some room
for future expantion....
over a year ago
I've got this fetish for storage. So I bought a case that gives me some room
for future expantion. The current 6 TB RAID 6 storage server does not have any
room for expantion.
This Norco RPC-4020 case with 20 hot swap drive bays does however. Don't know
what to fill it with yet.
watchTowr Labs
Visionaries Have Democratised Remote Network Access - Citrix Virtual Apps and Desktops...
Well, we’re back again, with yet another fresh-off-the-press bug chain (and associated Interactive...
a month ago
Well, we’re back again, with yet another fresh-off-the-press bug chain (and associated Interactive Artifact Generator). This time, it’s in Citrix’s “Virtual Apps and Desktops” offering.
This is a tech stack that enables end-users (and likely, your friendly neighbourhood...
computers are bad
2024-01-16 the tacnet tracker
Previously on Deep Space Nine, I wrote that "the mid-2000s were an unsettled
time in mobile...
11 months ago
Previously on Deep Space Nine, I wrote that "the mid-2000s were an unsettled
time in mobile computing."
Today, I want to share a little example. Over the last few weeks, for various
personal reasons, I have been doing a lot of reading about embedded operating
systems and ISAs for...
Willem's Blog
Cleaning a vintage watch
This week I cleaned an automatic vintage watch and fitted it to with a new strap, rediscovering old...
over a year ago
This week I cleaned an automatic vintage watch and fitted it to with a new strap, rediscovering old beauty underneath layers of dirt!
axio.ms
Axio.ms site refresh
This is the obligatory “first post on new platform” post, coupled with a bit of “first post in 4...
over a year ago
This is the obligatory “first post on new platform” post, coupled with a bit of “first post in 4 years, I’m still alive”.
The original axio.ms site was a very HTML1.0 affair and while this was kind of intentional-tongue-in-cheek-chic, it was also a PITA to update. It wasn’t...
Ian's Blog
Having a Website Used to Be Fun
According to the Wayback Machine, I launched my website over a decade ago, in 2013. Just that...
2 months ago
According to the Wayback Machine, I launched my website over a decade ago, in 2013. Just that thought alone makes me feel old, but going back through the old snapshots of my websites made me feel a profound feeling of longing for a time when having a website used to be a novel...
Jonas Hietala
Ludum Dare 22 results!
The results from Ludum Dare 22 are in! I made the game Sat-E for the 48 hour competition and I was...
over a year ago
The results from Ludum Dare 22 are in! I made the game Sat-E for the 48 hour competition and I was quite happy with it.
#24 Community 3.71
#40 Fun 3.38
#49 Theme 3.69
#65 Overall 3.42
#95 Humor 2.82
#167 Mood 2.92
#247 Innovation 2.69
#338 Audio 2.23
#340 Graphics 2.62
#376...
Jonas Hietala
Geekhack Toxic
I came back to Linköping yesterday and I had a package waiting for me to pick it up. What could it...
over a year ago
I came back to Linköping yesterday and I had a package waiting for me to pick it up. What could it be?
With a crummy mobile phone photo I give you my TOXIC keycaps mounted on my trusty old das keyboard:
Woooo
If only my GH60 could arrive some time this decade…
Christian Selig
Beware UserDefaults: a tale of hard to find bugs, and lost data
Excuse the alarmist title, but I think it’s justified, as it’s an issue that’s caused me a ton of...
2 months ago
Excuse the alarmist title, but I think it’s justified, as it’s an issue that’s caused me a ton of pain in both support emails and actually tracking it down, so I want to make others aware of it so they don’t similarly burned.
Brief intro
For the uninitiated, UserDefaults (née...
Louwrentius
Using ncat to provide SSL-support to non-ssl capable software
Sometimes, people are using software that does not support encrypted
connections using SSL. To...
over a year ago
Sometimes, people are using software that does not support encrypted
connections using SSL. To provide SSL-support to such a client, ncat can be
used. Ncat is part of nmap, the famous port-scanner.
The main principle is that the non-ssl capable software does not connect to
the...
Vitalik Buterin's...
Where to use a blockchain in non-financial applications?
over a year ago
Arduino Blog
This robotic kalimba plays melodies with an Arduino Nano
With roots in Africa, the kalimba is a type of hand piano featuring an array of keys that are each...
3 months ago
With roots in Africa, the kalimba is a type of hand piano featuring an array of keys that are each tuned for a specific note, and upon plucking or striking one, a pleasant xylophone-like sound can be heard. Taking inspiration from his mini kalimba, Axel from the YouTube channel...
Willem's Blog
Realtime human pose recognition through computer vision
For an exciting new project I have been experimenting with TensorFlow, enabling realtime pose...
over a year ago
For an exciting new project I have been experimenting with TensorFlow, enabling realtime pose detection using PoseNet.
Computer Ads from...
Flash Sale and a Slight Change to Subscriptions
Time for a little business
3 months ago
Time for a little business
Willem's Blog
MUSE in Carré
MUSE's legendary rock fused with Amsterdam's Royal Theatre Carré for an unforgettable, electrifying...
over a year ago
MUSE's legendary rock fused with Amsterdam's Royal Theatre Carré for an unforgettable, electrifying experience - read about my experience!
Vitalik Buterin's...
[Mirror] Bir Proof of Stake Tasarım Felsefesi
over a year ago
Arduino Blog
A desktop-sized DIY vending machine for your room
Have you ever wanted your very own vending machine? If so, you likely found that they’re expensive...
6 months ago
Have you ever wanted your very own vending machine? If so, you likely found that they’re expensive and too bulky to fit in most homes. But now you can experience vending bliss thanks to this miniature vending machine designed by m22pj, which you can craft yourself using an...
Jonas Hietala
Eduroam for wicd in Linkoping's University
So we have eduroam at our University and unsurprisingly wicd is not on their official support list...
over a year ago
So we have eduroam at our University and unsurprisingly wicd is not on their official support list but with some googling the wonderful Arch Wiki had the answer. Well, almost.
Save the following as /etc/wicd/encryption/templates/ttls-80211:
name = TTLS for Wireless
author =...
Jonas Hietala
Faster than Light
So I returned to Faster than Light again this weekend, this time for real. I bought it when it came...
over a year ago
So I returned to Faster than Light again this weekend, this time for real. I bought it when it came out and I played it only in passing, but this weekend I played it a ton.
Aaahh a new beginning in FTL. Will it be death once more
I generally don’t like games where you have to...
Jonas Hietala
MenuCity
This game is called MenuCity and it’s a numbers game. Well that’s the theme anyway. The game pretty...
over a year ago
This game is called MenuCity and it’s a numbers game. Well that’s the theme anyway. The game pretty much held to what I planned for - except that it deviated from the theme -again- a bit.
My game is very reminiscent of the old calculator classic Block Dude made by Brandon...
Simply Explained
How WebP Images Reduced My Bandwidth Usage by 50%
Last year I migrated this website from Jekyll to Eleventy. This year, I’m finally implementing WebP...
over a year ago
Last year I migrated this website from Jekyll to Eleventy. This year, I’m finally implementing WebP images to save bandwidth and make this site even faster to load! This simple change reduced my bandwidth usage by 50% and is still backwards compatible with old devices and...
Vitalik Buterin's...
Endnotes on 2020: Crypto and Beyond
over a year ago
Applied Cartography
Tailwind black magic: styling paragraphs within tables
The new version of the Buttondown docs site is all in on Keystatic, Markdoc, and Tailwind's...
9 months ago
The new version of the Buttondown docs site is all in on Keystatic, Markdoc, and Tailwind's typography plugin — which makes it really easy to author beautiful docs in plaintext.
We ran into one small issue, which is that the Markdoc renderer likes to place paragraph tags in table...
Louwrentius
Firewire: the forgotten security risk
The battle between Firewire and USB has been won by USB, but Firewire is still
arround. It is not...
over a year ago
The battle between Firewire and USB has been won by USB, but Firewire is still
arround. It is not that prevalent, cheap computers lack Firewire, but they often
have a PCMCIA slot.
The thing is this: Firewire allows direct access to all RAM of your computer.
An attacker...
./techtipsy
So you want to migrate to Kubernetes: observations from a software developer
Kubernetes: everyone wants to do it, regardless of their scale and business objectives.1
Common...
3 months ago
Kubernetes: everyone wants to do it, regardless of their scale and business objectives.1
Common justifications include better scalability, cost savings, standardization and being super modern and stuff. It’s
the future!
In my personal experience, Kubernetes is far from the...
Christian Selig
A free, 3D printable Meta Quest 3 stand
People were really kind and seemed to enjoy my 3D printable Apple Vision Pro stand, a stand I...
8 months ago
People were really kind and seemed to enjoy my 3D printable Apple Vision Pro stand, a stand I designed in Fusion 360 with the goal of being visually appealing and compact as it stored the headset vertically so it wouldn’t take up too much space on your desk.
Turns out there were...
Jonas Hietala
Let's create a Tree-sitter grammar
One of my favorite features in Neovim is the Tree-sitter integration.
It allows for fast syntax...
9 months ago
One of my favorite features in Neovim is the Tree-sitter integration.
It allows for fast syntax highlighting that works well even in an error state (often the case when you’re editing code), and it has additional semantics (you can differentiate between function parameters and...
Louwrentius
Compiling Multicore PAR2 on Ubuntu 12.04 LTS Precise Pangolin
If you want to compile PAR2 with multicore support on Linux, it may not work right away from source....
over a year ago
If you want to compile PAR2 with multicore support on Linux, it may not work right away from source. I used this version of PAR2 with multicore support.
Update 2015: the original link is dead, I foud a copy of the source and put it on my own site here for you to download.
First,...
./techtipsy
Turning leftover PC parts into a decent gaming PC
Introduction
About a year ago, I bought an used PC based off of
a Lenovo Erazer X510. It had a...
over a year ago
Introduction
About a year ago, I bought an used PC based off of
a Lenovo Erazer X510. It had a dual-core Intel Pentium
G3220 CPU, 4GB of DDR3 RAM, a crappy Codegen 400W power supply and a 60GB SSD. I added an Nvidia GTX 1050 and just like
that, a budget gaming PC was born. My...
Jonas Hietala
An invisible Remake
What does a guy like me do when not working on a new game? Except living my life, being a coach for...
over a year ago
What does a guy like me do when not working on a new game? Except living my life, being a coach for my little brother’s hockey team and eating strawberries? The last week or so I’ve been working hard with my webpage, yes this page. If you’ve visited my site before today you’ll...
On Life and Lisp
Software freedom isn't about licenses -- it's about power.
A restrictive end-user license agreement is one way a company can exert power over the user. When...
over a year ago
A restrictive end-user license agreement is one way a company can exert power over the user. When the free software movement was founded thirty years ago, these restrictive licenses were the primary user-hostile power dynamic, so permissive and copyleft licenses emerged as...
Good Enough
TIL: Listen for JavaScript events only once!
A common thing I find myself doing in Javascript is adding some event driven behavior that I only...
a year ago
A common thing I find myself doing in Javascript is adding some event driven behavior that I only want to happen once. Let’s say I have a big button that starts the process of lowering a certain spy into a pool of certain doom — I don’t want a second button press to awkwardly...
Louwrentius
An ode to the 10,000 RPM Western Digital (Veloci)Raptor
Introduction
Back in 2004, I visited a now bankrupt Dutch computer store called MyCom1, located at...
over a year ago
Introduction
Back in 2004, I visited a now bankrupt Dutch computer store called MyCom1, located at the Kinkerstraat in Amsterdam. I was there to buy a Western Digital Raptor model WD740, with 74 GB of capacity, running at 10,000 RPM.
When I bought this drive, we were still in...
Simply Explained
Building Air Quality Sensor: Luftdaten + Home Assistant
Luftdaten (now Sensor Community) is a global sensor network that measures air quality around the...
over a year ago
Luftdaten (now Sensor Community) is a global sensor network that measures air quality around the world. Best of all: it's open-source and anyone can build a sensor.I was very curious to see the air quality in my neighborhood, so I decided to build myself a sensor. And of course,...
Notes on software...
General book recommendations
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
Birchtree
That time Apple made Auido Hijack way worse, but eventually made it better for everyone
Paul Kafasis: The Developers Who Came in From the Cold
I’m delighted to say that we have completed...
a week ago
Paul Kafasis: The Developers Who Came in From the Cold
I’m delighted to say that we have completed our transition to ARK, and it now powers all of our audio capture apps on MacOS 14 and higher. Our glorious hassle-free future has finally arrived, and you can get
Christian Selig
The Caldera: a sleek split and wireless keyboard
I designed my own keyboard and it’s freely available! I’m calling it the Caldera, and it’s basically...
5 months ago
I designed my own keyboard and it’s freely available! I’m calling it the Caldera, and it’s basically my dream wireless split keyboard.
I’ve been using it for months, and I love it.
Video overview
If you’re a visual person, I made a fun little video showcasing the...
Posts on Made of...
wpa_supplicant: GUI and wpa_action
I’ve made two new interesting discoveries about wpa_supplicant since writing my last blog post on...
over a year ago
I’ve made two new interesting discoveries about wpa_supplicant since writing my last blog post on the subject. (Actually, I pretty much made both of them while reading documentation in order to write it, and have been lame about writing them up).
Using wpa_gui It turns out that...
Jonas Hietala
The I'm Great quote
A new semester at the uni and so far it looks promising; I got a hold of some new books even though...
over a year ago
A new semester at the uni and so far it looks promising; I got a hold of some new books even though the bookstore had a snakelike queue similar to the Jörmungandr (the snake that encircled the earth in nordic mythology) and our new programming course started. This time it’s Ada’s...
Notes on software...
Writing a SQL database from scratch in Go: 1. SELECT, INSERT, CREATE and a REPL
Next in database basics:
2. binary expressions and WHERE filters
3. indexes
4. a...
over a year ago
Next in database basics:
2. binary expressions and WHERE filters
3. indexes
4. a database/sql driver
In this series we'll write a rudimentary database from
scratch in Go. Project source code is available on
Github.
In this first post we'll build enough of a parser to...
Jonas Hietala
Embedding youtube videos with Hakyll
A while ago a made a timelapse of my entry to Ludum Dare. This is how I parse and embed videos using...
over a year ago
A while ago a made a timelapse of my entry to Ludum Dare. This is how I parse and embed videos using Hakyll.
I don’t want to remember any special syntax for embedding, I don’t want to bother (remember?) to use something like {% youtube: <link> %} or whatever syntax we might find...
Old Vintage...
Commodore does the iPad "crush" concept right ... in 1985
I get what Apple was trying to say with their infamous Crush ad, even though they made it a little...
7 months ago
I get what Apple was trying to say with their infamous Crush ad, even though they made it a little weird. They should have simply done what Commodore did for the C128 — ironically, competing with the Apple IIc. Notice the emphasis on audio and sound, plus the Commodore 64 perched...
Bryan Braun - Blog
Links #10
How to Get on a Podcast - This is a short and invaluable post for anyone who wants to be a podcast...
5 months ago
How to Get on a Podcast - This is a short and invaluable post for anyone who wants to be a podcast guest. It puts you in the shoes of a podcaster, showing you what they need, and how you can be a “sure thing” for them. As usual, there are no short cuts. You gotta do the work!
A...
Ken Shirriff's blog
Inside a ferroelectric RAM chip
Ferroelectric memory (FRAM) is an interesting storage technique that stores bits in a special...
3 months ago
Ferroelectric memory (FRAM) is an interesting storage technique that stores bits in a special "ferroelectric" material.
Ferroelectric memory is nonvolatile like flash memory, able to hold its data for decades.
But, unlike flash, ferroelectric memory can write data...
Jonas Hietala
Monty Hall
I’m currently reading The Drunkard’s Walk, a well written book about probabilities.
There they...
over a year ago
I’m currently reading The Drunkard’s Walk, a well written book about probabilities.
There they discussed the famous Monty Hall Problem. I’ve heard about it before
and I know the answer, but he mentioned a simulation of the problem and that sounded
cool so I made a simulation of...
Vitalik Buterin's...
On Nathan Schneider on the limits of cryptoeconomics
over a year ago
Jonas Hietala
Bullets and AI
The game is still far from being an actual game but some progress has been made. I fixed most of the...
over a year ago
The game is still far from being an actual game but some progress has been made. I fixed most of the collision detection problems and I’m now trying to make some sort of AI working for the ship. It’s a bit hard and time consuming and I don’t know how to make things good.
Maybe...
Notes on software...
Bootloader basics
I spent a few days playing around with bootloaders for the first
time. This post builds up to a text...
over a year ago
I spent a few days playing around with bootloaders for the first
time. This post builds up to a text editor with a few keyboard
shortcuts. I'll be giving a virtual talk based on this work at Hacker
Nights on Jan 27.
There are a definitely bugs. But it's hard to find...
Jonas Hietala
I Made It!
It’s been over a year, but I haven’t lost (most) my touch yet! For the second time I’ve completed a...
over a year ago
It’s been over a year, but I haven’t lost (most) my touch yet! For the second time I’ve completed a Ludum Dare! Not an easy feat and yet there are tons of games that look absolutely wonderful. I’m not there yet but now I have at least gotten back into game making again, long...
Willem's Blog
Helping people with free software
This week I helped a man with repairing and reinstalling his computer with Debian GNU/Linux.
over a year ago
This week I helped a man with repairing and reinstalling his computer with Debian GNU/Linux.
Notes on software...
A minimal REST API in Java
There's a style of Java that is a joy to write. This post will cover
how to set up a basic...
over a year ago
There's a style of Java that is a joy to write. This post will cover
how to set up a basic PostgreSQL-integrated REST API using
Jersey and
JOOQ in a style not dissimilar to Flask and
SQLAlchemy in Python.
In particular, we'll try to avoid as much runtime
reflection/class-loading...
./techtipsy
My server setups throughout the years
My self-hosting adventure started during my university days. Once I actually had money to buy myself...
over a year ago
My self-hosting adventure started during my university days. Once I actually had money to buy myself a decent used laptop
(ThinkPad T430) that had more than 3GB of RAM that my ThinkPad T60 had, I could use some of my older hardware as
testbeds for any of the stupid ideas that I...
./techtipsy
I have a 'Dall UD19PB ThundeRbglt Dock': my experience with the HP Elitebook 845 G9
I’ve decided to give a new laptop a test drive, mainly because I had the
opportunity at work, and...
over a year ago
I’ve decided to give a new laptop a test drive, mainly because I had the
opportunity at work, and also out of morbid curiosity.
It’s the HP Elitebook 845 G9, and it has pretty good specifications:
CPU: AMD Ryzen 7 6800U
RAM: 2x16GB DDR5
Storage: 512GB KIOXIA NVMe SSD...
Arduino Blog
A drone remote designed to enhance magic shows
Maker culture has always been a major part of magic performance. Some tricks are well-rehearsed...
7 months ago
Maker culture has always been a major part of magic performance. Some tricks are well-rehearsed slight of hand, but many of them rely on clever engineering to sell an illusion. And modern technology offers a great deal of interesting possibilities. That is the idea behind Peter...
Jonas Hietala
(Fake) Bittman Chinese Chicken
Lesson 6! I went to Cervera and bought a holder to allow me to steam chicken.
I broke the recipe on...
over a year ago
Lesson 6! I went to Cervera and bought a holder to allow me to steam chicken.
I broke the recipe on multiple fronts: chicken wings instead of chicken breasts, mushroom soy instead of tamarin, roman salad instead of baby bok choi (where the heck do you find that…) and I even...
Arduino Blog
Exploring Alvik: 3 fun and creative projects with Arduino’s educational robot platform
Alvik is cute, it’s smart, it’s fun… so what can it actually do? To answer this question, we...
2 weeks ago
Alvik is cute, it’s smart, it’s fun… so what can it actually do? To answer this question, we decided to have fun and put the robot to the test with some of the most creative people we know – our own team! A dozen Arduino employees volunteered for a dedicated Make Tank session...
Matt Blewitt
Long Distance Relationships
I’ve been managing a fully remote, fully distributed team, covering timezones from UTC-8 through...
2 months ago
I’ve been managing a fully remote, fully distributed team, covering timezones from UTC-8 through UTC+10, for the last couple of years. Through that time, I’ve learned a lot on organising work, interpersonal relationships, and ultimately how to overcome a lack of promximity to my...
Notes on software...
The impact of management teams as a decision-making group, in startups and enterprise
Ambitious companies form management teams at every level above you,
sometimes including you....
over a year ago
Ambitious companies form management teams at every level above you,
sometimes including you. Management teams meet periodically and have
private chat rooms. They discuss customers, product and organizational
direction. Sometimes discussions are well documented and...
Jonas Hietala
fish_update_completions in Slackware 14.1
I’ve been trying out fish shell lately. A cool feature with fish is that it can automatically...
over a year ago
I’ve been trying out fish shell lately. A cool feature with fish is that it can automatically generate completions by parsing the installed man pages by running fish_update_completions.
Unfortunately this is what I got:
Traceback (most recent call last):
File...
Jonas Hietala
Design for Hackers has arrived!
Design for Hackers
It’s here! After about a month of waiting I’ve finally gotten the book that will...
over a year ago
Design for Hackers
It’s here! After about a month of waiting I’ve finally gotten the book that will make me a design god! Or at least make me aware of something called design. Joking aside I’m really terrible at design and making things look good. Admittedly my programming art...
Neil Madden
I still don’t really get “hash shucking”
If you want to learn how to store passwords securely, you could do a lot worse than looking at the...
a year ago
If you want to learn how to store passwords securely, you could do a lot worse than looking at the OWASP Password Storage Cheat Sheet. These cheat sheets are generally pretty good, and the password storage one is particularly good. The editors do a great job of keeping it up to...
Computer Ads from...
Ampere WS-1
A cool Japanese clamtop
9 months ago
Arduino Blog
Arduino and Truesense partner to bring UWB technology to millions
We are excited to announce our latest partnership with Truesense, a leader in ultra-wideband (UWB)...
2 months ago
We are excited to announce our latest partnership with Truesense, a leader in ultra-wideband (UWB) technology, known for its innovative software and hardware solutions. This collaboration enhances our ecosystem of hardware products, software solutions, and cloud services,...
Ken Shirriff's blog
Reverse engineering the 59-pound printer onboard the Space Shuttle
The Space Shuttle contained a bulky printer so the astronauts could
receive procedures, mission...
5 months ago
The Space Shuttle contained a bulky printer so the astronauts could
receive procedures, mission plans, weather reports, crew activity plans, and other documents.
Needed for the first Shuttle launch in 1981, this printer was designed in just 7 months, built around an Army...
Simply Explained
How I Structure My ESPHome Config Files
I'm a big fan of ESPHome. I have 24 devices running it, and I only buy new IoT devices when I know...
over a year ago
I'm a big fan of ESPHome. I have 24 devices running it, and I only buy new IoT devices when I know they can run ESPHome.ESPHome is a modular firmware that you have to configure with YAML files. You define what components it should load and how it should talk to the hardware of...
axio.ms
A small ode to the CRT
Built October 2018
I used to hate Cathode Ray Tubes. As a kid in Europe, everything flickered at...
over a year ago
Built October 2018
I used to hate Cathode Ray Tubes. As a kid in Europe, everything flickered at 50Hz, or made a loud whistle at 15.625KHz (back when I could still hear it). CRTs just seemed crude, “electro-brutalist” contraptions from the valve era. They were heavy, and...
Louwrentius
The future of ZFS now that OpenSolaris is dead
With the probable loss of OpenSolaris, there may be another, maybe more
devastating loss.
The very...
over a year ago
With the probable loss of OpenSolaris, there may be another, maybe more
devastating loss.
The very popular and very advanced Zetabyte File System (ZFS)
The only open source platform that actively supports ZFS is FreeBSD. And they
just 'copied' the code from OpenSolaris. Are they...
Birchtree
OpenAI is early Googling late-stage Google
Chuck W. Nelson: Google's Search Results Are Infested, and Open AI Is Using Google's Playbook From...
5 days ago
Chuck W. Nelson: Google's Search Results Are Infested, and Open AI Is Using Google's Playbook From the 2000s
In order for Google to keep its crown, it needs to remember what it was in the 2000s and a bit of luck.
Seeing Google grow from the
Buck on Software
Explaining the growth software sell-off
The terminal value double whammy of rising interest rates
over a year ago
The terminal value double whammy of rising interest rates
Arduino Blog
This Arduino-controlled Spin Meister helps spin up the perfect pizza
Dedicated pizza ovens are all the rage right now, as they provide a better-distributed and higher...
6 months ago
Dedicated pizza ovens are all the rage right now, as they provide a better-distributed and higher heat that many find more preferable than a conventional kitchen oven. But even a nice gas-powered pizza oven like the Ooni Koda 12 will have some hot spots and cold spots. To get an...
Jonas Hietala
How I did the layout for my self-published book
This is a rundown of how I typeset and laid out my self-published book for the web version, the EPUB...
10 months ago
This is a rundown of how I typeset and laid out my self-published book for the web version, the EPUB version, and the printed version.
I was planning to include many more details, but the project took a lot longer than planned so I’ve forgotten some things.
Web page
I started...
Jonas Hietala
The Top Idea
Recently I’ve been having a dozen ideas and projects I’ve been poking around with:
I wrote a simple...
over a year ago
Recently I’ve been having a dozen ideas and projects I’ve been poking around with:
I wrote a simple lua, later perl, which announced when a new day9 episode has come. Later I expanded it to search for new manga episodes, but now it’s broken and unfinished.
In an attempt to learn...
Home on Erik...
3D in D3
I have spent some time lately with D3. It's a lot of fun to build interactive graphs. See for...
over a year ago
I have spent some time lately with D3. It's a lot of fun to build interactive graphs. See for instance this demo (will provide a longer writeup soon).
D3 doesn't have support for 3D but you can do projections into 2D pretty easily.
Jonas Hietala
A Nice Weekend
I’ve had a pretty nice weekend. On Friday MLG Orlando began and I’ve been staying up to 2 and...
over a year ago
I’ve had a pretty nice weekend. On Friday MLG Orlando began and I’ve been staying up to 2 and sleeping until at least 10 the last days. My inner night-owl is very happy about it, my early-rising girlfriend perhaps not as much, but I think she’s a bit understanding?
On Saturday we...
Nabeel S. Qureshi
How To Sell
Sales at a startup is counter-intuitive.
over a year ago
Sales at a startup is counter-intuitive.
Louwrentius
How to build an energy efficient computer for home use
In short:
Buy whatever you fucking want.
Turn the fucking thing off when you're not using...
over a year ago
In short:
Buy whatever you fucking want.
Turn the fucking thing off when you're not using it.
Long:
People are spending a lot of time building an energy efficient home computer,
that can act as an HTPC, NAS, or whatever. It must consume as little power as
possible, because it it...
Notes on software...
Let's build a distributed Postgres proof of concept
What is CockroachDB under the hood? Take a look at
its go.mod
and notice a number of dependencies...
over a year ago
What is CockroachDB under the hood? Take a look at
its go.mod
and notice a number of dependencies that do a lot of work: a
PostgreSQL wire protocol
implementation, a storage
layer, a Raft implementation
for distributed consensus. And not
part of go.mod but still building on 3rd...
Applied Cartography
PSA: mess around with Keystatic
We've been using Keystatic in Buttondown for around six months now: we migrated most of the content...
9 months ago
We've been using Keystatic in Buttondown for around six months now: we migrated most of the content on the marketing site (which is backed by Next) from MDX onto Keystatic, and were so happy with the experience that the upcoming rebuild of the docs site will be featuring...
Vitalik Buterin's...
DAOs are not corporations: where decentralization in autonomous organizations matters
over a year ago
Abort Retry Fail
The History of Windows 1.0
Vaporware
a year ago
Vitalik Buterin's...
Making Ethereum alignment legible
3 months ago
Neil Madden
CVE-2022-21449: Psychic Signatures in Java
The long-running BBC sci-fi show Doctor Who has a recurring plot device where the Doctor manages to...
over a year ago
The long-running BBC sci-fi show Doctor Who has a recurring plot device where the Doctor manages to get out of trouble by showing an identity card which is actually completely blank. Of course, this being Doctor Who, the card is really made out of a special “psychic paper“, which...
Jonas Hietala
Default audio card in linux
There are a bunch of posts about making your audio work by default in Linux but none that just...
over a year ago
There are a bunch of posts about making your audio work by default in Linux but none that just worked for me.
I had three separate problems:
Getting sound
Playing sound from multiple sources at the same time
Audio card getting different numbers on reboot
Getting sound
Here I...
Arduino Blog
Expanding possibilities: Blues Wireless amplifies Opta’s connectivity
Blues Wireless and Arduino have joined forces to create the game-changing Blues Wireless for Arduino...
7 months ago
Blues Wireless and Arduino have joined forces to create the game-changing Blues Wireless for Arduino Opta, unveiled this week at the Automate Show in Chicago. The expansion module is an affordable solution to enhance connectivity options for Arduino Opta micro PLCs, and marks a...
Matt Mullenweg
Age-gating
I’m not opposed to age-gating at all, I think it’s appropriate in many situations and useful, and...
a month ago
I’m not opposed to age-gating at all, I think it’s appropriate in many situations and useful, and democratic societies can decide their own rules there. But it should be handled and authenticated as low-level as possible, at the operating system layer. See also: Australia’s...
./techtipsy
The absolute state of Bluetooth audio in 2022
I have the Sony WH-1000XM3 headphones. They’re good for consuming content.
Audio calls with your...
over a year ago
I have the Sony WH-1000XM3 headphones. They’re good for consuming content.
Audio calls with your colleagues? Forget about it.
This is the setup I have to go with, and it has all to do with how Bluetooth
works. Your options with Bluetooth headsets are the following:
high quality...
Simply Explained
ESP-IDF: Storing AWS IoT certificates in the NVS partition (for OTA)
When using AWS IoT Core, most tutorials will tell you to include device certificates in your...
over a year ago
When using AWS IoT Core, most tutorials will tell you to include device certificates in your firmware. While that does work, it means you won't be able to run over-the-air updates.In this post, I'll show how to store AWS certificates in the NVS partition. This will make it...
Notes on software...
Benchmarking esbuild, swc, tsc, and babel for React/JSX projects
This is an external post of mine. Click
here
if you are not redirected.
over a year ago
This is an external post of mine. Click
here
if you are not redirected.
latest projects -...
Smallest USB-C MIDI Synth
[Hardware] The smallest and silliest MIDI synth yet
a year ago
[Hardware] The smallest and silliest MIDI synth yet
computers are bad
2023-08-07 STIRred AND SHAKEN
In a couple of days, I pack up my bags to head for DEFCON. In a rare moment of
pre-planning, perhaps...
a year ago
In a couple of days, I pack up my bags to head for DEFCON. In a rare moment of
pre-planning, perhaps spurred by boredom, I looked through the schedule to see
what's in store in the world of telephony. There is a workshop on SS7, of
course [1], plenty of content on cellular, but...
Construction Physics
Energy Cheat Sheet
Building an intuition about energy
a week ago
Building an intuition about energy
computers are bad
2023-07-15 underwater ears everywhere
Programming note: the subscribe link was broken for a while because I am
bad at computers (yet...
a year ago
Programming note: the subscribe link was broken for a while because I am
bad at computers (yet another case of "forgot to enable the systemd unit").
It's fixed now. The unsubscribe link was also broken and is now fixed but,
you know, maybe that was a feature. Did wonders for...
lcamtuf’s thing
Building a phosphorescence detector
There's very little written about natural phosphorescence. Let's design a device that can spot it in...
a month ago
There's very little written about natural phosphorescence. Let's design a device that can spot it in the wild.
Lighthouse Blog
How to combine multiple RSS feeds in one view
7 months ago
Opsbros
Volumer
I've always wanted a good USB volume control, so I decided to design one.
over a year ago
I've always wanted a good USB volume control, so I decided to design one.
Lars Lofgren
Forbes Marketplace: The Parasite SEO Company Trying to Devour Its Host
Are you sick of Forbes appearing in search results? For topics that Forbes doesn’t have any...
3 months ago
Are you sick of Forbes appearing in search results? For topics that Forbes doesn’t have any expertise in? Here’s the organic rankings for “best pet insurance”: Forbes ranks #2. Not sure a business website knows how pet insurance actually works. But okay. They also have the #1...
Home on Erik...
New approximate nearest neighbor benchmarks
As some of you may know, one of my side interests is approximate nearest neighbor algorithms. I'm...
over a year ago
As some of you may know, one of my side interests is approximate nearest neighbor algorithms. I'm the author of Annoy, a library with 3,500+ stars on Github as of today. It offers fast approximate search for nearest neighbors with the additional benefit that you can load data...
./techtipsy
ASRock X570M Pro4 motherboard overview
Not too long ago, I had the goal of consolidating all my computing needs onto a
single desktop PC....
over a year ago
Not too long ago, I had the goal of consolidating all my computing needs onto a
single desktop PC. That meant moving from an mITX-based build to something that
had a bit more expandability. Since I already had a
Fractal Meshify C Mini,
I decided to go for an mATX motherboard. And...
Electronics etc…
Cable Length Measurement with an HP 8007B Pulse Generator
MathJax.Hub.Config({
jax: ["input/TeX", "output/HTML-CSS"],
tex2jax: {
inlineMath: [...
a year ago
MathJax.Hub.Config({
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tex2jax: {
inlineMath: [ ['$', '$'], ["\\(", "\\)"] ],
displayMath: [ ['$$', '$$'], ["\\[", "\\]"] ],
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skipTags: ['script', 'noscript', 'style', 'textarea', 'pre',...
Willem's Blog
Using a budget Android as main smartphone
I switched to Android to find out how good a budget smartphone performs compared to an expensive...
over a year ago
I switched to Android to find out how good a budget smartphone performs compared to an expensive iPhone.
Posts on Made of...
Design for Testability
When designing a new software project, one is often faced with a glut of choices about how to...
over a year ago
When designing a new software project, one is often faced with a glut of choices about how to structure it. What should the core abstractions be? How should they interact with each other?
In this post, I want to argue for a design heuristic that I’ve found to be a useful guide to...
seangoedecke.com RSS...
Avoiding worry driven development
Sofware dysfunction is more often motivated by anxiety, fear, worry and embarassment than it is by a...
over a year ago
Sofware dysfunction is more often motivated by anxiety, fear, worry and embarassment than it is by a lack of technical skill. Engineers…
Home on Erik...
Optimizing for iteration speed
I've written before about the importance of iterating quickly but I didn't necessarily talk about...
over a year ago
I've written before about the importance of iterating quickly but I didn't necessarily talk about some concrete things you can do. When I've built up the tech team at Better, I've intentionally optimized for fast iteration speed above almost everything else.
Home on Erik...
The hardest challenge about becoming a manager
Note: this post is full of pseudo-psychology and highly speculative content. Like most fun stuff!
I...
over a year ago
Note: this post is full of pseudo-psychology and highly speculative content. Like most fun stuff!
I became a manager back in 2009. Being a developer is fun. You have this very tangible way to measure yourself.
Arduino Blog
Project Hub’s new featured pages are your gateway to inspiration!
Arduino’s Project Hub is more than just a platform; it’s a vibrant community where members share...
6 months ago
Arduino’s Project Hub is more than just a platform; it’s a vibrant community where members share their ideas and achievements, contributing to our knowledge base and inspiring everyone to make, learn, and try something new. With close to 5,400 projects, including tutorials,...
Jonas Hietala
Speeding Ahead
Life is slowly settling down over here. School has started with some pretty interesting stuff this...
over a year ago
Life is slowly settling down over here. School has started with some pretty interesting stuff this year. Firstly we have a math analysis course in multiple variables which is ok. I’m not a fan of the previous analysis courses but maybe this will be a bit different. We’re...
Jonas Hietala
My first rust Contribution
The problem with open-source for most people isn’t writing code, but it’s all the other things.
How...
over a year ago
The problem with open-source for most people isn’t writing code, but it’s all the other things.
How shall I push my changes? How do I handle git? What should I do?
I was the same and I actually dreaded my awesome summer job, just a little bit, because now I’m supposed to...
Arduino Blog
This UNO R4 WiFi-controlled device streamlines a restaurant’s online order system
Most successful restaurants operating today have to take advantage of online ordering, as a huge...
4 months ago
Most successful restaurants operating today have to take advantage of online ordering, as a huge chunk of customers have switched to takeout and delivery. But point-of-sale (POS) systems don’t always integrate well into a kitchen’s workflow and that can lead to missed orders —...
Willem's Blog
Harvesting boredom to let creativity flourish
What does it mean for my state of mind and creativity if I am no longer be constantly connected to...
over a year ago
What does it mean for my state of mind and creativity if I am no longer be constantly connected to the Internet using a smartphone.
Vitalik Buterin's...
Layer 2s as cultural extensions of Ethereum
7 months ago
Arduino Blog
Exploring fungal intelligence with biohybrid robots powered by Arduino
At Cornell University, Dr. Anand Kumar Mishra and his team have been conducting groundbreaking...
a month ago
At Cornell University, Dr. Anand Kumar Mishra and his team have been conducting groundbreaking research that brings together the fields of robotics, biology, and engineering. Their recent experiments, published in Science, explore how fungal mycelia can be used to control robots....
Electronics etc…
Fake Parallel Printer - A Parallel Port Traffic Capturing Tool
Introduction
What Is Out There?
The Parallel Printer Port
Fake Printer Top Level Design Choices
Fake...
a year ago
Introduction
What Is Out There?
The Parallel Printer Port
Fake Printer Top Level Design Choices
Fake Printer HW Details
PCB Revision 1
PCB Revision 2
Firmware
Building a Fake Printer Tool Yourself
Programming the Raspberry Pico
Fake Printer as a USB Serial Device on your...
seangoedecke.com RSS...
From hours to seconds: AI tools to detect animal calls
If you’re currently spending time listening to long audio recordings of birdcalls or animal noises,...
8 months ago
If you’re currently spending time listening to long audio recordings of birdcalls or animal noises, it’s likely that the last four years of…
Willem's Blog
Realtime service uptime monitoring
Downtime happens and it is nothing to be ashamed of, just make sure that you set yourself up to...
over a year ago
Downtime happens and it is nothing to be ashamed of, just make sure that you set yourself up to discover problems as soon as possible! Know about problems before your customers do!
Christian Selig
Table of Contents Selector View
I wrote a new little view for a future version of Apollo that makes some changes to the default iOS...
over a year ago
I wrote a new little view for a future version of Apollo that makes some changes to the default iOS version (that seems to be a weird trend in my recent programming, despite me loving built-in components). Here’s some details about it! It’s also available as a library on GitHub...
Neil Madden
Making things
I made my daughter a toy tree house thing for Christmas out of old firewood (and a slice of cedar...
over a year ago
I made my daughter a toy tree house thing for Christmas out of old firewood (and a slice of cedar donated by a neighbour). It’s a bit clunky in places — “rustic” shall we say? But I probably enjoyed making this, over a few weeks of lunchtimes and evenings, more than anything I’ve...
Odds and Ends of...
Odds and Ends #46: The transformation of London's skyline, a big week for nuclear, and installing...
Plus how to avoid the road pricing landmine
4 weeks ago
Plus how to avoid the road pricing landmine
Arduino Blog
Can this tiny lawn mower robot cut it in the real world?
We’re finally starting to see robotic lawn mowers gain a little bit of traction as prices come down...
6 months ago
We’re finally starting to see robotic lawn mowers gain a little bit of traction as prices come down and consumer trust goes up. They work a bit like Roomba vacuums and pathfinding sophistication varies from one model to the next. But even the most basic models are still a lot...
Jonas Hietala
Let's build a VORON: Build start
The end goal, as rendered by Autodesk’s online viewer
I’m not sure where it came from, but it was...
a year ago
The end goal, as rendered by Autodesk’s online viewer
I’m not sure where it came from, but it was suddenly very important that I got myself a 3D printer.
Maybe it was an important insight, but it maybe it was only a fix idea I got that somehow became this all-import...
Posts on Made of...
Navigating the Linux Kernel
In response to my query last time, ezyang asked for any tips or tricks I have for finding my way...
over a year ago
In response to my query last time, ezyang asked for any tips or tricks I have for finding my way around the Linux kernel. I’m not sure I have much in the way of systematic advice for tracking down the answers to questions about the Linux kernel, but thinking about what I do when...
seangoedecke.com RSS...
How I ship projects at big tech companies
I have shipped a lot of different projects over the last ~10 years in tech. I often get tapped to...
a month ago
I have shipped a lot of different projects over the last ~10 years in tech. I often get tapped to lead new ones when it’s important to get…
Simply Explained
Good Home Automation Should be Boring
I'm a huge fan of Home Assistant to automate various things around the house. I often look at other...
over a year ago
I'm a huge fan of Home Assistant to automate various things around the house. I often look at other people's setup for inspiration, and one thing struck me. Many people have cluttered dashboards and use Home Assistant to track just about any metric they can.That's quite different...
Home on Erik...
The lane next to you is more likely to be slower than yours
Saw this link on Hacker News the other day: The Highway Lane Next to Yours Isn’t Really Moving Any...
over a year ago
Saw this link on Hacker News the other day: The Highway Lane Next to Yours Isn’t Really Moving Any Faster
The article describes a phenomenon unique to traffic where cars spread out when they go fast and get more compact when they go slow.
Jonas Hietala
My first theme: Addictive Gaming
In true experimental spirit I’ll now announce the theme for my first game: Addictive Gaming. I won’t...
over a year ago
In true experimental spirit I’ll now announce the theme for my first game: Addictive Gaming. I won’t be following the lead from the Experimental Gameplay Project’s site but I will follow their three laws (7 days, alone, themes).
Puh… my first game! Wish me luck =)
Posts on Made of...
Lab Notebooking for the Software Engineer
A few weeks ago, I wrote that software engineers should keep lab notebooks as they work, in addition...
over a year ago
A few weeks ago, I wrote that software engineers should keep lab notebooks as they work, in addition to just documenting things after the fact. Today, I’m going to share the techniques that I’ve found useful to try to get in the habit of lab-notebooking my work, even though I...
Electronics etc…
Tektronix TDS 684B Oscilloscope Button Swap
Introduction
Removing the panels
Swapping a Rotary Encoder
Putting it all back together
End...
8 months ago
Introduction
Removing the panels
Swapping a Rotary Encoder
Putting it all back together
End Result
Introduction
I recently bought a TDS 684B for cheap at a government auction. With 1 GHz BW
and 5 Gsps sample rate, it can be used for those cases where my 350 MHz/2Gsps
Siglent...
Louwrentius
Fully unattended deployment of Windows clients using limited resources
Introduction
Anyone who ever installed Windows on a computer by hand must have wished for a solution...
over a year ago
Introduction
Anyone who ever installed Windows on a computer by hand must have wished for a solution that automate this task. It's just waiting a lot and pressing a button now and then. But installing the operating system itself is only the beginning. Once installed, you need to...
Push to Prod
How We Built a Self-Healing System to Survive a Terrifying Concurrency Bug At Netflix
Our CPUs were dying, the bug was temporarily un-fixable, and we had no viable path forward. Here's...
4 months ago
Our CPUs were dying, the bug was temporarily un-fixable, and we had no viable path forward. Here's how we managed to survive.
Willem's Blog
Scalable application design without magic
I needed to design a scalable backend infrastructure that could handle lots of concurrent users. I...
over a year ago
I needed to design a scalable backend infrastructure that could handle lots of concurrent users. I did this by leveraging the client's computing power having it handle most of the user interaction workload.
Willem's Blog
Giving AI Training
Explore the transformative power of AI in everyday work: Dive into firsthand insights from a recent...
a year ago
Explore the transformative power of AI in everyday work: Dive into firsthand insights from a recent AI training session that's reshaping professional landscapes.
Jonas Hietala
rustc: error while loading shared libraries: librustc_driver
I had installed and used rust already but today I fired it up and received:
rustc...
over a year ago
I had installed and used rust already but today I fired it up and received:
rustc --version
rustc: error while loading shared libraries: librustc_driver-7e44814b.so: cannot open shared object file: No such file or directory
I’ve seen this before… I thought modifying...
computers are bad
2024-08-12 a pedantic review of the las vegas loop
Did you hear that Elon Musk dug a tunnel under the Las Vegas Convention
Center?
I think it is pretty...
4 months ago
Did you hear that Elon Musk dug a tunnel under the Las Vegas Convention
Center?
I think it is pretty universally known by now that the "Las Vegas Loop" is
impractical, poorly thought out, and generally an embarrassment to society and
industry. I will spare an accounting of the...
Louwrentius
71 TiB DIY NAS based on ZFS on Linux
This is my new 71 TiB DIY NAS. This server is the successor to my six year old, twenty drive 18 TB...
over a year ago
This is my new 71 TiB DIY NAS. This server is the successor to my six year old, twenty drive 18 TB NAS (17 TiB). With a storage capacity four times higher than the original and an incredible read (2.5 GB/s)/write (1.9 GB/s) performance, it's a worthy successor.
Purpose
The...
csvbase blog
There are 665 open licences, most are pretty rubbish
you are in a maze of twisty licences, all alike
3 months ago
you are in a maze of twisty licences, all alike
Louwrentius
Corsair CM PSU-750HX seems ok
I had to replace my Coolermaster PSU and after some searching on the interweb,
I chose the Corsair...
over a year ago
I had to replace my Coolermaster PSU and after some searching on the interweb,
I chose the Corsair CMPSU-750HX. One of the reasons is that Corsair states
that this PSU can withstand 50 degree Celcius in continuous operation on full
load.
The package is very, clean, with all the...
Willem's Blog
The value of notifications
It's easy to dismiss your phone's notifications as something that disturbs you, but if you take the...
over a year ago
It's easy to dismiss your phone's notifications as something that disturbs you, but if you take the time to set them up correctly, notifications can actually save you time!
Jonas Hietala
The T-34/0 keyboard layout
This is an update to the T-34 keyboard layout I’ve been using for a solid number of weeks. While...
over a year ago
This is an update to the T-34 keyboard layout I’ve been using for a solid number of weeks. While there are more changes I’d like to try, I’m quite pleased with these changes so I figured I might as well immortalize them before I explore further. (And I do have a bunch of big...
Arduino Blog
Turn your old Android smartphone into an Arduino screen with the RemoteXY app
Each component you add to your Arduino project increases its complexity and the opportunity for...
2 weeks ago
Each component you add to your Arduino project increases its complexity and the opportunity for mistakes. But most projects require some “auxiliary” hardware — components that you use to interact with the Arduino or to help it do the job you’re asking of it. Buttons and displays...
Old Vintage...
Two tiny 65816 DTV consoles
The 21st century direct-to-TV game console: a dirt-cheap toy dragging poor ports of cherished games...
6 months ago
The 21st century direct-to-TV game console: a dirt-cheap toy dragging poor ports of cherished games to a more downmarket age. If you couldn't afford the real device, your alternative was these inexpensive, inadequate facsimiles faithful only to one's gauzy recollection. As their...
Home on Erik...
What is your motivation?
I've been trying to learn Clojure. I keep telling people I meet that I really want to learn Clojure,...
over a year ago
I've been trying to learn Clojure. I keep telling people I meet that I really want to learn Clojure, but still every night I can't get myself to spend time with it. It's unclear if I really want to learn Clojure or just want to have learned Clojure?
Matt Mullenweg
GPL Clarification
A quick followup on my prior conversation with Theo. During that chat, I talked briefly about a...
2 months ago
A quick followup on my prior conversation with Theo. During that chat, I talked briefly about a trademark infringer that was also distributing nulled plugins. I said “Not illegal. Legal under the GPL. But they weren’t changing the names. They were selling their customers Pro...
Home on Erik...
What's up with music recommendations?
I just answered a Quora question about what, if any, are the differences in the algorithms that are...
over a year ago
I just answered a Quora question about what, if any, are the differences in the algorithms that are behind recommendations for music and movies.
Of course, every media type is different. For instance, there's fundamental reasons why latent factor models works really well for...
Ken Shirriff's blog
The Intel 8088 processor's instruction prefetch circuitry: a look inside
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor.
IBM's...
9 months ago
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor.
IBM's decision to use the 8088 processor in the IBM PC (1981) was a critical point in computer history,
leading to the dominance of the x86 architecture that continues to the present.1
One...
Louwrentius
Statistics showing relevance of caching proxy
In this day and age of dynamic web content, how relevant can a caching proxy server be? I believe...
over a year ago
In this day and age of dynamic web content, how relevant can a caching proxy server be? I believe that the answer could be: quite!
I have installed a caching proxy server based on Squid, which is now used within my company. It also does content scanning using squidclamav and...
Arduino Blog
Enjoy a perpetual solar eclipse with this machine
Total solar eclipses are rare — at least from the perspective of any specific point on the planet. A...
6 months ago
Total solar eclipses are rare — at least from the perspective of any specific point on the planet. A total eclipse will occur somewhere on Earth once every 18 months or so, but that is more likely to track across the middle of the Pacific Ocean than wherever you happen to be....
Style over Substance
Leitz Summicron 50mm f/2 rigid (type 2) lens
My newest lens acquisition wasn’t actually originally on my wishlist. I already had a 50mm Summicron...
over a year ago
My newest lens acquisition wasn’t actually originally on my wishlist. I already had a 50mm Summicron lens, though that was the first generation collapsible model known as a Type 1. This lens has lived on my Leica M3 permanently for the past few years, and I have enjoyed the hell...
Vitalik Buterin's...
The different types of ZK-EVMs
over a year ago
Azad's Blog
Apple Vision Pro—A Revolution for Home Video Formats
Apple has always been at the forefront of home video with Apple TV (the device), iTunes Movies,...
3 months ago
Apple has always been at the forefront of home video with Apple TV (the device), iTunes Movies, Spatial Audio, and the vivid displays of iPhones, iPads, and Mac displays. With Apple Vision Pro, Apple is once again pushing the boundaries of the movie watching experience by...
anderegg.ca
Jet Lag: The Game: The Game
Some fun news today from the creators of Jet Lag: The Game. They officially announced the next...
a month ago
Some fun news today from the creators of Jet Lag: The Game. They officially announced the next season, and also a “home version” of the game. I’ve written about Jet Lag: The Game before, so you might want to start there if you don’t know what I’m talking about.
On the latest...
Jonas Hietala
Christmas break
So school is on a break and I welcome it with all of my heart. The semester has been pretty fun and...
over a year ago
So school is on a break and I welcome it with all of my heart. The semester has been pretty fun and I really enjoy studying here. We had lisp the whole time which is a pretty sweet little language and if you haven’t, give it a shot. Then we had math and I do like math, although I...
Notes on software...
Interpreting Go
After spending some time at work on tooling for keeping documentation
in sync with Go struct...
over a year ago
After spending some time at work on tooling for keeping documentation
in sync with Go struct definitions I had enough exposure to Go's
built-in parsing package that next steps were clear: write an
interpreter. It's a great way to get more comfortable with a
language's
AST.
In...
./techtipsy
Oops, I published my drafts!
Those of you who follow my blog using the RSS feed might have seen that new, incomplete posts popped...
10 months ago
Those of you who follow my blog using the RSS feed might have seen that new, incomplete posts popped up around the time
I published my FOSDEM 2024 post.
Oops.
I recently tried looking for an alternative to writing blog posts in IntelliJ and out of all the options I stuck...
csvbase blog
Take the tools out of 'Data', but don't take the data out of the tools
Using dataframes to write smaller, faster programs
a year ago
Using dataframes to write smaller, faster programs
Jonas Hietala
October theme says: Numbers
New month and a new theme. As with the two previous games I’m following The Experimental Gameplay...
over a year ago
New month and a new theme. As with the two previous games I’m following The Experimental Gameplay Project theme which this month is numbers. What’s it gonna be? A sudoku game or something more… thrilling? I’ll see what I can do :)
Jonas Hietala
Trying and returning the Eight Sleep Pod 4
I recently bought the Eight Sleep Pod 4—a smart mattress cover that tracks your heart rate, HRV,...
3 months ago
I recently bought the Eight Sleep Pod 4—a smart mattress cover that tracks your heart rate, HRV, snoring, and cools or warms the mattress during the night.
There’s a lot to like about the mattress but in the end I opted to return it.
This post describes my experience with the Pod...
Arduino Blog
Galco goes Platinum! Welcome our newest SIPP
Founded in 1975 and headquartered in Madison Heights, Michigan, Galco is a leading e-commerce...
8 months ago
Founded in 1975 and headquartered in Madison Heights, Michigan, Galco is a leading e-commerce distributor that specializes in providing a wide range of industrial and commercial electrical and electronic products, focusing on maintenance, repair, and operations (MRO). Known for...
Jonas Hietala
addwatch: resource exhausted
While tampering with Hakyll and running site preview I stumbled upon this error message:
site:...
over a year ago
While tampering with Hakyll and running site preview I stumbled upon this error message:
site: addWatch: resource exhausted (No space left on device)
At first I tried to clear /tmp but, so clearly the device did have some space left. After a bit of googling I found a solution...
Louwrentius
Getting the Sitecom AC600 Wi-Fi adapter running on Linux
TL;DR Yes it works with some modifications of the driver source.
A USB Wi-Fi adapter I used with a...
over a year ago
TL;DR Yes it works with some modifications of the driver source.
A USB Wi-Fi adapter I used with a Raspberry Pi broke as I dropped it on the floor, so I had to replace it. I just went to a local shop and bought the Sitecom AC600 adapter as that's what they had available (with...
Louwrentius
Finding a good blu-ray player for Mac OS X
I find playing a Blu-ray movie on my Mac cumbersome. I've been using Plex, XBMC and VLC but these...
over a year ago
I find playing a Blu-ray movie on my Mac cumbersome. I've been using Plex, XBMC and VLC but these free open-source products are all a usability nightmare.
To play a Blu-ray movie, you have to perform these steps:
right-click on the BDMV file
choose 'show packet contents'
go to...
Buck on Software
Vertical Aggregation
I’ve written in the past that I think returns for SaaS won’t be as attractive over the next decade.
over a year ago
I’ve written in the past that I think returns for SaaS won’t be as attractive over the next decade.
Vitalik Buterin's...
The Revenue-Evil Curve: a different way to think about prioritizing public goods funding
over a year ago
Home on Erik...
Never attribute to stupidity that which is adequately explained by opportunity cost
Hanlon's razor is a classic aphorism I'm sure you have heard before: Never attribute to malice that...
over a year ago
Hanlon's razor is a classic aphorism I'm sure you have heard before: Never attribute to malice that which can be adequately explained by stupidity.
I've found that neither malice nor stupidity is the most common reason when you don't understand why something is in a certain way.
latest projects -...
Badge
[Hardware] A RISC-V LED matrix
a year ago
[Hardware] A RISC-V LED matrix
computers are bad
2024-07-20 minuteman missile communications
A programming note: I am looking at making some changes to how I host things
like Computers Are Bad...
5 months ago
A programming note: I am looking at making some changes to how I host things
like Computers Are Bad and wikimap that are going to
involve a lot more recurring expense. For that and other reasons, I want to see
if y'all would be willing to throw some money my way. If everyone...
Vitalik Buterin's...
Glue and coprocessor architectures
4 months ago
Home on Erik...
Headcount goals, feature factories, and when to hire those mythical 10x people
When I started building up a tech team for Better, I made a very conscious decision to pay at the...
over a year ago
When I started building up a tech team for Better, I made a very conscious decision to pay at the high end to get people. I thought this made more sense: they cost a bit more money to hire, but output usually more than compensates for it.
Louwrentius
Configuring SCST iSCSI target on Debian Linux (Wheezy)
My goal is to export ZFS zvol volumes through iSCSI to other machines. The platform I'm using is...
over a year ago
My goal is to export ZFS zvol volumes through iSCSI to other machines. The platform I'm using is Debian Wheezy.
There are three iSCSI target solutions available for Linux:
LIO
IET
SCST
I've briefly played with LIO but the targetcli tool is interactive only. If you want to...
Opsbros
Debug Header
After watching a livestream by UnexpectedMaker struggling to put probe pins on his Stepper Motor...
over a year ago
After watching a livestream by UnexpectedMaker struggling to put probe pins on his Stepper Motor driver connected to a Raspberry Pi, I thought a breakout header might help; so I whipped up this little board.
Home on Erik...
What's Erik up to?
I joined Better in early 2015 because I thought the team was crazy enough to actually change one of...
over a year ago
I joined Better in early 2015 because I thought the team was crazy enough to actually change one of the largest industries in the US. For six years, I ran the tech team, hiring 300+ people, probably doing 2,000+ interviews, and according to GitHub I added 646,941 lines of code...
anderegg.ca
Trying out GoodLinks
The weeks leading up to the holidays have been hectic. I’m behind on “internet stuff” since entering...
a week ago
The weeks leading up to the holidays have been hectic. I’m behind on “internet stuff” since entering Christmas-mode, and have been looking for a better way to capture things I want to look at later. I’ve had this issue before, but solved it in an ad-hoc way. Previously I’d made...
Engineers Need Art
VPX Scripting - Part 2 (Linting)
The second in a series of posts about scripting Visual Pinball tables.
8 months ago
The second in a series of posts about scripting Visual Pinball tables.
Gwern.net Newsletter
May 2021 Gwern.net Newsletter
links on AI hardware, diffusion models, optogenetics, brain scanning.
over a year ago
links on AI hardware, diffusion models, optogenetics, brain scanning.
Home on Erik...
Optimizing over multinomial distributions
Sometimes you have to maximize some function $$ f(w_1, w_2, ldots, w_n) $$ where $$ w_1 + w_2 +...
over a year ago
Sometimes you have to maximize some function $$ f(w_1, w_2, ldots, w_n) $$ where $$ w_1 + w_2 + ldots + w_n = 1 $$ and $$ 0 le w_i le 1 $$ . Usually, $$ f $$ is concave and differentiable, so there's one unique global maximum and you can solve it by applying gradient ascent.
seangoedecke.com RSS...
Talking to ChatGPT costs 5ml of water, not 500ml
There’s a common claim on the internet that ChatGPT consumes half a litre of water for every 5-50...
2 months ago
There’s a common claim on the internet that ChatGPT consumes half a litre of water for every 5-50 responses. Here are some randomly-chosen…
Notes on software...
What's the big deal about Deterministic Simulation Testing?
Bugs in distributed systems are hard to find, largely because systems
interact in chaotic ways. And...
4 months ago
Bugs in distributed systems are hard to find, largely because systems
interact in chaotic ways. And even once you've found a bug, it can be
anywhere from simple to impossible to reproduce it. It's about as far
away as you can get from the ideal test environment: property...
Jonas Hietala
Ludum Dare 22 Timelapse
Here’s the timelapse for my entry to Ludum Dare 22,...
over a year ago
Here’s the timelapse for my entry to Ludum Dare 22, Sat-E.
https://www.youtube.com/watch?v=eoKDyhxCVm0
This time I managed to record one screen every minute, which is very suboptimal to say the least but I slowed it down a bit so you can at least see something being done there.
Notes on software...
btest: a language agnostic test runner
btest is a minimal,
language-agnostic test runner originally written for testing
compilers. Brian,...
over a year ago
btest is a minimal,
language-agnostic test runner originally written for testing
compilers. Brian, an ex- co-worker from Linode, wrote the first
implementation in Crystal (a compiled
language clone of Ruby) for testing
bshift, a compiler
project. The tool accomplished exactly...
./techtipsy
Disk is OK
Maybe I am unlucky with computer hardware.
Maybe I have the opposite of the golden touch of...
over a year ago
Maybe I am unlucky with computer hardware.
Maybe I have the opposite of the golden touch of Midas.
Or maybe it’s just the fact that I use my hardware for things they were never meant to be used for.
Anyway, I have acquired two Seagate 4TB external hard drives for doing some...
Ken Shirriff's blog
Reverse engineering CMOS, illustrated with a vintage Soviet counter chip
I recently came across an interesting die photo of a Soviet1 chip, probably designed in the...
11 months ago
I recently came across an interesting die photo of a Soviet1 chip, probably designed in the 1970s.
This article provides an introductory guide to reverse-engineering CMOS circuits, using this chip as an
example.
Although the chip looks like a tangle of lines at first,
its large...
Home on Erik...
Annoy 1.10 released, with Hamming distance and Windows support
I've been a bit bad at posting things with a regular cadence lately, partly because I'm trying to...
over a year ago
I've been a bit bad at posting things with a regular cadence lately, partly because I'm trying to adjust to having a toddler, partly because the hunt for clicks has caused such a high bar for me that I feel like I have to post something Pulitzer-worthy.
Home on Erik...
Domains for sale
Contact me at mail at erik bern dot com!
over a year ago
Contact me at mail at erik bern dot com!
somenice
Gold and Ghosts
In the autumn of 1892, two miners, Earl and Edward, found themselves high in the Pacific Northwest...
2 months ago
In the autumn of 1892, two miners, Earl and Edward, found themselves high in the Pacific Northwest mountains, searching for a legend as old as the hills: the lost crate of gold. The tale of “Shining Creek Gold” was whispered in every saloon from Seattle to San Francisco, a cache...
Vitalik Buterin's...
Possible futures of the Ethereum protocol, part 6: The Splurge
2 months ago
Louwrentius
Why I Do Use ZFS as a File System for My NAS
On February 2011, I posted an article about my motivations why I did not use ZFS as a file system...
over a year ago
On February 2011, I posted an article about my motivations why I did not use ZFS as a file system for my 18 TB NAS.
You have to understand that at the time, I believe the arguments in the article were relevant, but much has changed since then, and I do believe this article is...
Arduino Blog
Meet the CapibaraZero, a multifunctional security and hacking tool based on the Nano ESP32
In recent years, tools such as the FlipperZero have become quite popular amongst hobbyists and...
a month ago
In recent years, tools such as the FlipperZero have become quite popular amongst hobbyists and security professionals alike for their small size and wide array of hacking tools. Inspired by the functionality of the FlipperZero, Project Hub user ‘andreockx’ created a similar...
Willem's Blog
Optimising images for the web and performance
Make your website faster by optimising the images. This posts explains how you can do this.
over a year ago
Make your website faster by optimising the images. This posts explains how you can do this.
Jonas Hietala
The Coinparty hackathon, take two
In December I declared that I would enter a Bitcoin Cash hackathon and I was excited to give my...
over a year ago
In December I declared that I would enter a Bitcoin Cash hackathon and I was excited to give my procrastination a kick in the balls. Unfortunately the hackathon was postponed to January just an hour later. Maybe the organizers didn’t think my project was exciting enough or...
Bryan Braun - Blog
Capability makes your life simpler
If you can tolerate discomfort, then you can camp much lighter. Camping lighter means you spend less...
5 months ago
If you can tolerate discomfort, then you can camp much lighter. Camping lighter means you spend less time and energy packing, setting-up, tearing down, and unpacking. The same goes for travel. Fewer clothes and shoes means less luggage to carry, manage, and lose. You can board...
Notes on software...
A write-ahead log is not a universal part of durability
A database does not need a write-ahead log (WAL) to achieve
durability. A database can write its...
6 months ago
A database does not need a write-ahead log (WAL) to achieve
durability. A database can write its long-term data structure durably
to disk before returning to a client. Granted, this is a bad idea! And
granted, a WAL is critical for durability by design in most
databases. But I...
Home on Erik...
Deep learning for… Go
This is the last post about deep learning for chess/go/whatever. But this really cool paper by...
over a year ago
This is the last post about deep learning for chess/go/whatever. But this really cool paper by Christopher Clark and Amos Storkey was forwarded to me by Michael Eickenberg. It's about using convolutional neural networks to play Go.
Jonas Hietala
Let's build a VORON: Noise
The build is going well and the printer is printing tons of random stuff and I’m generally in awe of...
10 months ago
The build is going well and the printer is printing tons of random stuff and I’m generally in awe of how cool the printer is.
But there’s one thing that sucks: it’s damn loud.
I knew that it wouldn’t be silent, but I wasn’t prepared for this kind of noise.
Silent controller...
Vitalik Buterin's...
Travel time ~= 750 * distance ^ 0.6
a year ago
Home on Erik...
I already found the best gifs
Just search for “hackers gif“.
There you go. Fun for your work emails for the next 500 years. From...
over a year ago
Just search for “hackers gif“.
There you go. Fun for your work emails for the next 500 years. From the awesome movie Hackers. That movie together with The Warriors convinced me that I wanted to live in NYC when I was like… 14 years old.
seangoedecke.com RSS...
Glue work considered harmful
“Glue work” is an concept Tanya Reilly came up with in 2019. The idea is that there’s a large amount...
2 weeks ago
“Glue work” is an concept Tanya Reilly came up with in 2019. The idea is that there’s a large amount of unglamorous work that every team…
Louwrentius
Release of PPSS - the Parallel Processing Shell Script
PPSS is a shell script that processess files or other items in parallel. It is
designed to make use...
over a year ago
PPSS is a shell script that processess files or other items in parallel. It is
designed to make use of the current multi-core CPUs. It will detect the number
of available CPUs and start a thread for each CPU core.
This script is build with the goal to be very easy to use. Also,...
Vitalik Buterin's...
Convex and Concave Dispositions
over a year ago
Posts on Made of...
A Brief Introduction to termios: Signaling and Job Control
(This is part three of a multi-part introduction to termios and terminal emulation on UNIX. Read...
over a year ago
(This is part three of a multi-part introduction to termios and terminal emulation on UNIX. Read part 1 or part 2 if you’re new here)
For my final entry on termios, I will be looking at job control in the shell (i.e. backgrounding and foreground jobs) and the very closely related...
Odds and Ends of...
Nobody knows what the National Data Library is (not even the government)
A policy wrapped in a mystery inside an enigma
2 months ago
A policy wrapped in a mystery inside an enigma
Arduino Blog
This 3D-printed robotic arm can be built with just a few inexpensive components
Robotics is already an intimidating field, thanks to the complexity involved. And the cost of parts,...
3 months ago
Robotics is already an intimidating field, thanks to the complexity involved. And the cost of parts, such as actuators, only increases that feeling of inaccessibility. But as FABRI Creator shows in their most recent video, you can build a useful robotic arm with just a handful of...
Posts on Made of...
Conkeror
I’ve recently switched to Conkeror as my primary browser. It started life as a Firefox extension,...
over a year ago
I’ve recently switched to Conkeror as my primary browser. It started life as a Firefox extension, but nowadays it’s a standalone app built on top of Mozilla’s xulrunner, so it uses the Gecko rendering engine.
What it is, is an emacs implemented in Javascript, for the web. This...
Christian Selig
Announcing Juno 2.0
Juno’s been a really fun project to build, and it’s been so great hearing how other people have been...
8 months ago
Juno’s been a really fun project to build, and it’s been so great hearing how other people have been enjoying Juno since its launch, as well as providing awesome feedback and input to improve it.
Today I’m releasing Juno 2.0, which incorporates a ton of that community feedback,...
Notes on software...
Writing a SQL database from scratch in Go: 3. indexes
Previously in database basics:
1. SELECT, INSERT, CREATE and a REPL
2. binary expressions...
over a year ago
Previously in database basics:
1. SELECT, INSERT, CREATE and a REPL
2. binary expressions and WHERE filters
4. a database/sql driver
In this post, we extend gosql
to support indexes. We focus on the addition of PRIMARY
KEY constraints on table creation and some easy...
Applied Cartography
Notes from April
Welcome to spring, bona fide and humid. Lots of writing this month:
I wrote about spending the past...
8 months ago
Welcome to spring, bona fide and humid. Lots of writing this month:
I wrote about spending the past two years as an independent technologist.
On the media side of things: brief words on Murderville (meh), The Parallax View (incredible), This is Personal (meh), Cribsheet...
Posts on Made of...
On git and usability
I’ve been helping a number of people get started working with git over the last couple of weeks, as...
over a year ago
I’ve been helping a number of people get started working with git over the last couple of weeks, as Ksplice has brought on some new interns, and we’ve had to get them up to speed on our internal git repositories. (As you might expect from a bunch of kernel hackers, we use git for...
Home on Erik...
Software infrastructure 2.0: a wishlist
Software infrastructure (by which I include everything ending with *aaS, or anything remotely...
over a year ago
Software infrastructure (by which I include everything ending with *aaS, or anything remotely similar to it) is an exciting field, in particular because (despite what the neo-luddites may say) it keeps getting better every year! I love working with something that moves so...
Louwrentius
'Linux: show graphical layout of disk temperatures'
graphic, representation
To get a visual representation of hard drive temperatures, I wrote a...
over a year ago
graphic, representation
To get a visual representation of hard drive temperatures, I wrote a small
script. The output of this script looks like this:
This output is tailored to the exact disk lay-out of my storage
server. However, it is also usable for other servers. You have to...
Vitalik Buterin's...
Against overuse of the Gini coefficient
over a year ago
Home on Erik...
Where do locals go in NYC?
One obvious thing to anyone living in NYC is how tourists cluster in certain areas. I was curious...
over a year ago
One obvious thing to anyone living in NYC is how tourists cluster in certain areas. I was curious about the larger patterns around this, so I spent some time looking at data. The thing I wanted to understand is: what areas are dominated by tourists?
./techtipsy
techtipsy, now hosted on k-space!
This site is now hosted on infrastructure provided by k-space, a friendly hackerspace in Tallinn,...
a year ago
This site is now hosted on infrastructure provided by k-space, a friendly hackerspace in Tallinn, Estonia.
If you’ve been reading any of my previous posts, you might be wondering why I made that move, especially since I was
quite proud of hosting my website over a residential...
Engineers Need Art
Soft Dorothy Software — Shareware Projects
Wherein I attempt to recover and restore old shareware code and program again like it's 1989.
4 months ago
Wherein I attempt to recover and restore old shareware code and program again like it's 1989.
Louwrentius
Do not buy a hardware RAID controller for home use
Hardware RAID controllers are considered 'the best' solution for high
performance and high...
over a year ago
Hardware RAID controllers are considered 'the best' solution for high
performance and high availability. However, this is not entirely true. Using a
hardware RAID controller might even endanger your precious data.
For enterprise environments, where performance is critical, it is...
Arduino Blog
Hey Google! Meet Arduino Cloud
We’re excited to announce that the Arduino Cloud now supports Google Home™! This means you can now...
7 months ago
We’re excited to announce that the Arduino Cloud now supports Google Home™! This means you can now interact with your devices, simply through your Google Home Assistant: use voice commands, the Google Home app, or create new routines integrating Arduino solutions. This new...
Old Vintage...
So long, Z80
You can still buy 6502s from Western Design Center and others, but Zilog's getting out of Z80s...
8 months ago
You can still buy 6502s from Western Design Center and others, but Zilog's getting out of Z80s (PDF), announcing earlier this week that after June 14th you won't be able to buy them anymore (specifically the last-part-standing Z84C00 which comes in various speeds from 6-20 MHz)...
Home on Erik...
Luigi conquering the world
I keep forgetting to buy a costume for Halloween every year, so this year I prepared and got myself...
over a year ago
I keep forgetting to buy a costume for Halloween every year, so this year I prepared and got myself a Luigi costume a month in advance. Only to realize I was going to be out of town the whole weekend.
Vitalik Buterin's...
Quadratic Payments: A Primer
over a year ago
Jonas Hietala
10 Games in 10 Languages
For school we have this programming course for Java. It isn’t anything special really and it would...
over a year ago
For school we have this programming course for Java. It isn’t anything special really and it would be really boring if I don’t like to program, it almost is anyway, if it weren’t for the fact that we’re to create a game! Just any game will do and we’re in a group of two and we...
Arduino Blog
Check out these Arduino-powered research projects from CHI 2024
Held in Hawaii this year, the Association of Computing Machinery (ACM) hosted its annual conference...
7 months ago
Held in Hawaii this year, the Association of Computing Machinery (ACM) hosted its annual conference on Human Factors in Computing Systems (CHI) that focuses on the latest developments in human-computer interaction. Students from universities all across the world attended the...
Neil Madden
From KEMs to protocols
This is the third part of my series on Key Encapsulation Mechanisms (KEMs) and why you should care...
over a year ago
This is the third part of my series on Key Encapsulation Mechanisms (KEMs) and why you should care about them. Part 1 looked at what a KEM is and the KEM/DEM paradigm for constructing public key encryption schemes. Part 2 looked at cases where the basic KEM abstraction is not...
On Life and Lisp
The first conformant M1 GPU driver
Conformant OpenGL® ES 3.1 drivers are now available for M1- and
M2-family GPUs. That means the...
a year ago
Conformant OpenGL® ES 3.1 drivers are now available for M1- and
M2-family GPUs. That means the drivers are compatible with any OpenGL ES
3.1 application. Interested? Just install Linux!
For existing Asahi Linux users,
upgrade your system with dnf
upgrade (Fedora) or pacman
-Syu...
Willem's Blog
Escaping the flat tires
Finding the answer to the question how resilient a puncture-proof tire really is took me quite some...
over a year ago
Finding the answer to the question how resilient a puncture-proof tire really is took me quite some time, but alas - here it is!
Ken Shirriff's blog
Two interesting XOR circuits inside the Intel 386 processor
Intel's 386 processor (1985) was an important advance in the x86 architecture, not only moving to a...
a year ago
Intel's 386 processor (1985) was an important advance in the x86 architecture, not only moving to a 32-bit processor but also switching to a CMOS implementation.
I've been reverse-engineering parts of the 386 chip and came across two interesting and completely different
circuits...
Matt Blewitt
Riding the Risk Railway
When building and operating a user-facing system, especially one that is open to the public, it is...
over a year ago
When building and operating a user-facing system, especially one that is open to the public, it is important to consider the riskiness of a user, which can also be characterised as trustworthiness. These will typically be negatively correlated, with low trust indicating high risk...
Computer Ads from...
Plus Post: Objects, Inc's Layout
Build Programs Without Programming
11 months ago
Build Programs Without Programming
axio.ms
32-bit hat, with LEDs
Built in November 2015 (now-traditional multi-year writeup delay applied)
A hat,...
over a year ago
Built in November 2015 (now-traditional multi-year writeup delay applied)
A hat, bejewelled with 38 RGB LEDs
Is this thing on..? It’s been a while since I’ve written one of these.
So, the hat. It’s been on the writeup pile for almost 6 years, nagging away. Finally...
Home on Erik...
Functional programming is the libertarianism of software engineering
This is a pretty dumb post, in which I argue that functional programming has a lot of the bad parts...
over a year ago
This is a pretty dumb post, in which I argue that functional programming has a lot of the bad parts of libertarianism and a lot of the good parts:
Both ideologies strive to eliminate [the] state.
anderegg.ca
My 2024 Upgradies Picks
The latest instalment of The Upgradies is coming soon from our friends at the Upgrade podcast. I...
a month ago
The latest instalment of The Upgradies is coming soon from our friends at the Upgrade podcast. I submitted my recommendations earlier today, and thought it would be fun to share my picks.
Best Overall iOS App
Bear
I once again don’t have a new app for this category, but Bear has...
Posts on Made of...
Measuring Capacity Through Utilization
(This post is cross-posted from Honeycomb’s instrumentation series).
One of my favorite concepts...
over a year ago
(This post is cross-posted from Honeycomb’s instrumentation series).
One of my favorite concepts when thinking about instrumenting a system to understand its overall performance and capacity is what I call “time utilization”.
By this I mean: If you look at the behavior of a...
Posts on Made of...
Indices point between elements
If you’re familiar with nearly any mainstream programming language, and I asked you to draw a...
over a year ago
If you’re familiar with nearly any mainstream programming language, and I asked you to draw a diagram of an array, the array indices, and the array elements, odds are good you’d produce a diagram something like this:
In this post, I want to persuade you to replace that image, or,...
Willem's Blog
Snake '97 High Scores
Happily accepting the invitation to attend an exhibition of Snake 97 art works in Antwerp. This was...
over a year ago
Happily accepting the invitation to attend an exhibition of Snake 97 art works in Antwerp. This was totally WOW!
Jonas Hietala
Rewriting my Neovim config in Lua
This screenshot betrays just how much productive time was wasted setting this up.
I’ve got tons of...
a year ago
This screenshot betrays just how much productive time was wasted setting this up.
I’ve got tons of things to do; clean the bathrooms, prototype an idea for a SaaS and ponder world peace.
So naturally the procrastination took over and I rewrote my Neovim configuration in...
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