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Jan Rychter

@jrychter@mastodon.social
mastodon 4.8.0-nightly.2026-10-06
  • Open on mastodon.social

Electronics & programming. SQ5JR. 38911 BASIC bytes free. He/him. Founder of PartsBox: https://partsbox.com/ PGP 0xE6827E3A33823CC5 🇪🇺🇵🇱. I stand with 🇺🇦.

193 Followers
111 Following
28 Posts
Joined April 04, 2017
Open post
Jan Rychter @jrychter@mastodon.social
· 9mo ago
Boosted by @cstross@wandering.shop
If somebody told me 10 years ago this would be a CNN headline I would have laughed at them and said they were insane.
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Open post
Jan Rychter @jrychter@mastodon.social
· 2mo ago

The graph that should be front page news, but isn't. We are being fed clickbait and ragebait about clowns that we elected to be "politicians".

Instead of focusing efforts on clean energy (fusion, solar, wind, nuclear) and reducing emissions overall, we say "rah rah too expensive" and go with whatever is easiest now (change nothing).

(image from this article: https://www.lyrebirddreaming.com/post/the-graph-that-should-be-front-page-news)

The Graph That Should Be Front-Page News
Gregory Andrews

The Graph That Should Be Front-Page News

Every so often the Earth produces a signal that is impossible to ignore. This graph is one of them. It shows sea-surface temperatures in the Niño 3.4 region of the equatorial Pacific, one of the most important parts of the Earth

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Open post
Jan Rychter @jrychter@mastodon.social
· 3mo ago

I always thought these YOLO "curl some-shady-script.sh | bash" copy/pasteable things on software websites were a borderline insane idea, but this takes it to the next level.

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Open post
Jan Rychter @jrychter@mastodon.social
· 3mo ago

I just realized that the biggest friction point in my day-to-day work is…

Copy and paste.

I don't know why everybody decided to reinvent selections and: add doodads, bells and whistles, hijack clicks, auto-select, add various menus, automatically copy (and fail to do so).

This is a solved problem: 'xterm' solved it well and instead of poorly reinventing the wheel everybody should learn from it. It got double and triple-clicking right, auto-copy was there, and it WORKED.

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Open post
Jan Rychter @jrychter@mastodon.social
· 2mo ago

It is mind-boggling that if you pull up with an EV to a charging station, you have absolutely no idea how much you are going to pay per kWh. There is an obscure labyrinth of subscriptions, apps, RFID cards, etc., and even though every charging station has a display, you will never see the price that you are actually going to pay, and you will never be asked to confirm.

I don't think this is going to settle itself without regulatory intervention. It's too good for the businesses involved.

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Open post
Jan Rychter @jrychter@mastodon.social
· 2mo ago

RE: @cmb@cathode.church

FWIW, I have the Glasgow Interface Explorer revC and I love it. The hardware is well designed, the tool is very practical, and software, well, unlike most software, Glasgow software is a joy to run and use.

For those who have no idea what this is: it's like a Swiss army knife for digital electronics. Think programmable logic analyzer with high-speed protocol decoding, but also with write capability: it can actively talk to your electronics.

Highly recommended.

cathode.church

Cosmic Meow Background: "ok party people, it’s time. please sign up for th…" - Cathode Church

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Open post
Jan Rychter @jrychter@mastodon.social
· 3mo ago

I wonder when and where Claude Code got the idea of using bb to script things for more complex testing of my Clojure/ClojureScript app? 🤔

"⏺ Let me write a small bb nREPL client for read-only inspection to pick fixtures."

I mean, it's a good choice! But a bit surprising nonetheless! Cc @borkdude@mastodon.social

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Open post
Jan Rychter @jrychter@mastodon.social
· 12mo ago
Replying to
@rizzi@gloria.social Please don't abandon Reeder Classic. Some of us really prefer to track what has been read as opposed to "river of news".
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Open post
Jan Rychter @jrychter@mastodon.social
· 4mo ago
Replying to
As it turns out, AI can use the #glasgowinterfaceexplorer and Saleae Logic very well, too. This *really* cuts down on development and debugging time. Especially useful for reverse-engineering Chinese modules with shoddy or non-existent documentation.
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Open post
Jan Rychter @jrychter@mastodon.social
· 5mo ago
Replying to
@paul That's why I implemented OAuth myself (yes, myself, not vibe-coded). The intersection of OAuth with an app is just too large of a surface: I looked at several libraries, didn't like them, and didn't see a way to design a nice library API. OAuth is weaved into an application, not attached to it.
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Open post
Jan Rychter @jrychter@mastodon.social
· 5mo ago
Replying to
@whitequark@social.treehouse.systems Happy to see this 🙂
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Open post
Jan Rychter @jrychter@mastodon.social
· 5mo ago
Replying to
@spook@pleroma.m68k.church My suggestion would be: watch some Rich Hickey talks (start with "Simple made easy") and then look at Clojure. It's a modern lisp good for production use, with very well designed constructs for concurrency and a great client-side story (ClojureScript). SICP is enjoyable, but many people get bored with it quickly, and it won't get you to real-world apps anytime soon.
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Open post
Jan Rychter @jrychter@mastodon.social
· 12mo ago
Replying to
@alvaro oh no... I can't believe even Segger messed this up. TBH, they should offer a replacement program.
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Open post
Jan Rychter @jrychter@mastodon.social
· 4mo ago
Replying to
I'm just doing simple serial protocol stuff now, but I think that for more complex exploration, AI could write custom applets for the #glasgowinterfaceexplorer (which I am not capable of) — that could be a *really* powerful tool.
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Open post
Jan Rychter @jrychter@mastodon.social
· 9mo ago
Replying to
@kravietz The elephant in the room, though, is that EU-produced cars have been collecting data about us for years now, but the EU seems to be turning a blind eye to those privacy invasions. I suspect that's mostly because the car companies pretty much run the EU these days.
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Open post
Jan Rychter @jrychter@mastodon.social
· 4mo ago

Glasgow Interface Explorer is an amazing tool for AI to debug devices, as well as write drivers. The combination of a logic analyzer and a programmable protocol handler is really powerful in the "hands" of an AI, which can quickly write python scripts to talk to devices over I2C, SPI or UART.

Yak-shaving which would take me days/weeks now takes minutes/hours.

(and yes, my bench is messy, don't judge)

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Open post
Jan Rychter @jrychter@mastodon.social
· 4mo ago

@lcamtuf@infosec.exchange Every time I look at HN comments below mine, I regret it. I'm not sure why I keep doing it or why I keep posting on HN at all.

In this case I also wonder: what possible motivation would someone have to post AI slop on HN? 🤯

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Open post
Jan Rychter @jrychter@mastodon.social
· 4mo ago

I've been wondering why I couldn't talk to a small board module bought on Aliexpress through I2C, even though the chip supports I2C or SPI, and the board has clearly labeled SDA and SCK pins. Well that's what I get for just looking at the photo of the board and not going through the full description… 🤦‍♂️

SDA is really SPI_CS and SCK is really SPI_CLK. It's a SPI-only board.

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Open post
Jan Rychter @jrychter@mastodon.social
· 5mo ago

I feel you, Claude Code… I'm having a bad day, too.

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Open post
Jan Rychter @jrychter@mastodon.social
· 5mo ago

I tried again to quickly report spammers that use services like Mailgun or Mailchimp (I've given up on Google/Microsoft/AWS, they just ignore spam reports).

Now, this auto-reply from Mailgun has me puzzled. This is either 1) a joke, 2) incompetence, or 3) deliberate effort to make reporting spam more difficult so that people don't bother them.

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Open post
Jan Rychter @jrychter@mastodon.social
· 5mo ago

#Samsung is really taking this AGREE AGREE AGREE thing to new levels. This just popped up after their app logged me out. And it's all for controlling and air conditioner. That I paid for. It is getting truly disgusting.

Note how in this dialog EVERY option means AGREE. But you don't *have* to agree to *any* of the "options" which are presented as radio buttons so as to confuse you and make you think that you need to pick one.

Disgusting.

mastodon.social

Mastodon

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Open post
Jan Rychter @jrychter@mastodon.social
· 5mo ago

Take a break from computers, they said. Get into woodworking, they said. You will be able to turn off your brain and just drill holes, they said.

Meanwhile, me:

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Open post
Jan Rychter @jrychter@mastodon.social
· 5mo ago

I think it is bizarre that Ubuntu nginx packages do not ship with brotli support. This has been going on for years and getting brotli is increasingly difficult.

It's one of the best compression schemes and pretty much the quickest way to deliver pre-compressed web assets to pretty much every browser out there.

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Open post
Jan Rychter @jrychter@mastodon.social
· 2mo ago

I am so tired of this pattern of companies trying to screw you all the time when you're not paying attention.

This time, Stripe (I did not expect that from them) — I never signed up for any "Radar" thing, but they put me on the Standard plan a while back (I guess) and the Standard plan will start incurring fees in several months. Small fees, so perhaps people won't notice.

But hey, if I do pay attention, I can "downgrade" to Lite. Which doesn't incur fees. For now.

Not cool, Stripe. Not cool.

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Open post
Jan Rychter @jrychter@mastodon.social
· 2mo ago

Along similar lines, I have no idea how subscriptions that the AI companies sell are legal. What they sell you is an undefined amount of ill-defined "something" (tokens) and both of these things are changed over time by the seller. You, the buyer, have no idea what you are buying and how much of it you are buying. You basically pay for goodwill, hoping that the seller will grace you with some amount of access to the service.

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Open post
Jan Rychter @jrychter@mastodon.social
· 3mo ago

@lcamtuf@infosec.exchange And how about silly things to say about it?

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Jan Rychter @jrychter@mastodon.social
· 3mo ago

RE: @stroughtonsmith@mastodon.social

Oh yes, please. The world would be a better place if every developer did that!

mastodon.social
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