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Arduino Blog
Discover #Virgil: history comes to life with Arduino We’re excited to introduce #Virgil, an innovative project that combines the power of Arduino...
a week ago
7
a week ago
We’re excited to introduce #Virgil, an innovative project that combines the power of Arduino technology with a passion for history, creating a groundbreaking interactive experience for museums.  Using Arduino’s versatile and scalable ecosystem, #Virgil operates completely...
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
45
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...
Old Vintage...
MacLynx beta 5: UTF-8, pull-down menus and more dialogue boxes, oh my! I've been working off and on doing further Mac-ification to my updated fork of MacLynx, the System...
a year ago
51
a year ago
I've been working off and on doing further Mac-ification to my updated fork of MacLynx, the System 7-compatible port of the venerable text browser Lynx for classic 68K Macintoshes (and Power Macs) running A/UX 3.x or System 7.x and later. There's still more to do, but a lot has...
Old Vintage...
Refurb weekend: the Symbolics MacIvory Lisp machine I have hated Every collector has that machine, the machine they sunk so much time and, often, money into that...
2 weeks ago
14
2 weeks ago
Every collector has that machine, the machine they sunk so much time and, often, money into that they would have defenestrated it years ago except for all the aforementioned time and money. Yours truly is no exception. a future article.) They existed in highly technical...
Computer Ads from...
Ampere WS-1 A cool Japanese clamtop
7 months ago
Computer Ads from...
Small Systems Engineering's PETSPEED Fast Enough for the Human Race
3 months ago
./techtipsy
My cat water fountain comes with a spicy USB power adapter It turns out that you can’t trust any USB type A power adapter to be within spec. I have a Catit...
10 months ago
64
10 months ago
It turns out that you can’t trust any USB type A power adapter to be within spec. I have a Catit Flower Fountain for my two adorable cats. The idea of a water fountain for cats may sound odd, but having one really helps with cats staying hydrated and that alone avoids all sorts...
Engineers Need Art
VPX Scripting - Part 2 (Linting) The second in a series of posts about scripting Visual Pinball tables.
6 months ago
Arduino Blog
This machine automatically creates chain art Art is very personal and we often consider the process of creation itself when evaluating the...
3 months ago
28
3 months ago
Art is very personal and we often consider the process of creation itself when evaluating the resulting piece. Does a sculpture have more artistic value when molded by human hands rather than a 3D printer? Most would say that it does. But what if the automation was, itself, part...
computers are bad
2023-12-05 vhf omnidirectional range The term "VHF omnidirectional range" can at first be confusing, because it includes "range"---a...
11 months ago
64
11 months ago
The term "VHF omnidirectional range" can at first be confusing, because it includes "range"---a measurement that the technology does not provide. The answer to this conundrum is, as is so often the case, history. The "range" refers not to the radio equipment but to the space...
Abort Retry Fail
Housekeeping for 20240701 Another correction
4 months ago
./techtipsy
My attempt at archiving nfscars.net Background My mother once had a laptop: the Compaq Armada 1592DT. It came with Windows ME which...
over a year ago
20
over a year ago
Background My mother once had a laptop: the Compaq Armada 1592DT. It came with Windows ME which later got “upgraded” to Windows 98 SE after I managed to completely screw up the OS, a whopping 96MB of RAM and a hard drive that probably wasn’t much larger than 1-3GB. It wasn’t...
./techtipsy
I tried out the CyberPower UT650EG UPS After some spicy feedback to my post where a ThinkPad T430 acted as a server, I decided to try out...
over a year ago
33
over a year ago
After some spicy feedback to my post where a ThinkPad T430 acted as a server, I decided to try out one UPS that was recommended on the basis of it being much more power efficient compared to the APC UPS that I previously ran. That UPS? CyberPower UT650EG. Why switch out a...
Style over Substance
How to build your own Goodman ZONE camera, part 2 The Goodman ZONE is a medium-format 3D-printed film camera designed by Dora Goodman as part of her...
over a year ago
47
over a year ago
The Goodman ZONE is a medium-format 3D-printed film camera designed by Dora Goodman as part of her range of open-source camera models, using the existing Mamiya Press lens series for glass and the Mamiya RB67 backs to hold film. She sells pre-printed kits that contain all the...
./techtipsy
VR, VFIO and how latency ruined everything I’ve been running my all-in-one PC for a while now. It was my desktop, my NAS and my gaming...
over a year ago
33
over a year ago
I’ve been running my all-in-one PC for a while now. It was my desktop, my NAS and my gaming PC. However, during the next couple of months I kept hitting small bumps along the road. Most of these were quite straightforward to fix, but there is one that finally convinced me to go...
Christian Selig
Apollo for Reddit 1.9 Apollo 1.9’s a massive update to Apollo that’s taken months and months to complete, but I’m really...
over a year ago
22
over a year ago
Apollo 1.9’s a massive update to Apollo that’s taken months and months to complete, but I’m really happy with the result, and it brings together a ton of ideas from the community to make Apollo even nicer to use. The update includes a variety of features around crossposts, flair,...
Arduino Blog
The web-based Arduino Lab for MicroPython Editor is out! With Chromebook support to code Alvik and... We’re excited to announce the release of the web-based version of the Arduino Lab for MicroPython...
3 days ago
3
3 days ago
We’re excited to announce the release of the web-based version of the Arduino Lab for MicroPython Editor. This lightweight platform makes it even easier to code with MicroPython using Arduino hardware such as Alvik, Nano ESP32, Nano RP2040 Connect, Nano 33 BLE Sense – and more!...
Computer Ads from...
EPYX's Pitstop Where Winning is the Pits.
4 months ago
Arduino Blog
This ‘smocking display’ adds data physicalization to clothing Elastic use in the textile industry is relatively recent. So, what did garment makers do before...
3 months ago
46
3 months ago
Elastic use in the textile industry is relatively recent. So, what did garment makers do before elastic came along? They relied on smocking, which is a technique for bunching up fabric so that it can stretch to better fit the form of a body. Now a team of computer science...
Arduino Blog
An Arduino-powered robotic ukulele that plays itself The ukulele has a bit of a reputation for being quaint, but it is a legitimate instrument like any...
2 months ago
35
2 months ago
The ukulele has a bit of a reputation for being quaint, but it is a legitimate instrument like any other and that means it takes a lot of practice to play competently. Zeroshot is too busy building cool stuff to bother with all of that, so he put his skills to use constructing...
Abort Retry Fail
The History of Commodore, Part 2 The VIC-20
12 months ago
computers are bad
2023-03-24 docker Lately I tend to stick to topics that are historic by at least twenty years, and that does have a...
a year ago
50
a year ago
Lately I tend to stick to topics that are historic by at least twenty years, and that does have a lot of advantages. But I am supposedly a DevOps professional, and so I will occasionally indulge in giving DevOps advice... or at least opinions, which are sort of like advice but...
Old Vintage...
The Living Computers Museum finally isn't First off, apologies for a quiet month as I've been dealing with family matters which hopefully are...
4 months ago
57
4 months ago
First off, apologies for a quiet month as I've been dealing with family matters which hopefully are now on a better footing (more articles are in the hopper). Unfortunately, the same apparently can't be said for the once-great Living Computers Museum + Labs in Seattle,...
Computer Ads from...
Plus Post: Objects, Inc's Layout Build Programs Without Programming
9 months ago
computers are bad
2023-10-09 prolific counterfeiting I'm working on a side project right now, one of several, which involves telematics devices...
a year ago
63
a year ago
I'm working on a side project right now, one of several, which involves telematics devices (essentially GPS trackers with i/o) from a fairly reputable Chinese manufacturer. The device is endlessly configurable and so, like you see with a lot of radios, it has a UART for...
Computer Ads from...
Vote for the Topic of the March 2024 Plus Post If you are a paid subscriber, voting is open for one week
7 months ago
Computer Ads from...
Apple IIe and IIc Design Manager Peter Quinn Interviewed by BYTE's Gregg Williams A behind-the-scenes look at the development of the Apple IIe and IIc.
8 months ago
./techtipsy
Control - how to make a game enjoyable for casual audiences I’ve decided to intentionally take more time to play video games this year, since it’s a relatively...
11 months ago
87
11 months ago
I’ve decided to intentionally take more time to play video games this year, since it’s a relatively healthy way to escape from the real world once in a while. A friend recommended one game in particular: Control: Ultimate Edition. During the Steam summer sale of 2023, I went...
Computer Ads from...
Comics from 1982/08 Commodore Computing International Mag Time for some humor
3 months ago
Computer Ads from...
Flash Sale and a Slight Change to Subscriptions Time for a little business
a month ago
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...
4 months ago
29
4 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...
Abort Retry Fail
The History of Slackware The Oldest Surviving Linux Distribution
a year ago
./techtipsy
Stupid project ideas: the War Machine LinusTechTips has some pretty great videos about building insane PC and server setups, such...
over a year ago
21
over a year ago
LinusTechTips has some pretty great videos about building insane PC and server setups, such as: unboxing and deploying petabytes of storage 7 gamers, 1 CPU building sleeper PC-s testing sketchy CPU-s opening up a 100TB SSD I have the ideas, but not the budget of LinusTechTips, so...
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...
4 months ago
29
4 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,...
./techtipsy
My trip to the Communication and Laptop Museum in Estonia While on vacation I went on a small road-trip across Estonia. During the second half of the trip I...
a year ago
58
a year ago
While on vacation I went on a small road-trip across Estonia. During the second half of the trip I ended up being in Võrumaa, and while driving I suddenly remembered a random fact that some people mentioned in a hackerspace Slack channel: there’s a new museum around here! The...
./techtipsy
ThinkPad as a server: the follow-up It’s been a while since I last wrote about my ThinkPad T430 that was tasked with being a home...
a year ago
45
a year ago
It’s been a while since I last wrote about my ThinkPad T430 that was tasked with being a home server. After doing some experiments with my setup a couple of times, it is once again the main server for all my self-hosting needs. However, this time I have made some...
Electronics etc…
Increasing Frequency Counter Precision with Linear Regression MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [...
a year ago
52
a year ago
MathJax.Hub.Config({ jax: ["input/TeX", "output/HTML-CSS"], tex2jax: { inlineMath: [ ['$', '$'], ["\\(", "\\)"] ], displayMath: [ ['$$', '$$'], ["\\[", "\\]"] ], processEscapes: true, skipTags: ['script', 'noscript', 'style', 'textarea', 'pre',...
Old Vintage...
Thou shalt follow these Vintage Computing Commandments Thou shalt check voltage and polarity on new-to-thee power supplies, or thy machines shall be smote...
9 months ago
55
9 months ago
Thou shalt check voltage and polarity on new-to-thee power supplies, or thy machines shall be smote and release smoke. This is sometimes very hard to judge without a load, but they should be somewhere in the ballpark, verily, and you should get in the habit of checking any new...
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...
4 months ago
33
4 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....
Arduino Blog
Easily add Python-controlled GPIO pins to any computer Let’s say that, hypothetically, you wanted to use your computer to blink an LED or read the state of...
4 months ago
40
4 months ago
Let’s say that, hypothetically, you wanted to use your computer to blink an LED or read the state of a button. Could you? Almost certainly not — at least not without additional hardware. Most modern computers don’t provide any interface for direct interaction with low-level...
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
50
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...
./techtipsy
How to take down production with a single Helm command You’re Cletus Kubernetus: a software developer, and a proud Fedora Linux user.1 You know Kubernetes,...
7 months ago
87
7 months ago
You’re Cletus Kubernetus: a software developer, and a proud Fedora Linux user.1 You know Kubernetes, especially after the time you migrated some services to it. Everything is calm. Your pods are running. Your service is up. Business as usual. You release some minor changes to...
Computer Ads from...
Creative Computer Publishes Interview with the Guy Behind the Death Star Trench Run (1978) An Interview With Star Wars Animator Larry Cuba
6 months ago
./techtipsy
Zimaboard: the closest thing to my dream home server setup I stumbled upon this Hardware Haven video about the Zimaboard recently. I liked it a lot. I finally...
a year ago
76
a year ago
I stumbled upon this Hardware Haven video about the Zimaboard recently. I liked it a lot. I finally bought one. In short, Zimaboard is a small single-board computer that is relatively affordable and comes with an interesting selection of ports, which includes an exposed PCI...
Computer Ads from...
Sundial Systems' Relish The Premier Workplace Shell Calendar, Phone Book, To Do List, and Program Runner, too
a month ago
Style over Substance
Guy’s Cool Tools This is a placeholder post! I’m a huge fan of Kevin Kelly’s Cool Tools site and have loved their...
over a year ago
73
over a year ago
This is a placeholder post! I’m a huge fan of Kevin Kelly’s Cool Tools site and have loved their recommendations for years. So much, so that I even started a Pinterest board filled with my own recommendations. But after a few years of running into the limitations of the form, I...
Old Vintage...
Refurb weekend: Data General/One (and the worst LCD in the world) I mentioned earlier that while I prefer specializing in non-x86 laptops, that doesn't mean I don't...
7 months ago
62
7 months ago
I mentioned earlier that while I prefer specializing in non-x86 laptops, that doesn't mean I don't collect interesting or unusual x86 laptops, like the Brother GeoBook NB-60 (I finally tracked down a mostly working NB-80C, the top of the line model, which will be the subject of a...
Computer Ads from...
OS-9 Bonus Content A detailed look at OS-9 for Tandy Color Computers
2 months ago
./techtipsy
Trying out VR on an AMD Ryzen 4000 series APU You may know that I really like small, efficient APU-based builds. At this point in time, they’re so...
over a year ago
31
over a year ago
You may know that I really like small, efficient APU-based builds. At this point in time, they’re so close to being a viable mainstream option for gaming, especially the Ryzen 6000-series mobile APU-s. Forza Horizon 5, at 1080p high settings? Yes, they’re that good. I don’t have...
./techtipsy
Accidentally turning the ASRock DeskMini X300 into a semi-passively cooled PC After playing around with fan curves on my ASRock DeskMini X300 based home server, I noticed one...
over a year ago
28
over a year ago
After playing around with fan curves on my ASRock DeskMini X300 based home server, I noticed one interesting thing. At least it was interesting to me. Background I had one goal: to try to see if I could turn it into a semi-passive PC by only turning the fan on when the PC was...
./techtipsy
I held a talk about my self-hosting adventure! There are two reasons why I haven’t written much lately, and one of them is that I was cooking up...
a year ago
50
a year ago
There are two reasons why I haven’t written much lately, and one of them is that I was cooking up a talk about self-hosting, more specifically my own self-hosting adventure (the other one is the Steam Deck, more about that in the future). The talk took place on May 25th 2023 at...
Arduino Blog
Arduino CLI 1.0 is out! We are excited to share some incredible news with you all! We recently released the Arduino CLI...
a month ago
10
a month ago
We are excited to share some incredible news with you all! We recently released the Arduino CLI version 1.0.0, marking a significant milestone for our software. This release is a big deal because it signifies the stabilization of the software API, bringing greater reliability and...
Christian Selig
My little Apple Vision Pro stand I want somewhere to put my Vision Pro when not in use. Many people use the original box, and there’s...
8 months ago
64
8 months ago
I want somewhere to put my Vision Pro when not in use. Many people use the original box, and there’s beautiful stands that exist out there, but I was looking for something more compact and vertical so it would take up less room on my desk. So I opened Fusion 360 (which I am still...
./techtipsy
Fairphone 5: my heavily biased overview after 58 days of use (and counting) After months of contemplating I finally pulled the trigger and got myself a Fairphone 5. The...
7 months ago
88
7 months ago
After months of contemplating I finally pulled the trigger and got myself a Fairphone 5. The fact that iPhone X stopped receiving major iOS updates certainly helped make that decision. “But why? My Xiaomi/Oneplus/Samsung/other glued-together device is like so much cheaper and...
Old Vintage...
The W65C265SXB gets a SXY case Don't worry — my favourite single-board computer remains the 6502-based classic MOS/Commodore KIM-1,...
a year ago
50
a year ago
Don't worry — my favourite single-board computer remains the 6502-based classic MOS/Commodore KIM-1, and I've got some future projects in the works. But these were recently on sale on Amazon and I couldn't resist getting a little sort-of RPi-sized SBC that runs the 16-bit 65816,...
computers are bad
2023-11-25 the curse of docker I'm heading to Las Vegas for re:invent soon, perhaps the most boring type of industry extravaganza...
11 months ago
61
11 months ago
I'm heading to Las Vegas for re:invent soon, perhaps the most boring type of industry extravaganza there could be. In that spirit, I thought I would write something quick and oddly professional: I'm going to complain about Docker. Packaging software is one of those fundamental...
Christian Selig
Introducing Tiny Storage: a small, lightweight UserDefaults replacement Hey I'm a developer not an artist Following my last blog post about difficulties surrounding...
3 weeks ago
22
3 weeks ago
Hey I'm a developer not an artist Following my last blog post about difficulties surrounding UserDefaults and edge cases that lead to data loss (give it a read if you haven’t, it’s an important precursor to this post!), I wanted to build something small and lightweight that...
Style over Substance
Our favorite places to eat and drinks during our Portugal vacation In the summer of 2023, we went on an amazing trip through Portugal. We’d already visited Lisbon on a...
5 months ago
76
5 months ago
In the summer of 2023, we went on an amazing trip through Portugal. We’d already visited Lisbon on a short city trip a few years earlier, and that experience was so good we knew we had to return. This time, we decided to take a full three weeks and see the sights. We were...
Christian Selig
First on New Blog Converted the blog over to a new Hugo theme! Hopefully everything here sorta works. Test post will...
a year ago
41
a year ago
Converted the blog over to a new Hugo theme! Hopefully everything here sorta works. Test post will remove. This goat’s name is apparently Gubgub, and very cute.
./techtipsy
How to save an old printer from the e-waste pile with a Raspberry Pi A family member has a Canon PIXMA MP250 printer, originally released in 2009. It has been a very...
4 months ago
59
4 months ago
A family member has a Canon PIXMA MP250 printer, originally released in 2009. It has been a very reliable piece of hardware, especially for a printer. Then came Windows 10. The printer would not work out of the box with it and the official drivers got stuck during installation....
Arduino Blog
How to customize your Arduino Cloud IoT dashboards on the go The Arduino Cloud has long been a trusted platform for makers, engineers, and developers to manage...
a week ago
6
a week ago
The Arduino Cloud has long been a trusted platform for makers, engineers, and developers to manage their IoT projects with ease. From tracking sensor data to automating smart devices, the cloud enables seamless connectivity. Complementing this, the Arduino IoT Remote mobile app...
./techtipsy
Cool projects This is an unsorted list of projects that really cool and neat. Chromebook cluster someone took...
a year ago
53
a year ago
This is an unsorted list of projects that really cool and neat. Chromebook cluster someone took some old Chromebooks, stripped them down and built a cluster. I love this kind of jank!
computers are bad
2023-11-04 nuclear safety Nuclear weapons are complex in many ways. The basic problem of achieving criticality is difficult on...
12 months ago
82
12 months ago
Nuclear weapons are complex in many ways. The basic problem of achieving criticality is difficult on its own, but deploying nuclear weapons as operational military assets involves yet more challenges. Nuclear weapons must be safe and reliable, even with the rough handling and...
Arduino Blog
Slot machine game harnesses the beauty of Nixie tubes Everyone loves the look of Nixie tubes, with their glowing orange characters made of curvy filament....
2 weeks ago
9
2 weeks ago
Everyone loves the look of Nixie tubes, with their glowing orange characters made of curvy filament. But we usually only see makers using Nixie tubes for one purpose: clocks. That’s unfortunate, because they have a lot more potential, as illustrated by Bob Cascisa’s Nixie tube...
computers are bad
2024-06-08 dmv.org The majority of US states have something called a "Department of Motor Vehicles," or DMV. Actually,...
4 months ago
57
4 months ago
The majority of US states have something called a "Department of Motor Vehicles," or DMV. Actually, the universality of the term "DMV" seems to be overstated. A more general term is "motor vehicle administrator," used for example by the American Association of Motor Vehicle...
Computer Ads from...
Mark Williams' C Programming System What C did for Programming Mark Williams has done for C Programming
2 months ago
Engineers Need Art
Same Stop Marvelling at the full circle life seems to have taken after retirement.
a year ago
Style over Substance
3D-printable Raleno 104 lightbox adapter for camera film scanning My latest creation is a 3D-printed adapter for the Raleno PLV-S104 (Raleno 104) light. The model...
over a year ago
44
over a year ago
My latest creation is a 3D-printed adapter for the Raleno PLV-S104 (Raleno 104) light. The model turns it into a lightbox that you can use for digital camera scanning of your negative film. It also contains a holder compatible with the Valoi 35mm/120 film carriers. Additionally,...
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...
4 months ago
58
4 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,...
Arduino Blog
This beautiful table creates art in the sand Kinetic sand art tables are pretty hot right now, because they look really cool. They’re like zen...
2 months ago
17
2 months ago
Kinetic sand art tables are pretty hot right now, because they look really cool. They’re like zen gardens that rake themselves in intricate patterns. But most of the builds we’ve seen use a conventional cartesian CNC layout or polar layout. This table by Newsons Electronics takes...
latest projects -...
Portable Probability Panel [Misc] Laser-cut Galton board
3 months ago
./techtipsy
Tech rants: PC-s use way too much power in 2021 Welcome to 2021. We have: supply chain issues no reasonably priced GPU-s consumer-grade CPU-s with...
over a year ago
41
over a year ago
Welcome to 2021. We have: supply chain issues no reasonably priced GPU-s consumer-grade CPU-s with peak power consumption at 296W GPU-s that consume 350-400W of power under normal use At the same time, we have made great leaps in CPU/GPU architectures and chip manufacturing...
Arduino Blog
Using Arduino with gaming It’s not surprising that the Arduino community is packed to the brim with examples of gaming-related...
a week ago
3
a week ago
It’s not surprising that the Arduino community is packed to the brim with examples of gaming-related projects. Both activities tend to attract people with a love for problem-solving, technology, and getting immersed in one challenging activity for hours at a time. The result is...
Old Vintage...
Cracking DesignWare's The Grammar Examiner on the C64 It's been awhile since I've stripped the copy protection off a Commodore 64 software package. This...
a year ago
56
a year ago
It's been awhile since I've stripped the copy protection off a Commodore 64 software package. This weekend I had a reason to. The Grammar Examiner from 1984, something like a mashup between a board game and Strunk and White's Elements of Style, where you get to edit a fictional...
Arduino Blog
Circuit Canvas can help you quickly create illustrated wiring diagrams Good documentation is extremely useful when conceiving, building, or sharing electronic circuit...
3 months ago
25
3 months ago
Good documentation is extremely useful when conceiving, building, or sharing electronic circuit designs, but traditional schematics and technical drawings are difficult for non-professionals to interpret and create. Makers can benefit from intuitive illustrations that look good...
Computer Ads from...
UNIX Review Magazine Interviews Larry Tesler They discuss Tesler's involvement with Xerox, Apple and office automation with Unix.
a month ago
Arduino Blog
This disturbing Halloween doll was brought to life with Bottango Halloween is popular for a lot of reasons and it is safe to say that “creative expression” is near...
4 hours ago
1
4 hours ago
Halloween is popular for a lot of reasons and it is safe to say that “creative expression” is near the top of the list. That extends beyond store-bought costumes and decorations to DIY projects. If you want an excuse to make something impractical, Halloween can provide that. And...
Abort Retry Fail
The History of Windows 3 Windows becomes competitive
a year ago
Old Vintage...
So long, Z80 You can still buy 6502s from Western Design Center and others, but Zilog's getting out of Z80s...
6 months ago
66
6 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)...
Computer Ads from...
E-Z Tax The Tax Break You've Been Looking for !
6 months ago
Old Vintage...
CAP-X and COMP-X: how the Tandy Pocket Computers got a sucky Japanese assembler I grew up primarily with the Commodore 64, where if you wanted to do anything really cool and...
8 months ago
65
8 months ago
I grew up primarily with the Commodore 64, where if you wanted to do anything really cool and useful, you had to do it in 6502 assembly language. Today I still write 6502 assembly, plus some Power ISA and even a little TMS9900. I like assembly languages and how in control of the...
Arduino Blog
Why do OTA updates matter in IoT? Imagine you’ve just installed your state-of-the-art lighting control system, perfectly hidden in a...
4 months ago
23
4 months ago
Imagine you’ve just installed your state-of-the-art lighting control system, perfectly hidden in a box inside a wall, and everything seems to be working like a charm. But then, you spot a bug in the firmware. The thought of pulling the hardware back out sends shivers down your...
Electronics etc…
Tektronix TDS 684B Oscilloscope Button Swap Introduction Removing the panels Swapping a Rotary Encoder Putting it all back together End...
6 months ago
89
6 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...
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
65
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...
Abort Retry Fail
The History of Commodore, Part 1 Chuck Peddle, the 6502, MOS, and the PET
a year ago
Arduino Blog
This belt grinder uses an Arduino Opta micro PLC A mainstay in most machine shops, the belt grinder assists in greatly increasing the speed at which...
a month ago
9
a month ago
A mainstay in most machine shops, the belt grinder assists in greatly increasing the speed at which parts can be ground down in a safer, more controlled manner compared to an angle grinder. As an effort to build a tool like this one for the first time, Julien Alexandre chose to...
./techtipsy
Testing a cheap ExpressCard to NVMe SSD adapter on my ThinkPad T430 I stumbled upon this post in /r/thinkpad, which got my attention. It showcases an ExpressCard to M.2...
over a year ago
23
over a year ago
I stumbled upon this post in /r/thinkpad, which got my attention. It showcases an ExpressCard to M.2 NGFF adapter that they purchased from AliExpress. The adapter has a similar purpose to the one designed by thinkmods.store, with the added bonus that it could fit longer NVMe...
Arduino Blog
ThermoGrasp brings thermal feedback to virtual reality Imagine playing Half-Life: Alyx and feeling the gun heat up in your hand as you take down The...
3 weeks ago
8
3 weeks ago
Imagine playing Half-Life: Alyx and feeling the gun heat up in your hand as you take down The Combine. Or operating a robot through augmented reality and feeling coldness on your fingers when you get close to exceeding the robot’s limits. A prototype device called ThermoGrasp...
Abort Retry Fail
The History of Commodore, Part 3 Are you keeping up with the Commodore?
11 months ago
./techtipsy
How to mess up a simple ThinkPad X230 BIOS flash and how to recover from it Background I have a Lenovo ThinkPad X230. It’s a small and good laptop that I’ve used as my main...
over a year ago
14
over a year ago
Background I have a Lenovo ThinkPad X230. It’s a small and good laptop that I’ve used as my main laptop and a server as well. A couple of years ago I messed around with flashing alternative BIOS implementations on the X230, such as the skulls project, which made installing...
Arduino Blog
Explore two ways to white label with Arduino Cloud We’re excited to announce a brand-new feature called “Custom Branding,” which allows Enterprise plan...
5 months ago
44
5 months ago
We’re excited to announce a brand-new feature called “Custom Branding,” which allows Enterprise plan users to white label their workspace and enhance the overall user experience. This announcement is exciting because it empowers businesses to create a truly tailored environment...
./techtipsy
About the time my ThinkPad T430 ran with an external GPU The ThinkPad T430 is not a remarkable laptop. It’s thick, bulky and built like a tank. I got mine in...
4 months ago
56
4 months ago
The ThinkPad T430 is not a remarkable laptop. It’s thick, bulky and built like a tank. I got mine in 2016 when the first university scholarship money dropped, and it’s still my backup laptop of choice. Around 2017 I did something every reasonable poor computer science...
detreville
This is "detreville" It's my name, and the name of my Substack too. That's one less thing for everyone to remember.
a year ago
Engineers Need Art
Building Quarter-Cab - Phase I Lets build a simple virtual pinball controller to bring more immersion to your game.
5 months ago
./techtipsy
How I ended up working as a software developer I’ve officially worked as a software developer since August 2016, and by now I have a fair share of...
2 months ago
37
2 months ago
I’ve officially worked as a software developer since August 2016, and by now I have a fair share of stories to tell from those years. But those are stories for another time. Today I’d like to focus on where it all got started. The early days I never considered myself good with...
Arduino Blog
A pair of Arduino UNO R4 boards power this Tron-inspired, decked-out shop room Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop...
4 months ago
35
4 months ago
Bob Clagett of the “I Like to Make Stuff” YouTube channel has recently undertaken an extensive shop renovation project where he is rearranging tools, tidying up various spaces, and even creating a dedicated “clean” room for his collection of 3D printers/electronics work. With its...
Abort Retry Fail
The Birth of Windows Gaming Software is a fluid that expands to fill its container
a year ago
./techtipsy
Database optimization adventures on low-end hardware I used to work on a short-term project a while ago where the goal was to visualize some metrics that...
over a year ago
22
over a year ago
I used to work on a short-term project a while ago where the goal was to visualize some metrics that were collected from a pretty fancy smart home setup. This data included power usage of various sections of the building, temperature sensors, water usage levels and more. The data...
Arduino Blog
Top Arduino Cloud IoT dashboard ideas with the new Image widget  Recently, we announced the exciting new Image widget for Arduino Cloud. This powerful feature opens...
3 weeks ago
13
3 weeks ago
Recently, we announced the exciting new Image widget for Arduino Cloud. This powerful feature opens up a world of possibilities for enhancing your IoT dashboards. But the true potential of the Image widget lies in the applications that you create. Today, we’re excited to dive...
Arduino Blog
Vintage rotary phone becomes stylish kitchen timer It seems like everything that happens in a kitchen requires exact timing. Whisk the batter for three...
5 months ago
74
5 months ago
It seems like everything that happens in a kitchen requires exact timing. Whisk the batter for three minutes, knead the dough for 15 minutes, bake for 30 minutes, and so on. A timer is a necessity for cooking and baking, but there is no reason you need to use your phone or a...
Computer Ads from...
VenturCom's VENIX Mixing REAL Time With REAL UNIX Is Not Magic...It Is Technology.
8 months ago
Engineers Need Art
Mooncraft 2000 A web-based game, Mooncraft 2000 is released.
over a year ago
Electronics etc…
$17 GM1312 Thermometer Review, Test, and Teardown Introduction What is a thermocouple The GM1213 Thermometer A few...
a year ago
49
a year ago
Introduction What is a thermocouple The GM1213 Thermometer A few tests Internals Conclusion References Introduction I’ve been doing a bunch of measurements on oven-controlled oscillators lately, including their temperature. There are multiple ways to measure...
Style over Substance
M4 Hex Socket Thumbscrew Knob Caps For the past few weeks I’ve been teaching myself how to use Fusion 360, a free online cloud-based...
over a year ago
65
over a year ago
For the past few weeks I’ve been teaching myself how to use Fusion 360, a free online cloud-based CAD/CAM program that lets you create your own 3D designs. The best way to learn how to use a new program is to build something you actually need. And my latest design is a work in...
Arduino Blog
Make your scary Halloween pumpkin smart with the Plug and Make Kit! With Halloween just around the corner, we’ve got the perfect project to make your decorations more...
2 weeks ago
9
2 weeks ago
With Halloween just around the corner, we’ve got the perfect project to make your decorations more fun and interactive. All you have to do is take the Arduino UNO R4 WiFi and Modulino nodes included in your Plug and Make Kit to create an awesome jack-o’-lantern that will light up...
Computer Ads from...
Intel's Inboard 386/PC Welcome to the 1990s.
2 weeks ago
Abort Retry Fail
The History of the IBM 5100 IBM's First Personal Computer
11 months ago
Abort Retry Fail
The History of Lotus The Hardest Working Software in the World
a year ago
Arduino Blog
BrainPatch.AI: How a British neurotech startup built a working prototype fast, using Arduino Nano 33... The field of neurotechnology has been advancing rapidly in recent years, opening up to safe and...
a month ago
13
a month ago
The field of neurotechnology has been advancing rapidly in recent years, opening up to safe and effective non-invasive interfaces that can deliver tiny milliamp currents to the right stimulation location on the head, neck or body. One example of the new players in this field is...
./techtipsy
My very first career day This post is a short overview of my experience at a career day in Valga, Estonia, hosted with the...
8 months ago
87
8 months ago
This post is a short overview of my experience at a career day in Valga, Estonia, hosted with the help of GreenDice. I’ve never spoken at a career day before nor attended one as a student, which is why I instantly agreed to going to one when GreenDice reached out to me. Why? I...
Electronics etc…
Installing Linux GPIB Drivers for the Agilent 82357B Introduction Other Installation Instructions Agilent 82357B Initialization Process Installing the...
a year ago
44
a year ago
Introduction Other Installation Instructions Agilent 82357B Initialization Process Installing the Agilent 82357B GPIB Driver on an Ubuntu Linux Distribution References Introduction I’ve started to grow a collection of older test equipment from the eighties, the nineties, and the...
Old Vintage...
Pretty pictures, bootable floppy disks, and the first Canon Cat demo? Now that our 1987 Canon Cat is refurbished and ready to go another nine innings or so, it's time to...
3 months ago
54
3 months ago
Now that our 1987 Canon Cat is refurbished and ready to go another nine innings or so, it's time to get into the operating system and pull some tricks. from our historical discussion of the Canon Cat, the Cat was designed by Jef Raskin as a sophisticated user-centric computer...
computers are bad
2023-04-30 los alamos - compound to county pt II Where we left off, Los Alamos had become a county, but the town itself continued to be directly...
a year ago
54
a year ago
Where we left off, Los Alamos had become a county, but the town itself continued to be directly administered by the Atomic Energy Commission (AEC). The Atomic Energy Communities Act (AECA) mandated the AEC to dispose of the towns it owned by transferring the property to private...
Arduino Blog
Axiom is Arduino’s newest Gold Integration Partner! Digital manufacturing consultancy and solutions provider, Axiom Manufacturing Systems, based in the...
4 months ago
26
4 months ago
Digital manufacturing consultancy and solutions provider, Axiom Manufacturing Systems, based in the United States, has recently joined our System Integrators Partnership Program. As Gold-level partners, Axiom will supercharge their mission – to empower manufacturers to rapidly...
./techtipsy
DIY cloud gaming: NVIDIA and Moonlight As you might have read from my previous post on this topic, I have a pretty neat “cloud” gaming...
over a year ago
23
over a year ago
As you might have read from my previous post on this topic, I have a pretty neat “cloud” gaming setup running. I have one powerful desktop PC, one virtual machine with a GPU attached to it, and client machines that can be used to stream games from. To keep things simple (and...
Arduino Blog
How to customize your Arduino Cloud IoT dashboards on the go The Arduino Cloud has long been a trusted platform for makers, engineers, and developers to manage...
2 weeks ago
10
2 weeks ago
The Arduino Cloud has long been a trusted platform for makers, engineers, and developers to manage their IoT projects with ease. From tracking sensor data to automating smart devices, the cloud enables seamless connectivity. Complementing this, the Arduino IoT Remote mobile app...
Arduino Blog
You can now work in collaboration in Arduino Cloud In today’s busy world, getting students or engineers to work together is key to tackling complex IoT...
a month ago
18
a month ago
In today’s busy world, getting students or engineers to work together is key to tackling complex IoT projects. Traditional code sharing and editing methods, like using offline IDEs or swapping files manually, often slow down projects and lead to mistakes. This can be a hassle and...
Style over Substance
How to use a Phase One H20 digital back on a medium format Hasselblad V camera (500EL/M) My newest purchase was a bit of a gamble. I bought a $500 Phase One H20 digital back for my...
over a year ago
55
over a year ago
My newest purchase was a bit of a gamble. I bought a $500 Phase One H20 digital back for my Hasselblad 500EL/M medium format camera. Or, simply put, I bought an expensive old gadget for my even older analog camera, making it a digital camera. A gadget that was released in the...
Arduino Blog
Reduce power consumption in IoT and wearable devices, with Arduino’s new power management library! Developing energy-efficient IoT and wearable devices is complex and time-consuming, yet it is...
a month ago
14
a month ago
Developing energy-efficient IoT and wearable devices is complex and time-consuming, yet it is essential for creating high-quality products that stand out in today’s market. A key part in this process is optimizing power consumption without sacrificing performance or...
./techtipsy
How I fixed one hardware issue with another one I happen to run on an ASRock Fatal1ty B450 Gaming-ITX/ac motherboard that used to run fine, but ever...
over a year ago
19
over a year ago
I happen to run on an ASRock Fatal1ty B450 Gaming-ITX/ac motherboard that used to run fine, but ever since I installed one UEFI update, it has had this one annoying issue: whenever you reboot, it gets stuck at POST. Cold boots work fine and the shutdown-and-push-the-power-button...
./techtipsy
AMD Ryzen 7 5700G: first impressions on Fedora 34 Introduction I’ve covered my self-hosting setup in a previous post. It has been a couple of months...
over a year ago
38
over a year ago
Introduction I’ve covered my self-hosting setup in a previous post. It has been a couple of months and the setup has mostly been fine. Sure, the power usage was pretty big under load, and yes, my internet did cut out every time I turned the VM on with all the services starting,...
./techtipsy
No HDMI port on the ThinkPad T430? No problem! The ThinkPad T430 has a few options for running it with an external display: VGA port, which is...
3 months ago
51
3 months ago
The ThinkPad T430 has a few options for running it with an external display: VGA port, which is pretty much obsolete at this point mini DisplayPort connector on the laptop itself DVI or DisplayPort on a dock The mini DisplayPort port has annoyed me for as long as I’ve had this...
Computer Ads from...
Lintek Computer Accessories' Paper Tamer Restore Order (to your printer)
6 months ago
Christian Selig
Choosing a travel pack is hard I love the “carry-on only” traveling style, it’s cheaper and you don’t have to worry about airlines...
6 months ago
68
6 months ago
I love the “carry-on only” traveling style, it’s cheaper and you don’t have to worry about airlines losing your stuff. Outside of requiring a bit more planning, what’s not to love? Turns out this is a beloved product category with a passionate community behind it, and as a result...
Engineers Need Art
Virtual Pinhead Discovering virtual pinball, a hobbyist community devoted to it, and building a full-size virtual...
7 months ago
72
7 months ago
Discovering virtual pinball, a hobbyist community devoted to it, and building a full-size virtual pinball cabinet.
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 weeks ago
12
3 weeks 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...
detreville
A writer's autobiography (Just not mine.)
a year ago
Arduino Blog
Track the location history of your devices in Arduino Cloud IoT dashboards Asset tracking has become increasingly crucial across various industries and applications. Whether...
4 months ago
32
4 months ago
Asset tracking has become increasingly crucial across various industries and applications. Whether you’re a logistics company monitoring your fleet, a conservation organization tracking wildlife, or an individual passionate about outdoor adventures, the ability to track and...
Arduino Blog
Technology meets creativity in two interactive art student projects Art and engineering are not separate concepts. There is a great deal of overlap between the two and...
a week ago
9
a week ago
Art and engineering are not separate concepts. There is a great deal of overlap between the two and many modern disciplines increasingly blur those lines. Mónica Riki is an “electronic artist and creative coder” who embodies that idea: you might remember her and her incredible...
Arduino Blog
An engineer’s journey to bring the ultimate TMJ pain relief tool to market To the average person, invention and new product development seem like pretty straightforward...
4 weeks ago
6
4 weeks ago
To the average person, invention and new product development seem like pretty straightforward processes; you come up with a killer idea, do the engineering work to cobble together a working prototype, have a truckload of units manufactured, and then sell those to turn a profit....
Arduino Blog
Save 20% on Arduino Cloud Maker Plan this May! Enhance your IoT projects with our special offer! Get 20% off a yearly subscription to the Arduino...
5 months ago
70
5 months ago
Enhance your IoT projects with our special offer! Get 20% off a yearly subscription to the Arduino Cloud Maker Plan using code CLOUD20MAY. Valid until the end of May, this deal saves you $14.38, reducing the price from $71.88 to $57.50. Benefits of the Maker Plan: What is Arduino...
Computer Ads from...
Comics from 1982/02 Creative Computing Mag Time for some humor
5 months ago
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
42
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...
./techtipsy
Good reads This is an unsorted list of articles that I find to be good in one way or another. Maker’s Schedule,...
a year ago
20
a year ago
This is an unsorted list of articles that I find to be good in one way or another. Maker’s Schedule, Manager’s Schedule a must-read for anyone working in a software development team. Helps express what most of us have felt at some point in our careers. The case of the 500-mile...
Arduino Blog
Explore underwater with this Arduino-controlled DIY ROV Who doesn’t want to explore underwater? To take a journey beneath the surface of a lake or even the...
2 months ago
35
2 months ago
Who doesn’t want to explore underwater? To take a journey beneath the surface of a lake or even the ocean? But a remotely operated vehicle (ROV), which is the kind of robot you’d use for such an adventure, isn’t exactly the kind of thing you’ll find on the shelf at your local...
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
49
over a year ago
Those of us who fiddled while Apple Computer burned. Well, actually some of us put together a big jigsaw puzzle.
Arduino Blog
GLEWBOT scales buildings like a gecko to inspect wall tiles A great deal of building maintenance expenses are the result of simple inaccessibility. Cleaning the...
5 months ago
97
5 months ago
A great deal of building maintenance expenses are the result of simple inaccessibility. Cleaning the windows are your house is a trivial chore, but cleaning the windows on a skyscraper is serious undertaking that needs specialized equipment and training. To make exterior wall...
Arduino Blog
Amassing a mobile Minion militia Channeling his inner Gru, YouTuber Electo built a robotic minion army to terrorize and amuse the...
2 months ago
18
2 months ago
Channeling his inner Gru, YouTuber Electo built a robotic minion army to terrorize and amuse the public in local shopping malls. Building one minion robot is, in theory, pretty straightforward. That is especially true when, like these, that robot isn’t actually bipedal and...
computers are bad
2023-07-10 the tragedy of beatrice foods Occasionally, research into the history of telephony takes you into some strange places. There are...
a year ago
55
a year ago
Occasionally, research into the history of telephony takes you into some strange places. There are conspiracy theories, of course, and there are people who insist on their version of events so incessantly that details of dates and places can become heated arguments. There is also...
Old Vintage...
Reversing the Web-@nywhere Watch: browse fragments of the Web on your wrist In the halcyon days of analogue modems and POTS dialup Internet, when the only wireless connection...
9 months ago
61
9 months ago
In the halcyon days of analogue modems and POTS dialup Internet, when the only wireless connection in your house was between the cordless phone and the wall, anything having to do with the Web was best consumed in small bites (pun intended). If you wanted to take data with you,...
./techtipsy
Tech tip: eliminate HDD humming noise Anyone that has bought themselves external WD drives from the Elements/My Book/Easystore series are...
over a year ago
21
over a year ago
Anyone that has bought themselves external WD drives from the Elements/My Book/Easystore series are probably familiar with the acoustic characteristics of the drives. The drives have a loud hum caused by WD running the drives at 7200rpm while claiming the drives to be...
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.
2 months ago
Electronics etc…
Setting Up a Symmetricom SyncServer S200 Network Time Protocol Server Introduction What was the SyncServer S200 Supposed to be Used For? IMPORTANT: Use the Right GPS...
3 months ago
49
3 months ago
Introduction What was the SyncServer S200 Supposed to be Used For? IMPORTANT: Use the Right GPS Antenna! The SyncServer S200 Outside and Inside Installing the Missing BNC Connectors Setting Up a SyncServer S200 from Scratch Opening up the SyncServer S200 The SyncServer File...
./techtipsy
The Fedora Linux starter pack: everything you need for a smooth experience I like Fedora Linux. It’s the Linux distro that stopped my habit of distro-hopping. Big deal? Ooh,...
2 weeks ago
21
2 weeks ago
I like Fedora Linux. It’s the Linux distro that stopped my habit of distro-hopping. Big deal? Ooh, big deal! It’s stable in day-to-day use, ships with up-to-date software, and the software selection is adequate out of the box. It also ships with a fresh Linux kernel version1,...
computers are bad
2024-03-17 wilhelm haller and photocopier accounting In the 1450s, German inventor Johannes Gutenburg designed the movable-type printing press, the first...
7 months ago
69
7 months ago
In the 1450s, German inventor Johannes Gutenburg designed the movable-type printing press, the first practical method of mass-duplicating text. After various other projects, he applied his press to the production of the Bible, yielding over one hundred copies of a text that...
Arduino Blog
Team Ikaro scores success with the Arduino Nano RP2040 Connect! Team Ikaro is a vibrant group of high school students from the Pacinotti Archimede Institute in...
a month ago
19
a month ago
Team Ikaro is a vibrant group of high school students from the Pacinotti Archimede Institute in Rome, sharing a strong passion for electronics and turning heads in the world of robotics! Specializing in Soccer Lightweight games (where robot-soccer players compete to score goals...
Electronics etc…
ThinMachine - a $25 Thin Client MacOS Time Machine Appliance The instructions below set up Time Machine using the Apple File Protocol (AFP). After publishing...
a year ago
67
a year ago
The instructions below set up Time Machine using the Apple File Protocol (AFP). After publishing this blog post, I’ve been told that this is now deprecated and that Samba should be used instead. I’ll update this blog post in the near future. Introduction The HP t520 Thin...
Engineers Need Art
SystemSix SystemSix is a desk calendar project that displays the weather forecast and phase of the moon on an...
over a year ago
48
over a year ago
SystemSix is a desk calendar project that displays the weather forecast and phase of the moon on an e-ink display.
Computer Ads from...
Comics from 1983/08 Today Mag Time for some levity. The following comics were all found in the August 1983 issue of Today...
7 months ago
61
7 months ago
Time for some levity. The following comics were all found in the August 1983 issue of Today magazine. Enjoy! What computer ads would you like to see in the future? Please comment below. If you enjoyed it, please share it with your friends and relatives. Thank you.
Arduino Blog
Control your Raspberry Pi GPIOs with Arduino Cloud using Python | Part II As a Python developer, you’re probably eager to control and monitor your Raspberry Pi GPIOs...
5 months ago
52
5 months ago
As a Python developer, you’re probably eager to control and monitor your Raspberry Pi GPIOs remotely. Well, you have landed in the right place.  This article builds upon our previous introduction to “Visualize your Raspberry Pi data with Arduino Cloud | Part I.” Now, we’ll...
Old Vintage...
Niklaus Wirth dies Reported yesterday. The first computer program I remember in school was Apple Presents Apple, which...
10 months ago
54
10 months ago
Reported yesterday. The first computer program I remember in school was Apple Presents Apple, which was written in UCSD Pascal; the first actual compiler I ever used was Turbo Pascal 5.5 (purloined from a campus NetWare server), and the first actual compiler I ever used on the...
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
21
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...
Arduino Blog
Clone your IoT projects with Arduino Cloud Custom Templates Whether you are an IoT enthusiast, an enterprise developer or a high school teacher, we all know the...
3 months ago
33
3 months ago
Whether you are an IoT enthusiast, an enterprise developer or a high school teacher, we all know the thrill of bringing a new IoT project to life. But we also understand the frustration of repetitive setup processes and the time sink of configuring the same elements over and over...
Engineers Need Art
Experiments in Printmaking - Part 1 Trying some unconventional techniques to create a pop-art print of a Cherry Mash candy bar.
7 months ago
Old Vintage...
The unreleased Commodore HHC-4's secret identity Once upon a time (and that time was Winter CES 1983), Commodore announced what was to be their one...
4 days ago
7
4 days ago
Once upon a time (and that time was Winter CES 1983), Commodore announced what was to be their one and only handheld computer, the Commodore HHC-4. It was never released and never seen again, at least not in that form. But it turns out that not only did the HHC-4 actually exist,...
Arduino Blog
An ultra-affordable DIY underwater ROV ROVs (remotely operated vehicles) let us explore bodies of water and it is hard not to be excited by...
5 months ago
55
5 months ago
ROVs (remotely operated vehicles) let us explore bodies of water and it is hard not to be excited by the possibilities. But traditional ROVs cost a lot of money and often require serious expertise to operate and maintain. Luckily there are affordable alternatives, such as this...
./techtipsy
Archive
over a year ago
Arduino Blog
Using Arduino UNO to sync a visual neuroscience lab Common research methods to study the visual system in the laboratory include recording and...
a week ago
2
a week ago
Common research methods to study the visual system in the laboratory include recording and monitoring neural activity in the presence of sensory stimuli, to help scientists study how neurons encode and respond, for example, to specific visual inputs.  One of the biggest technical...
Old Vintage...
Finally, an MOS 7600/7601 Video Game Array data sheet A quick one. Many of you are aware of my rather abnormal fascination with the MOS 7600/7601, MOS...
a year ago
49
a year ago
A quick one. Many of you are aware of my rather abnormal fascination with the MOS 7600/7601, MOS Technology's dedicated "Pong-on-a-chip" (from the company that brought you my favourite CPU, the MOS 6502) that's actually a rather sophisticated microcontroller for the era. I own...
Arduino Blog
RIoT Secure joins Arduino’s SIPP as Gold Partner We are excited to announce that RIoT Secure has joined Arduino’s System Integrators Partnership...
4 months ago
47
4 months ago
We are excited to announce that RIoT Secure has joined Arduino’s System Integrators Partnership Program at the Gold level. Founded in 2017 in Stockholm, Sweden, RIoT Secure is at the forefront of IoT security, especially in regards to resource-constrained microcontrollers,...
Abort Retry Fail
The History of Windows 95 The Dawn of Microsoft's Golden Age
a year ago
detreville
🎼This Is the Worst Trip I’ve Ever Been On 🎶 (A Lengthy Vacation Post-Mortem)
5 months ago
Electronics etc…
HP 33120A Repair - Shutting Down the Eye of Sauron Introduction Opening Up an HP 33120A A Walk Through the Block Diagram Bug Hunting Zener...
a year ago
54
a year ago
Introduction Opening Up an HP 33120A A Walk Through the Block Diagram Bug Hunting Zener Replacement Staring at the Eye of Sauron FLIR IR Imaging To Destroy a PCB in Order to Save It Circuit Reconstruction Success! Trust but Verify Conclusion References Introduction When the...
Arduino Blog
Repurposing an automatic train control unit as a car speedometer We’re just now getting semi-autonomous self-driving capabilities in cars, which let them adhere to...
a month ago
16
a month ago
We’re just now getting semi-autonomous self-driving capabilities in cars, which let them adhere to posted speed limits and maintain their lanes. But trains have been doing the same thing for a long time — well before machine learning and computer vision became ubiquitous. How did...
./techtipsy
Running my ThinkPad T430 with an eGPU in 2024 I probably shouldn’t have written down my notes on the eGPU setup I had years ago. I’d be lying if I...
2 months ago
33
2 months ago
I probably shouldn’t have written down my notes on the eGPU setup I had years ago. I’d be lying if I wasn’t considering remaking this setup with everything I’ve learned 6 years later. Oops. I got access to an allegedly-faulty AMD Radeon RX 480 and an NVIDIA GTX 1650 for free...
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,...
5 months ago
32
5 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...
Abort Retry Fail
The History of Microsoft Encarta Searchable Human Knowledge
a year ago
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...
3 months ago
41
3 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...
Old Vintage...
Adding a cooling fan to the Commodore 128DCR Call it a "refurb weekend sequel" to our previous work on my beloved Commodore 128DCR. It's been a...
a year ago
54
a year ago
Call it a "refurb weekend sequel" to our previous work on my beloved Commodore 128DCR. It's been a hot, horrid summer in Floodgap Very Sub-Orbital Headquarters and I was somewhat concerned about the heat in the house computer lab even with the A/C cranked up to "Vegas weekend for...
./techtipsy
Back to roots This blog is running on a home server again. I have once again gained access to a competent internet...
4 months ago
55
4 months ago
This blog is running on a home server again. I have once again gained access to a competent internet connection1, and I think I have figured out the IPv6 setup as well2, leading to this change. The IP address is dynamic, there are occasional power outages and I might just mess up...
OH8HUB’s Substack
A quick visit to Vaajasalo island Vaajasalo is a small island in lake Kallavesi in eastern Finland with population less than hundred....
a year ago
54
a year ago
Vaajasalo is a small island in lake Kallavesi in eastern Finland with population less than hundred. There’s also a winery called Alahovi Berry Wine Farm. They produce berry wines, cider, beer and liqueur. The temptation to visit them was huge, but I was on tight schedule. Maybe...
./techtipsy
How to make digital copies of your old video tapes Introduction This is a short overview of one way to take your old video tapes and make digital...
over a year ago
23
over a year ago
Introduction This is a short overview of one way to take your old video tapes and make digital copies of their contents. To get started, you will need the following: old video tapes that you want to make copies of (VHS and its variants) a device that can read analog AV signals...
./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
44
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...
Arduino Blog
Get notified of impending floods with this Arduino Nano 33 IoT-based display As climate change continues to worsen, events such as heavy rains, hurricanes, and atmospheric...
2 weeks ago
9
2 weeks ago
As climate change continues to worsen, events such as heavy rains, hurricanes, and atmospheric rivers have only intensified, and with them, large amounts of flooding that pose serious risks to life and property. Jude Pullen and Pete Milne, therefore, have responded by creating a...
Old Vintage...
Virtualizing the 6502 on a 6502 with 6o6 (and The Incredible KIMplement goes 1.0) Okay, promises, promises. Here's the first of my bucket list projects I'm completing which I've...
6 months ago
66
6 months ago
Okay, promises, promises. Here's the first of my bucket list projects I'm completing which I've intermittently worked on for literally two decades. Now that I've finally shaken out more bugs, tuned it up and cleaned it off, it's time to let people play with the source...
Electronics etc…
Symmetricom 58532A GPS Antenna Supply Voltage Mod The Symmatricom 58532A Opening up the 58532A Voltage Regulation Result What about the other 58532A...
7 months ago
74
7 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...
computers are bad
2024-03-27 telephone cables So let's say you're working on a household project and need around a dozen telephone cables---the...
7 months ago
57
7 months ago
So let's say you're working on a household project and need around a dozen telephone cables---the ordinary kind that you would use between your telephone and the wall. It is, of course, more cost effective to buy bulk cable, or simply a long cable, and cut it to length and attach...
Computer Ads from...
Comics from 1986/06 Australian Personal Computer Mag It’s that time of the month. This time let’s look at humor from down under. These comics are from...
6 months ago
52
6 months ago
It’s that time of the month. This time let’s look at humor from down under. These comics are from the June 1986 issue of Australian Computer magazine. Enjoy! What computer ads would you like to see in the future? Please comment below. If you enjoyed it, please share it with your...
Christian Selig
Announcing Apollo: a new Reddit app for iPhone I’m really excited to unveil a project I’ve been working on for the last year or so. It’s called...
over a year ago
18
over a year ago
I’m really excited to unveil a project I’ve been working on for the last year or so. It’s called Apollo and it’s a new Reddit app for iPhone. I’ve been a Reddit user for about four years now, and the site is a constant source of interesting discussion, hilarity and news for me...
Arduino Blog
Reimagining the chicken coop with predator detection, Wi-Fi control, and more The traditional backyard chicken coop is a very simple structure that typically consists of a...
2 months ago
38
2 months ago
The traditional backyard chicken coop is a very simple structure that typically consists of a nesting area, an egg-retrieval panel, and a way to provide food and water as needed. Realizing that some aspects of raising chickens are too labor-intensive, the Coders Cafe crew decided...
./techtipsy
My blog successfully survived a scheduled power outage I had the opportunity to test the resiliency of my home server setup due to a scheduled power outage...
a month ago
33
a month ago
I had the opportunity to test the resiliency of my home server setup due to a scheduled power outage on 2024-09-13. It was also Friday the 13th. I’m not superstitious, but I’m a little stitious. My setup usually consists of the home server, a Wifi AP/router combo box, a converter...
Old Vintage...
When the Power Macintosh ran NetWare (featuring Wormhole and Cyberpunk) This entry and the software we'll demonstrate is in large part thanks to an anonymous Apple...
10 months ago
53
10 months ago
This entry and the software we'll demonstrate is in large part thanks to an anonymous Apple developer who was part of the NetWare team. Thank you! the network operating system of the 1990s. Nothing was quite like it. Until Windows NT muscled in on its action near the end of the...
Arduino Blog
Introducing Opta Expansions: scalable simplicity! Last year, we launched the Arduino Pro Opta: it was an instant success with our community, and...
5 months ago
38
5 months ago
Last year, we launched the Arduino Pro Opta: it was an instant success with our community, and allowed us to reach PLC engineers with a new solution specifically designed for their needs.  To further expand Opta’s capabilities, today the Arduino ecosystem welcomes various...
Arduino Blog
Let’s play at the Maker Faire Rome 2024! We are excited to be back at Maker Faire Rome as a Gold Sponsor of the 12th edition (October 25-27,...
a month ago
15
a month ago
We are excited to be back at Maker Faire Rome as a Gold Sponsor of the 12th edition (October 25-27, 2024), with some exciting experiences lined up for all makers, innovators, and creators who attend! Learn by playing at our booth  Visit us at the fair for a playful, interactive...
Electronics etc…
HP 8656A Signal Generator Schematics Agilent has made the 8656A Signal Generator Operating & Service Manual available as a PDF, but the...
8 months ago
85
8 months ago
Agilent has made the 8656A Signal Generator Operating & Service Manual available as a PDF, but the schematics of chapter 8 are all spread over 3 or 4 pages, which makes them hard to follow. I spent a good evening extracting the schematics pages, cutting-and-pasting them together...
./techtipsy
Steam local network game transfers are a game-changer Steam recently launched a new feature: local network game transfers. The idea is simple: if you have...
a year ago
51
a year ago
Steam recently launched a new feature: local network game transfers. The idea is simple: if you have a game downloaded on another PC and you’re both on the same local network, then Steam can download game data from that PC, avoiding the need to download the game over public...
computers are bad
2023-04-10 solving problems with chatgpt One of the foundational goals of computer technology, at least as understood by popular culture, is...
a year ago
47
a year ago
One of the foundational goals of computer technology, at least as understood by popular culture, is to automate away our jobs. When your job is (put simply) to get computers to work correctly, there's sort of an irony to this view of things. Still, just within the span of my...
Engineers Need Art
Op-Amp Helper PCB A PCB for breadboards to make working with op-amps easier.
11 months ago
latest projects -...
Hand-cranked Flux Capacitor [Concept] Control the flow of time
10 months ago
Arduino Blog
Arduino Cloud is now available in AWS Marketplace! We’re excited to announce that Arduino Cloud is now available in AWS Marketplace, making it easier...
a month ago
16
a month ago
We’re excited to announce that Arduino Cloud is now available in AWS Marketplace, making it easier than ever for developers and businesses worldwide to integrate our powerful IoT platform into their AWS infrastructure. This development is particularly relevant for those in...
./techtipsy
Quest towards energy efficiency part 1: the water heater While listening to the SelfHosted podcast, one of the hosts brought up their peculiar...
over a year ago
24
over a year ago
While listening to the SelfHosted podcast, one of the hosts brought up their peculiar living arrangement multiple times. Essentially, he and his family are living in an RV that runs off of batteries, has solar panels, utilizes Home Assistant for automation, supports multiple...
Abort Retry Fail
The History of GM-NAA I/O and SHARE The Birth of Computer Operating Systems
11 months ago
latest projects -...
Simsim Pendant [Concept] Mercurial Medallion
8 months ago
./techtipsy
The minimum viable fan control script I’ve always been a fan of tinkering with cooling setups on my computers. I’ve even went as far as...
over a year ago
40
over a year ago
I’ve always been a fan of tinkering with cooling setups on my computers. I’ve even went as far as writing crappy solutions to make up for deficiencies on the hardware level. After years of dumb experiments I’ve seen how little you can get away with in cooling and how to run your...
./techtipsy
btrbk is awesome I like having a safety net whenever I’m doing something potentially destructive, which is why I use...
over a year ago
43
over a year ago
I like having a safety net whenever I’m doing something potentially destructive, which is why I use the btrfs file system for my operating system and my data. Snapshots are one half of my “whoops, there goes all my work” strategy (backups are the other half). I’ve written about...
Arduino Blog
Why is STEAM education important for kids? 6 activity tips School’s out for summer – at least for most of us. While the majority of children (and teachers!)...
4 months ago
39
4 months ago
School’s out for summer – at least for most of us. While the majority of children (and teachers!) will probably be breathing a huge sigh of relief, parents face a new challenge: how to keep kids engaged during the long break. Of course, downtime is important, but there are also...
./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
22
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...
Engineers Need Art
VPX Scripting - Part 1 (Teacher's Pet) The first in a series of posts about scripting Visual Pinball tables.
6 months ago
./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...
a month ago
25
a month 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...
Engineers Need Art
Stereographer Experimenting in stereo photography and I write an app to create old-fashioned stereoscopic cards.
2 months ago
41
2 months ago
Experimenting in stereo photography and I write an app to create old-fashioned stereoscopic cards.
Christian Selig
Using PHPickerViewController Images in a Memory-Efficient Way PHPickerViewController is (in my opinion) one of the more exciting parts of iOS 14. We developers...
over a year ago
24
over a year ago
PHPickerViewController is (in my opinion) one of the more exciting parts of iOS 14. We developers now have a fully-fledged photo picker that we can just use, rather than having to spend a bunch of our time creating our own (much like SFSafariViewController did for developers and...
./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
48
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...
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...
2 months ago
35
2 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...
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 days ago
7
2 days 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,...
Engineers Need Art
VPX Scripting - Part 5 (DOF) Some light Visual Pinball debugging and the world of DOF. New to DOF? Read on.
6 months ago
./techtipsy
Steam Deck: I like it I got a Steam Deck. Only took me a year or so of contemplating getting one, and trying out HoloISO,...
5 months ago
66
5 months ago
I got a Steam Deck. Only took me a year or so of contemplating getting one, and trying out HoloISO, the unofficial SteamOS installer finally convinced me to get one.1 It took another year to actually get down to writing down my thoughts on it. This post is written from the...
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...
5 months ago
85
5 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...
Arduino Blog
Two NEW Arduino Plug and Make Kit projects recreate iconic vintage games The Plug and Make Kit is a toolbox you can use for infinite ideas. So what happens if you ask a mix...
a month ago
19
a month ago
The Plug and Make Kit is a toolbox you can use for infinite ideas. So what happens if you ask a mix of Arduino designers, engineers, and managers to sit down and brainstorm new ideas to have fun with it? Well, at least one of them is guaranteed to come up with an adorable,...
./techtipsy
I encourage you to write a blog It’s been over 4 years since my first post on this blog. During those 4 years I’ve written over 90...
a month ago
22
a month ago
It’s been over 4 years since my first post on this blog. During those 4 years I’ve written over 90 posts, received over 1 million clicks, a dozen legitimate reader e-mails and thousands of spam e-mails. And I love it! I’ve found that writing can be very fulfilling and I encourage...
computers are bad
2023-04-27 los alamos - compound to county pt I This weekend, I found myself staying in Los Alamos for a volunteer role in which I judge children on...
a year ago
46
a year ago
This weekend, I found myself staying in Los Alamos for a volunteer role in which I judge children on the quality of their software. Clearly this is not the kind of opportunity I would turn down, but I also always take an excuse to drive back up the hill. I only lived in Los...
Arduino Blog
Finally, you can DIY your own espresso machine Caffeine lovers take their coffee very seriously and that is most apparent when you dive into the...
a month ago
22
a month ago
Caffeine lovers take their coffee very seriously and that is most apparent when you dive into the world of espresso machines. To satisfy enthusiasts, an espresso machine needs to provide precise control over temperature, pressure, and flow to enable the perfect pull. But if...
./techtipsy
So you need some tech tips... I’m an experienced software developer located in Estonia 🇪🇪🇪🇺 . I don’t simply get things done,...
over a year ago
24
over a year ago
I’m an experienced software developer located in Estonia 🇪🇪🇪🇺 . I don’t simply get things done, I get them done done. Here’s what I bring to the table: software development skillset building useful solutions monitoring, observability incident response I know how to use...
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...
3 months ago
52
3 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....
Style over Substance
DIY: Use an IKEA VINDRIKTNING air quality sensor in Home Assistant with ESPHome IKEA has released some interesting new products lately, focused on air quality. In this product...
over a year ago
61
over a year ago
IKEA has released some interesting new products lately, focused on air quality. In this product line, one unit that stands out is the VINDRIKTNING air quality sensor. This cheap (just €9,99) sensor measures the air quality in your home, using a simple traffic light scheme to...
computers are bad
2023-09-10 the Essex GWEN site Programming note: this post is in color. I will not debase myself to the level of sending HTML...
a year ago
61
a year ago
Programming note: this post is in color. I will not debase myself to the level of sending HTML email, so if you receive Computers Are Bad by email and want the benefit of the pictures, consider reading this online instead (the link is at the top of the email). In the aftermath of...
./techtipsy
How to fix ZFS pool not importing at boot Issue description You are running a Linux-based machine with an install of ZFS on Linux. Everything...
over a year ago
19
over a year ago
Issue description You are running a Linux-based machine with an install of ZFS on Linux. Everything seems to work correctly, but after restarting your machine, the ZFS pool is not visible. You can still import your pool manually using zpool import poolname or zpool import -a. In...
Christian Selig
Trials and Tribulations of Making an Interruptable Custom View Controller Transition on iOS I think it’s safe to say while the iOS custom view controller transition API is a very powerful one,...
over a year ago
17
over a year ago
I think it’s safe to say while the iOS custom view controller transition API is a very powerful one, with that power comes a great deal of complexity. It can be tricky, and I’m having one of those days where it’s getting the better of me and I just cannot get it to do what I want...
Arduino Blog
A gamified approach to therapy and motor skills testing For children who experience certain developmental delays, specific types of physical therapies are...
4 months ago
27
4 months ago
For children who experience certain developmental delays, specific types of physical therapies are often employed to assist them in improving their balance and motor skills/coordination. Ivan Hernandez, Juan Diego Zambrano, and Abdelrahman Farag were looking for a way to quantify...
./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...
8 months ago
68
8 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...
Electronics etc…
Analyzing the Monoprice Blackbird HDCP 2.2 to 1.4 Down Converter Introduction Some Words about HDCP Inside the Monoprice Blackbird 4K Pro The Test Digging Deeper:...
11 months ago
70
11 months ago
Introduction Some Words about HDCP Inside the Monoprice Blackbird 4K Pro The Test Digging Deeper: UART Transactions Decoding HDCP I2C Transactions The Legality of It All References Footnotes Introduction I got my hands on a Monoprice Blackbird 4K Pro HDCP 2.2 to 1.4...
computers are bad
2024-08-19 mining for meteors Billboards Route 66 is often viewed through the lens of its billboards. The Jack Rabbit Trading...
2 months ago
34
2 months ago
Billboards Route 66 is often viewed through the lens of its billboards. The Jack Rabbit Trading Post, a small store a few miles out of Joseph City, would hardly be remembered were it not for its billboards spanning four states. The tradition of far-advance billboards is still...
./techtipsy
The little Wi-Fi AP that could I have a bad habit of testing things whenever a “good” idea pops into my head. This is a short...
over a year ago
19
over a year ago
I have a bad habit of testing things whenever a “good” idea pops into my head. This is a short overview of one of them. The Orange Pi Zero is a SBC (single board computer) that has a slow 32-bit ARM 4 core CPU, 512MB of RAM and no display output. It’s actually quite OK for many...
Christian Selig
More Efficient/Faster Average Color of Image Skip to the ‘Juicy Code 🧃’ section if you just want the code and don’t care about the preamble of...
over a year ago
22
over a year ago
Skip to the ‘Juicy Code 🧃’ section if you just want the code and don’t care about the preamble of why you might want this! Finding the average color of an image is a nice trick to have in your toolbelt for spicing up views. For instance on iOS, it’s used by Apple to make their...
Arduino Blog
The Club Master is a Nano RP2040 Connect-powered device that improves your golf swing When playing golf, few things are as important as using the correct form when swinging, since even...
5 months ago
35
5 months ago
When playing golf, few things are as important as using the correct form when swinging, since even small deviations can be the difference between a hole-in-one and additional strokes. To improve his game, Concept Bytes has designed a small clip-on device called the “Club Master.”...
computers are bad
2023-12-23 ITT Technical Institute Programming note/shameless plug: I am finally on Mastodon. The history of the telephone industry is...
10 months ago
43
10 months ago
Programming note/shameless plug: I am finally on Mastodon. The history of the telephone industry is a bit of an odd one. For the greatest part of the 20th century, telephony in the United States was largely a monopoly of AT&T and its many affiliates. This wasn't always the case,...
Arduino Blog
DIY submersible pump controller helps retrieve well water It might surprise our urban-dwelling readers, but wells are still very common in rural areas where...
4 months ago
29
4 months ago
It might surprise our urban-dwelling readers, but wells are still very common in rural areas where it is difficult or prohibitively expensive to run utilities. The CDC reports that more than 15 million households rely on groundwater and wells — and that’s just in the United...
./techtipsy
Anything's a portable speaker if you're brave enough I hate buying things that are single-purpose, which is why I ended up with this setup. Take a...
a year ago
43
a year ago
I hate buying things that are single-purpose, which is why I ended up with this setup. Take a speaker, a battery, put them together, and what you now have is a portable speaker. Since I had access to both, I felt no need to buy a separate portable speaker for use in social...
./techtipsy
Why you might not want to publicly self-host a Wikipedia clone A while ago I wrote about how easy it is to download an archive of Wikipedia and host it...
a year ago
55
a year ago
A while ago I wrote about how easy it is to download an archive of Wikipedia and host it anywhere you want using Kiwix. I’m still hosting Kiwix sites publicly, but here are a few things you might want to consider before doing so yourself. The spam I have a specific e-mail address...
Arduino Blog
Galco goes Platinum! Welcome our newest SIPP Founded in 1975 and headquartered in Madison Heights, Michigan, Galco is a leading e-commerce...
6 months ago
62
6 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...
Electronics etc…
Hideo Okawara’s Mixed Signal Lecture Series Introduction Hideo Okawara’s Mixed Signal Lecture Series Frequency/Phase Movement Analysis by...
9 months ago
68
9 months ago
Introduction Hideo Okawara’s Mixed Signal Lecture Series Frequency/Phase Movement Analysis by Orthogonal Demodulation Misc Introduction While researching a DSP related topic, Google dug up an excellent article, written by Hideo Okawara, that is just one part of a series of ~53. I...
Abort Retry Fail
The History of Windows NT 4 Taking the Server Market
a year ago
Arduino Blog
A miniature Vegas Sphere is the perfect nightlight Sphere in Las Vegas is inarguably one of the most notable architectural achievements of the...
3 months ago
25
3 months ago
Sphere in Las Vegas is inarguably one of the most notable architectural achievements of the 21st century so far. Gaudy? Maybe. Controversial? Definitely. Interesting? Absolutely — no one can debate that with a straight face. When 15-year-old Ben Kennedy’s bedroom nightlight...
Christian Selig
Instant Pan Gesture Interactions Apple has a really awesome WWDC 2018 video called Designing Fluid Interfaces, and one of the key...
a year ago
51
a year ago
Apple has a really awesome WWDC 2018 video called Designing Fluid Interfaces, and one of the key takeaways from the videos that one of the presenters, Chan Karunamuni, said is “Look for delays everywhere. Everything needs to respond instantly.” (6:28) A really great example of...
Arduino Blog
A DIY bottle-labeling machine perfect for homebrewers While it is certainly possible (and common) to put homebrewed beer into kegs, that requires...
4 months ago
34
4 months ago
While it is certainly possible (and common) to put homebrewed beer into kegs, that requires regulated gas and large refrigeration space. A keg is also more difficult to transport and overkill if you just want to bring a few beers to a friend’s backyard BBQ. For those reasons,...
computers are bad
2024-05-06 matrix For those of you who are members of the Matrix project, I wanted to let you know that I am running...
5 months ago
95
5 months ago
For those of you who are members of the Matrix project, I wanted to let you know that I am running for the Governing Board, and a bit about why. For those of you who are not, I hope you will forgive the intrusion. Maybe you'll find my opinions on the topic interesting anyway. I...
Arduino Blog
Kickstart your tech journey, with the new Arduino Plug and Make Kit! Hey, creating an IoT device shouldn’t be rocket science. We believe technology is for everyone....
3 months ago
42
3 months ago
Hey, creating an IoT device shouldn’t be rocket science. We believe technology is for everyone. That’s why we’ve developed the whole new, beginner-friendly Plug and Make Kit – the easiest way to get started with Arduino!  Inside the box, you’ll find everything you need to create...
Christian Selig
Juno for YouTube has been removed from the App Store For those not aware, a few months ago after reaching out to me, YouTube contacted the App Store...
a month ago
20
a month ago
For those not aware, a few months ago after reaching out to me, YouTube contacted the App Store stating that Juno does not adhere to YouTube guidelines and modifies the website in a way they don’t approve of, and alludes to their trademarks and iconography. I don’t personally...
latest projects -...
POV Candle [Hardware] Tiny volumetric display
11 months ago
./techtipsy
Surviving the front page of HackerNews on a 50 Mbps uplink Around a month ago I shared my blog post on HackerNews. I guess I lucked out with the choice of the...
over a year ago
31
over a year ago
Around a month ago I shared my blog post on HackerNews. I guess I lucked out with the choice of the topic, because it brought out a lot of enthusiasts who shared their own experiences with older machinery that still works in 2022. I really appreciate the feedback and...
Computer Ads from...
Bomb Squad Peripherals' BLOWGUN It Could Have Been a Lot Worse - His Data is BLOWGUN Protected!
4 months ago
Arduino Blog
This Arduino-controlled machine dispenses the perfect bowl of cereal Breakfast cereal is controversial. Milk or cereal first? Best cereal to milk ratio? Favorite cereal?...
5 months ago
58
5 months ago
Breakfast cereal is controversial. Milk or cereal first? Best cereal to milk ratio? Favorite cereal? Most attractive mascot? The opportunities for debate never end. But we can all agree that consistency is key when it comes to the milk:cereal ratio — nobody changes that up from...
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...
3 months ago
51
3 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...
Engineers Need Art
VPX Scripting - Part 3 (Cut & Paste) Sound code is added in this third in a series of posts about scripting Visual Pinball tables.
6 months ago
Arduino Blog
This desk lamp automatically adjusts its brightness using AI on an Arduino UNO When you hear about all of the amazing things being accomplished with artificial intelligence today,...
4 months ago
28
4 months ago
When you hear about all of the amazing things being accomplished with artificial intelligence today, you probably assume that they require a massive amount of processing power. And while that is often true, there are machine learning models that can run on the edge — including on...
Old Vintage...
Programming the Convergent WorkSlate's spreadsheet microcassette future In this particular future, we will all use handheld spreadsheets stored on microcassettes, talking...
a month ago
27
a month ago
In this particular future, we will all use handheld spreadsheets stored on microcassettes, talking to each other via speakerphone, and probably listening to Devo and New Order a lot. (Though that part isn't too different from my actual present.) a computer whose manufacturer...
latest projects -...
LED Matrix Earrings [Hardware] Itsy bitsy teeny weeny yellow dot-matrix LED
8 months ago
computers are bad
2023-01-29 the parallel port A few days ago, on a certain orange website, I came across an article about an improvised parallel...
a year ago
49
a year ago
A few days ago, on a certain orange website, I came across an article about an improvised parallel printer capture device. This contains the line: There are other projects out there, but when you google for terms such as "parallel port to usb", they drown in a sea of "USB to...
Arduino Blog
This smart spice box makes cooking a breeze Many people shy away from cooking because they’re overwhelmed by all of the different steps and...
4 months ago
31
4 months ago
Many people shy away from cooking because they’re overwhelmed by all of the different steps and ingredients. Recipes are useful, but they aren’t very intuitive to those who are more comfortable with visual thinking. To help these people enjoy the cooking experience, Purdue...
computers are bad
2024-03-01 listening in on the neighborhood Last week, someone leaked a spreadsheet of SoundThinking sensors to Wired. You are probably asking...
8 months ago
64
8 months ago
Last week, someone leaked a spreadsheet of SoundThinking sensors to Wired. You are probably asking "What is SoundThinking," because the company rebranded last year. They used to be called ShotSpotter, and their outdoor acoustic gunfire detection system still goes by the...
Arduino Blog
5 ways to use Arduino with kids One of the great things about making is that it really is for everyone — every budget, every skill...
5 months ago
36
5 months ago
One of the great things about making is that it really is for everyone — every budget, every skill level, and every age group. Children are one of the groups that can benefit the most from Arduino. Getting exposed to making and home automation from an early age can be enormously...
Arduino Blog
Save money by making your own MKR WiFi 1010-powered smart thermostat Go browse your favorite store for a smart thermostat and take a look at the prices. They aren’t...
3 months ago
30
3 months ago
Go browse your favorite store for a smart thermostat and take a look at the prices. They aren’t cheap and the more affordable models tend to lock you into proprietary ecosystems. But a decent smart thermostat can save you money on energy costs, so you might want to consider this...
Arduino Blog
Making a car more secure with the Arduino Nicla Vision Shortly after attending a recent tinyML workshop in Sao Paolo, Brazil, Joao Vitor Freitas da Costa...
2 months ago
26
2 months ago
Shortly after attending a recent tinyML workshop in Sao Paolo, Brazil, Joao Vitor Freitas da Costa was looking for a way to incorporate some of the technologies and techniques he learned into a useful project. Given that he lives in an area which experiences elevated levels of...
Electronics etc…
Tesla’s FSD - First and Last Impressions TLDR: It’s a useless technology demo. Introduction Rules of Engagement Test Ride 1: from Kings Beach...
5 months ago
85
5 months ago
TLDR: It’s a useless technology demo. Introduction Rules of Engagement Test Ride 1: from Kings Beach to Truckee (11 miles) Test Ride 2: I-80 from Truckee to Blue Canyon (36 miles) Test Ride 3: from West-Valley College to I-85 Entrance (1 mile) Conclusion Introduction In the past...
Style over Substance
Using the Olympus XA as an everyday carry camera The Olympus XA has been my EDC camera this year and I gotta say – it’s a ton of fun. The concept of...
over a year ago
55
over a year ago
The Olympus XA has been my EDC camera this year and I gotta say – it’s a ton of fun. The concept of EDC – Every Day Carry – is that a piece of equipment should be light and compact enough to have with you every day, yet still versatile enough to be useful in […] The post Using...
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...
3 weeks ago
15
3 weeks 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...
./techtipsy
Disabling the crappy Broadcom Bluetooth adapter in your ThinkPad T430 running Linux You’ve disabled the boneheaded Lenovo WiFi adapter whitelist using a tool like 1vyrain, installed a...
over a year ago
31
over a year ago
You’ve disabled the boneheaded Lenovo WiFi adapter whitelist using a tool like 1vyrain, installed a better adapter like the Intel Dual Band Wireless-AC 7260, and found that Bluetooth is not working as intended on your ThinkPad T430 running Linux? Here’s a guide on what you can...
computers are bad
2023-02-13 my homelab I have always found the term "homelab" a little confusing. It's a bit like the residential version...
a year ago
46
a year ago
I have always found the term "homelab" a little confusing. It's a bit like the residential version of "on-premises cloud," in that it seems to presuppose that a lab is the normal place that you find computer equipment. Of course I get that "homelab" is usually used by those who...
Arduino Blog
A stroopwafel doneness detection device If you’re lucky enough to visit the Netherlands and you order a hot drink, you’ll likely be given a...
3 months ago
35
3 months ago
If you’re lucky enough to visit the Netherlands and you order a hot drink, you’ll likely be given a sweet treat as well. That is a stroopwafel, a crispy little waffle-syrup sandwich that the Dutch like to rest on top of their drink so that the rising heat will soften the pastry....
Computer Ads from...
Vote for the April 2004 Plus Post Topic If you are a paid subscriber, voting is open for one week
7 months ago
./techtipsy
The IKEA-powered homelab on a wall I recently learned about the IKEA SKÅDIS series, which is a pegboard that supports a variety of...
a year ago
63
a year ago
I recently learned about the IKEA SKÅDIS series, which is a pegboard that supports a variety of extras. During my self-hosting journey having to figure out the best place for putting all my compute stuff to has always been at the back of my mind, especially due to limited...
./techtipsy
Lenovo ThinkPad P14s gen 4 (AMD): it doesn't suck under Linux I’ve had the opportunity to try out another new laptop at work. I’ve used a brand new laptop...
6 months ago
76
6 months ago
I’ve had the opportunity to try out another new laptop at work. I’ve used a brand new laptop recently, and it was horrible. But this time I’m pleasantly surprised. The Lenovo ThinkPad P14s gen 4 has great specs: CPU: AMD Ryzen 7 PRO 7840U (8 cores, 16 threads, up to 5.1 GHz) GPU:...
computers are bad
2023-02-14 something up there pt I Over the last few weeks, there has been an astounding increase in the number of objects shot down by...
a year ago
40
a year ago
Over the last few weeks, there has been an astounding increase in the number of objects shot down by North American air defense. Little is yet known about some of these objects, but it is clearly one of the more dramatic UFO turns in recent memory. Some of the mystery is simply...
./techtipsy
The simplicity of the modulo operator: how I scaled an inefficient solution on a legacy system Your service cannot process events fast enough during peak hours. There is no obvious quick and...
10 months ago
57
10 months ago
Your service cannot process events fast enough during peak hours. There is no obvious quick and dirty fix. Refactoring would take ages. People have been unhappy for a while now. What the hell do you do? Background I had the pleasure of working with a legacy backend system...
Christian Selig
Autonomous Standing Desk and Chair Review Autonomous was nice enough to send me one of both their Smart Desk Pro standing desks and ErgoChair...
11 months ago
47
11 months ago
Autonomous was nice enough to send me one of both their Smart Desk Pro standing desks and ErgoChair Pro chairs in exchange for posting about them on Twitter, and I wanted to cover them in more detail on my blog as well so I could give my full thoughts on them for anyone in the...
computers are bad
2023-04-20 different kinds of differential On the front page of HN today was an [article with a confusing headline], "Farmers 'crippled' by...
a year ago
43
a year ago
On the front page of HN today was an [article with a confusing headline], "Farmers 'crippled' by satellite failure as GPS-guided tractors grind to a halt." Of course the headline doesn't actually say this, but it does seem to imply that there has been some kind of failure of...
Electronics etc…
A Hardware Interposer to Fix the Symmetricom SyncServer S200 GPS Week Number Rollover Problem Introduction IMPORTANT: Use the Right GPS Antenna! The Problem: SyncServer Refuses to Lock to...
2 months ago
34
2 months ago
Introduction IMPORTANT: Use the Right GPS Antenna! The Problem: SyncServer Refuses to Lock to GPS The GPS Week Number Rollover Issue Making the Furuno GT-8031 Work Again How It Works Build Instructions Power Supply Recapping The Future: A Software-Only Solution The...
Engineers Need Art
Move Fast and Abandon Things For every shareware game I released in the 1990's, another four were partially written but put aside...
a month ago
23
a month ago
For every shareware game I released in the 1990's, another four were partially written but put aside and abandoned.
computers are bad
2023-11-19 Centrex I have always been fascinated by the PABX - the private automatic branch exchange, often shortened...
11 months ago
66
11 months ago
I have always been fascinated by the PABX - the private automatic branch exchange, often shortened to "PBX" in today's world where the "automatic" is implied. (Relatively) modern small and medium business PABXs of the type I like to collect are largely solid-state devices that...
./techtipsy
Things I've learned during my self-hosting adventure This is a list of lessons that I’ve learned while playing around with my computer setup during the...
over a year ago
18
over a year ago
This is a list of lessons that I’ve learned while playing around with my computer setup during the last 6-7 years or so. USB connected storage is a bad idea when you are using BTRFS. USB connected storage is still a bad idea when you are using ZFS, but it is at least much more...
Arduino Blog
This DIY guitar transmitter sends digital audio to the amp When on stage, most guitarists will simply run a long cable from their guitar to the amp or mixer....
3 months ago
24
3 months ago
When on stage, most guitarists will simply run a long cable from their guitar to the amp or mixer. But that cable can become tangled or get in the way, which is a problem for some of the more animated musicians out there. Wireless transmitters exist for them to express themselves...
Electronics etc…
Measuring the HP 11720A Pulse Modulator and Coax Cables Introduction What is a pulse modulator and what are they used for? The HP 11720A Pulse...
a year ago
63
a year ago
Introduction What is a pulse modulator and what are they used for? The HP 11720A Pulse Modulator Inside the HP 11720A Measurement Setup for a Quick Testing Session Pin Modulator Power Measurements with HP 432A Cable Loss Measurements with HP 432A Cable Power Measurements with...
./techtipsy
This site will be offline on 2022-08-17 between 18:00-19:00 EEST There really isn’t much to say here, nor is there a rational reason behind this. I just see it as an...
over a year ago
45
over a year ago
There really isn’t much to say here, nor is there a rational reason behind this. I just see it as an opportunity to send a signal and test the capabilities of my UPS. I’ve prepared for this moment with my self-hosting setup, let’s see how well it holds up. Hopefully better than...
Style over Substance
Adding night shading to a Home Assistant mini-graph-card chart One of my favorite Lovelace interface cards for Home Assistant is the mini-graph-card by kalkih....
over a year ago
78
over a year ago
One of my favorite Lovelace interface cards for Home Assistant is the mini-graph-card by kalkih. It’s the card running most of the graphs in our smart home‘s dashboard. Surprisingly, mini-graph card is actually not included in Home Assistant by default – honestly, it should be,...
latest projects -...
Badge [Hardware] A RISC-V LED matrix
10 months ago
computers are bad
2023-05-07 electrical characteristics of telephone lines Let's take a break from our boring topic of regional history to focus instead on an even more boring...
a year ago
47
a year ago
Let's take a break from our boring topic of regional history to focus instead on an even more boring topic: implementation details of telephone lines. The conventional "copper pair" analog telephone line is fading away. The FCC has begun to authorize abandonment of copper outside...
Arduino Blog
Arduino Cloud is now natively supported on tablets  We’re excited to announce the release of IoT Remote v3.0.0, featuring a native tablet version...
6 months ago
74
6 months ago
We’re excited to announce the release of IoT Remote v3.0.0, featuring a native tablet version (available for both Android and iOS platforms) optimized for unlocking the full potential of larger screen sizes. What is the Arduino IoT Remote app?  The Arduino IoT Remote app allows...
computers are bad
2024-10-19 land art and isolation Prescript: I originally started writing this with the intent to send it out to my supporter's...
a week ago
12
a week ago
Prescript: I originally started writing this with the intent to send it out to my supporter's newsletter, EYES ONLY, but it got to be long and took basically all day so I feel like it deserves wider circulation. You will have to tolerate that it begins in the more conversational...
computers are bad
2024-10-12 commercial HF radio According to a traditional system of classification, "high frequency" or HF refers to the radio...
2 weeks ago
14
2 weeks ago
According to a traditional system of classification, "high frequency" or HF refers to the radio spectrum between 3 and 30 MHz. The label now seems anachronistic, as HF is among the lowest ranges of radio frequencies that see regular use. This setting of the goalposts in the early...
computers are bad
2024-01-06 usb on the go USB, the Universal Serial Bus, was first released in 1996. It did not achieve widespread adoption...
9 months ago
61
9 months ago
USB, the Universal Serial Bus, was first released in 1996. It did not achieve widespread adoption until some years later; for most of the '90s RS-232-ish serial and its awkward sibling the parallel port were the norm for external peripheral. It's sort of surprising that USB...
Old Vintage...
With PowerPC, Windows CE and the WiiN-PAD slate, everyone's a WiiN-er (except Data General) Telemedicine (and mobile health generally) accumulated a hunk of public mindshare during the...
5 months ago
93
5 months ago
Telemedicine (and mobile health generally) accumulated a hunk of public mindshare during the pandemic emergency, but speaking as someone with a day job in public health for almost two decades, it's always been a buzzword in certain corners of IT with enough money sloshing around...
Arduino Blog
Self-leveling workbench can travel without trouble An actually level workbench is critical for many different jobs, such as pouring resin or...
4 months ago
30
4 months ago
An actually level workbench is critical for many different jobs, such as pouring resin or calibrating sensors. But it is difficult enough to level a stationary workbench and that becomes a nightmare for a workbench that needs to roll around a shop on casters, as shop floors...
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...
5 months ago
29
5 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,...
./techtipsy
About the time I used Google Drive as a CMS for a web app Near the beginning of my software development career, I worked on a pretty standard web application....
a year ago
44
a year ago
Near the beginning of my software development career, I worked on a pretty standard web application. The project was not a commercial success, but it did give me a good technical foundation that turned out to be very useful for my career so far. For those interested, the tech...
computers are bad
2024-05-15 catalina connections Some things have been made nearly impossible to search for. Say, for example, the long-running...
5 months ago
92
5 months ago
Some things have been made nearly impossible to search for. Say, for example, the long-running partnership between Epson and Catalina: a query that will return pages upon pages of people trying to use Epson printers with an old version of MacOS. When you think of a point of sale...
computers are bad
2023-10-22 cooler screens Audible even over the squeal of an HVAC blower with a suffering belt, the whine of small, high...
a year ago
56
a year ago
Audible even over the squeal of an HVAC blower with a suffering belt, the whine of small, high velocity fans pervades the grocery side of this Walgreens. Were they always this loud? I'm not sure; some of the fans sound distinctly unhealthy. Still, it's a familiar kind of noise to...
computers are bad
2024-04-05 the life of one earth station Sometimes, when I am feeling down, I read about failed satellite TV (STV) services. Don't we all?...
6 months ago
84
6 months ago
Sometimes, when I am feeling down, I read about failed satellite TV (STV) services. Don't we all? As a result, I've periodically come across a company called AlphaStar Television Network. PrimeStar may have had a rough life, but AlphaStar barely had one at all: it launched in...
Christian Selig
Juno 1.1 If you’re new, Juno is a visionOS app for YouTube! Juno’s initial launch blew my socks off. It was...
8 months ago
35
8 months ago
If you’re new, Juno is a visionOS app for YouTube! Juno’s initial launch blew my socks off. It was such a cool feeling to release an app on day one of the Apple Vision Pro’s launch, and having people be so excited about it and have such great feedback made it that much better....
computers are bad
2023-07-29 Free Public WiFi Remember Free Public WiFi? Once, many years ago, I stayed on the 62nd floor of the Westin Peachtree...
a year ago
49
a year ago
Remember Free Public WiFi? Once, many years ago, I stayed on the 62nd floor of the Westin Peachtree Plaza in Atlanta, Georgia. This was in the age when the price of a hotel room was directly correlated with the price of the WiFi service, and as a high school student I was not...
Arduino Blog
Improve indoor air quality with Arduino When we think about air quality and pollution, it’s easy to conjure up images of smog-filled cities...
6 months ago
48
6 months ago
When we think about air quality and pollution, it’s easy to conjure up images of smog-filled cities and power plants churning clouds of poison into the atmosphere. And while all this is still important, and has massive consequences for our health, it’s all too easy to overlook...
Style over Substance
Review of the 2-dial TTArtisan Light Meter My latest purchase for my analog cameras is the TTArtisan light meter, a hotshoe-mounted meter...
over a year ago
56
over a year ago
My latest purchase for my analog cameras is the TTArtisan light meter, a hotshoe-mounted meter accessory. The market for these shoe-mounted light meters for vintage cameras has become weirdly competitive. They fit on top of a mechanical camera and provide you with the right...
computers are bad
2023-08-19 meanwhile elsewhere I had meant to write something today, but I'm just getting over a case of the COVID and had a hard...
a year ago
60
a year ago
I had meant to write something today, but I'm just getting over a case of the COVID and had a hard time getting to it. Instead I did the yard work, edited and uploaded a YouTube video, and then spewed out a Cohost thread as long as a blog post. So in lieu of your regularly...
computers are bad
2024-02-11 the top of the DNS hierarchy In the past (in fact two years ago, proof I have been doing this for a while now!) I wrote about the...
8 months ago
63
8 months ago
In the past (in fact two years ago, proof I have been doing this for a while now!) I wrote about the "inconvenient truth" that structural aspects of the Internet make truly decentralized systems infeasible, due to the lack of a means to perform broadcast discovery. As a result,...
Christian Selig
Theming Apps on iOS is Hard Theming apps (the ability to change up the color scheme for an app from say, a white background with...
over a year ago
34
over a year ago
Theming apps (the ability to change up the color scheme for an app from say, a white background with blue links to a light green background with green links) is a pretty common feature across a lot of apps. It’s one of the core features of the new “Twitter Blue” subscription,...
Computer Ads from...
Page 6 Magazine Interviews the Godfather of Adventure Games, Scott Adams Scott McNealy talks about Sun Microsystems, RISC, UNIX, and NeXT
3 months ago
Arduino Blog
Agitating homemade PCBs with ease If you want to make PCBs at home and you don’t happen to own a CNC mill, then you’ll probably need...
a month ago
17
a month ago
If you want to make PCBs at home and you don’t happen to own a CNC mill, then you’ll probably need to turn to chemical etching. Use one of several different techniques to mask the blank PCB’s copper that you want to keep, then toss the whole thing into a bath to dissolve away the...
computers are bad
2024-01-31 multi-channel audio part 2 Last time, we left off at the fact that modern films are distributed with their audio in multiple...
9 months ago
64
9 months ago
Last time, we left off at the fact that modern films are distributed with their audio in multiple formats. Most of the time, there is a stereo version of the audio, and a multi-channel version of the audio that is perhaps 5.1 or 7.1 and compressed using one of several codecs that...
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
50
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...
Arduino Blog
This device prevents garage door security breaches Your automatic garage door is almost certainly the most vulnerable access point in your house....
2 weeks ago
15
2 weeks ago
Your automatic garage door is almost certainly the most vulnerable access point in your house. Traditional systems are notorious for their susceptibility to replay attacks, but even more sophisticated modern garage door openers and those that lack remote functionality entirely...
./techtipsy
Life is maintenance, maintenance is life Over my relatively short career (6+ years), I’ve noticed a change in the way I approach building...
a year ago
42
a year ago
Over my relatively short career (6+ years), I’ve noticed a change in the way I approach building things. When I was still an inexperienced junior developer who barely survived operating in a Linux environment and saw backend development as a black box, I was happy to get...
Abort Retry Fail
The History of Red Hat The Billion Dollar Open Source Company
a year ago