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Electronics etc…
Symmetricom 58532A GPS Antenna Supply Voltage Mod The Symmatricom 58532A Opening up the 58532A Voltage Regulation Result What about the other 58532A...
a year ago
142
a year 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...
Ken Shirriff's blog
The Intel 8088 processor's instruction prefetch circuitry: a look inside In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor. IBM's...
a year ago
29
a year ago
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor. IBM's decision to use the 8088 processor in the IBM PC (1981) was a critical point in computer history, leading to the dominance of the x86 architecture that continues to the present.1 One...
Lighthouse Blog
Updates March 22
a year ago
Computer Ads from...
Electronic Protection Devices' Electro-Clamp line The Underrated Virtues of Plain Vanilla
a year ago
Applied Cartography
Is cool enough? Via HN I ran into not one but two extremely neat and pleasant-looking libraries for URL...
a year ago
22
a year ago
Via HN I ran into not one but two extremely neat and pleasant-looking libraries for URL manipulation. They look like great libraries, and a prior version of me would have taken a brief set of cursory glances at the hodgepodge of janky URL manipulation code that I wrote for...
Old Vintage...
After 41 years, my first assembly program on my first computer, the Tomy Tutor We got it in 1983, I think, so it only took me about 41 years to get around to it. This Tomy Tutor...
a year ago
22
a year ago
We got it in 1983, I think, so it only took me about 41 years to get around to it. This Tomy Tutor isn't a replacement system I secondarily acquired, nor is it a Ship of Theseus Frankenstein rebuild. This is my actual first computer, in its original case, on its original...
Jonas Hietala
Let's create a Tree-sitter grammar One of my favorite features in Neovim is the Tree-sitter integration. It allows for fast syntax...
a year ago
27
a year ago
One of my favorite features in Neovim is the Tree-sitter integration. It allows for fast syntax highlighting that works well even in an error state (often the case when you’re editing code), and it has additional semantics (you can differentiate between function parameters and...
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...
a year ago
127
a year 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...
Applied Cartography
Globals in Histoire Histoire, like so many other tools in the Vue ecosystem, is a bit of a neglected younger sibling to...
a year ago
24
a year ago
Histoire, like so many other tools in the Vue ecosystem, is a bit of a neglected younger sibling to Storybook — a little bit uglier, with worse documentation and a couple rough edges, but much more tightly integrated with Vue and Vite. [1] One thing that was not particularly...
Notes on software...
Zig, Rust, and other languages Having worked a bit in Zig, Rust, Go and now C, I think there are a few common topics worth having a...
a year ago
29
a year ago
Having worked a bit in Zig, Rust, Go and now C, I think there are a few common topics worth having a fresh conversation on: automatic memory management, the standard library, and explicit allocation. Zig is not a mature language. But it has made enough useful choices for a number...
Lighthouse Blog
Updates March 15
a year ago
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
a year ago
Engineers Need Art
Experiments in Printmaking - Part 1 Trying some unconventional techniques to create a pop-art print of a Cherry Mash candy bar.
a year ago
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...
a year ago
120
a year 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.
GitButler
Fixing up Git with Autosquash How can you amend a series of commits automatically to keep a clean history? Let's take a look at...
a year ago
35
a year ago
How can you amend a series of commits automatically to keep a clean history? Let's take a look at git autosquash.
Computer Ads from...
Plus Post: Lobo MAX-80 The Computer Tandy Should Have Built (at least according to the ad).
a year ago
Notes on software...
First month on a database team A little over a month ago, I joined EnterpriseDB on a distributed Postgres product (PGD). The...
a year ago
23
a year ago
A little over a month ago, I joined EnterpriseDB on a distributed Postgres product (PGD). The process of onboarding myself has been pretty similar at each company in the last decade, though I think I've gotten better at it. The process is of course influenced by the team, and my...
Applied Cartography
Notes on Zed I was late to the VS Code zeitgeist, and as penitence I try to go out of my way to try new editors...
a year ago
23
a year ago
I was late to the VS Code zeitgeist, and as penitence I try to go out of my way to try new editors whenever I see them — which is why this morning I installed Zed, which makes its bones on performance (yay!) and teams functionality (irrelevant for my use cases, but seems...
Abort Retry Fail
Housekeeping for 20240309 Super quick updates
a year ago
computers are bad
2024-03-09 the purple streetscape Across the United States, streets are taking on a strange hue at night. Purple. Purple streetlights...
a year ago
162
a year ago
Across the United States, streets are taking on a strange hue at night. Purple. Purple streetlights have been reported in Tampa, Vancouver, Wichita, Boston. They're certainly in evidence here in Albuquerque, where Coal through downtown has turned almost entirely to mood lighting....
Bryan Braun - Blog
Why we prefer computers over consoles when introducing kids to gaming I grew up gaming on consoles like Nintendo 64 and Gamecube. I have a lot of fond memories playing...
a year ago
26
a year ago
I grew up gaming on consoles like Nintendo 64 and Gamecube. I have a lot of fond memories playing games with my brothers on those devices. But as my own kids have gotten older, my wife and I have decided to first introduce them to gaming with computers, instead of consoles. The...
Lighthouse Blog
Updates March 08
a year ago
./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...
a year ago
230
a year 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...
xa (xa65) 2.4.1 A quick one: xa (xa65), André Fachat's compatible fast two-pass cross-assembler for 6502, 65C02,...
a year ago
17
a year ago
A quick one: xa (xa65), André Fachat's compatible fast two-pass cross-assembler for 6502, 65C02, R65C02 and 65816 processors that André and I maintain is now at version 2.4.1. This optionally expands the syntax from 2.4.0 and fixes some bugs primarily with relocatable .o65...
latest projects -...
Simsim Pendant [Concept] Mercurial Medallion
a year ago
Jonas Hietala
Let's build a VORON: Wrap-up It’s finally done™. I’ve built a VORON that prints reliably and I’ve modded it enough to be able to...
a year ago
23
a year ago
It’s finally done™. I’ve built a VORON that prints reliably and I’ve modded it enough to be able to leave it alone for a while, so I think it’s time to wrap up this build series with a little retrospective. Building the printer was really fun and rewarding I’ve always seen...
Willem's Blog
No, I Won't Build That! Discover how saying 'no' can lead to more innovative and meaningful work in this blog post: "No, I...
a year ago
23
a year ago
Discover how saying 'no' can lead to more innovative and meaningful work in this blog post: "No, I Won't Build That!"
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.
a year ago
Louwrentius
How to run victron veconfigure on a mac Introduction Victron Multiplus-II inverter/charges are configured with the veconfigure1 tool....
a year ago
62
a year ago
Introduction Victron Multiplus-II inverter/charges are configured with the veconfigure1 tool. Unforntunately this is a Windows-only tool, but there is still a way for Apple users to run this tool without any problems. Tip: if you've never worked with the Terminal app on MacOS, it...
Old Vintage...
An Apple district manager's Macintosh Portable in 1989-91 (featuring GEIS AppleLink and a look at... a late prototype Macintosh Portable. But it turns out it's not merely notable for what it is than...
a year ago
23
a year ago
a late prototype Macintosh Portable. But it turns out it's not merely notable for what it is than what it has on it: a beta version of System 6.0.6 (the doomed release that Apple pulled due to bugs), Apple sales databases, two online services — the maligned Mac Prodigy client,...
Applied Cartography
PSA: mess around with Kolo I had bookmarked Kolo many months ago to try out and finally got a chance to integrate it with...
a year ago
21
a year ago
I had bookmarked Kolo many months ago to try out and finally got a chance to integrate it with Buttondown — a process that I expected to take a couple hours on a lazy Sunday and in fact took ten minutes and three lines of code. If you have a Django app, I think you should drop...
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...
a year ago
123
a year 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...
Good Enough
Let's talk about conversations If you subscribe to our newsletter — which you do, right? — then you'll know that recently we've...
a year ago
25
a year ago
If you subscribe to our newsletter — which you do, right? — then you'll know that recently we've been thinking about conversations. We're a small group making fun software for people, and we like to have conversations with those people; the lovely folks who like our take on...
Jonas Hietala
Let's build a VORON: Major failure The left POM nut got ground down, making the bed fall down. After 600 hours, the printer met it’s...
a year ago
23
a year ago
The left POM nut got ground down, making the bed fall down. After 600 hours, the printer met it’s first major failure. I know I earlier described how the extruder starter skipping in a big way, but that was just some filament getting stuck in the extruder. This time a part...
Lighthouse Blog
Updates March 01
a year ago
Computer Ads from...
Suture Software's Bludgeons 'n' Braggarts We very simply give you what you've been asking for -- we give you BLOOD
a year ago
Greater Still by...
Making the Internet Alive Again The Internet is changing. Are we changing, too?
a year ago
Jonas Hietala
Let's build a VORON: Noise The build is going well and the printer is printing tons of random stuff and I’m generally in awe of...
a year ago
32
a year ago
The build is going well and the printer is printing tons of random stuff and I’m generally in awe of how cool the printer is. But there’s one thing that sucks: it’s damn loud. I knew that it wouldn’t be silent, but I wasn’t prepared for this kind of noise. Silent controller...
Computer Ads from...
Salamander Software's Franklin's Tomb My name is Diamond, Dan Diamond. I'm a private cop.
a year ago
Jonas Hietala
Let's build a VORON: More mods The printer is done, but I feel one of the best part of a VORON printer is the ability to modify and...
a year ago
67
a year ago
The printer is done, but I feel one of the best part of a VORON printer is the ability to modify and personalize it. There a tons of mods you can do, and while I’ve done a few there are lots more that I’d like to do some day. It’s a wonderful feeling to augment the printer with...
Christian Selig
Trials and tribulations of 360° video in Juno In building Juno, a visionOS app for YouTube, a question that’s come up from users a few times is...
a year ago
118
a year ago
In building Juno, a visionOS app for YouTube, a question that’s come up from users a few times is whether it supports 360° and 180° videos (for the unfamiliar, it’s an immersive video format that fully surrounds you). The short answer is no, it’s sort of a niche feature without...
Lighthouse Blog
What I want to achieve with Lighthouse
a year ago
computers are bad
2024-02-25 a history of the tty It's one of those anachronisms that is deeply embedded in modern technology. From cloud operator...
a year ago
111
a year ago
It's one of those anachronisms that is deeply embedded in modern technology. From cloud operator servers to embedded controllers in appliances, there must be uncountable devices that think they are connected to a TTY. I will omit the many interesting details of the Linux terminal...
Applied Cartography
Vibes and years XH asks: How do indie developers/small teams keep track of and prioritize long-term roadmaps? I've...
a year ago
24
a year ago
XH asks: How do indie developers/small teams keep track of and prioritize long-term roadmaps? I've been basically work off my gut + Feeling of the Day for the past few years, and that's getting a bit unsustainable Buttondown's roadmapping has existed for the past three years in a...
Ken Shirriff's blog
The first microcomputer: The transfluxor-powered Arma Micro Computer from 1962 What would you say is the first microcomputer?1 The Apple I from 1976? The Altair 8800 from...
a year ago
24
a year ago
What would you say is the first microcomputer?1 The Apple I from 1976? The Altair 8800 from 1974? Perhaps the lesser-known Micral N (1973) or Q1 (1972)? How about the Arma Micro Computer from way back in 1962. The Arma Micro Computer was a compact 20-pound transistorized...
Good Enough
TIL: Easily Support Gravatars in Rails We’re building some software where we’d like to display avatars for email contacts even if they...
a year ago
26
a year ago
We’re building some software where we’d like to display avatars for email contacts even if they aren’t users of our software. While Gravatar is a relic of Web 2.0, we’ve found that there are still a significant number of people who have their email addresses in that...
watchTowr Labs
“To live is to fight, to fight is to live! - IBM ODM Remote Code Execution In previous blogs, we’ve discussed some of the big players in the enterprise software space, but...
a year ago
24
a year ago
In previous blogs, we’ve discussed some of the big players in the enterprise software space, but there is one that we have not mentioned before, that is - quite frankly - the heavy-weight champion of the world in terms of applications for large enterprises. With over a hundred
Electronics etc…
HP 8656A Signal Generator Schematics Agilent has made the 8656A Signal Generator Operating & Service Manual available as a PDF, but the...
a year ago
158
a year 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
My very first career day This post is a short overview of my experience at a career day in Valga, Estonia, hosted with the...
a year ago
152
a year 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...
latest projects -...
LED Matrix Earrings [Hardware] Itsy bitsy teeny weeny yellow dot-matrix LED
a year ago