fellerts

23 日前議論

This sounds cool, do you have a more detailed write-up?

This article inspired me to build an exploded view of a mechanical watch movement in real-life (2025): https://fellerts.no/projects/epoch.html

fellerts

2 か月前議論

I'm reminded by this short story posted to HN a couple months ago: https://nearzero.software/p/warranty-void-if-regenerated

The discussion is interesting as many people didn't catch that it was mostly written by Claude: https://news.ycombinator.com/item?id=47431237

fellerts

3 か月前議論

Jam a stick in the ground aligned with the earth's axis and take your bearing from the shadow's direction. Then follow GP's instructions. Never mind that we've reinvented the sundial...

fellerts

4 か月前議論

CTRL + W usually deletes everything until the previous whitespace, so it would delete the whole '/var/log/nginx/' string in OP's example. Alt + backspace usually deletes until it encounters a non-alphanumeric character.

Be careful working CTRL + W into muscle memory though, I've lost count of how many browser tabs I've closed by accident...

fellerts

5 か月前議論

  I’m surprised that they chose to add a bunch of components to feed the AC line frequency to the microcontroller instead of just using a 32.768 kHz crystal. A single crystal oscillator seems like both the cheaper and more accurate option

The power line frequency is carefully monitored and adjusted to ensure that deviations from the ideal (60 Hz in OP's case) are smoothed out [0]. Even a single ppm deviation equates to 2.6 seconds per month, and your cheap 32.768 kHz crystal is going to be orders of magnitude worse than that.

[0] https://en.wikipedia.org/wiki/Utility_frequency#Stability

fellerts

6 か月前議論

I think this package does exactly what you need: https://pkg.go.dev/github.com/google/gopacket/routing. Works on my machine (error handling left to the reader)

    router, _ := routing.New()
    iface, _, _, _ := router.Route(net.ParseIP("8.8.8.8"))
    fmt.Println(iface.Name)

this prints my Ethernet interface as expected. It doesn't make any requests, it just figures out where to route a packet. I guess it interfaces with the OS routing table.

fellerts

6 か月前議論

That has nothing to do with the UI framework. The X11 dependency comes as part of the clipboard integration (which I'd argue should be optional or even removed). Still, I wouldn't call it modern if Wayland is outright not supported.

fellerts

7 か月前議論

Cool project. Tip: acetone will readily dissolve the plastic parts of the card leaving the antenna(s) and chip intact. I believe a few other people have made drop-in PCBs with NFC antennas. Here’s one: https://n-o-d-e.net/datarunner.html

Also, no F-91W thread would be complete without a mention of the sensorwatch project: https://www.sensorwatch.net/

fellerts

9 か月前議論

The peak is a handful of requests per second. If you have a static site, the cheapest Hetzner tier handles it just fine.

fellerts

昨年議論

Most services just include cleaning and relubrication. Parts don’t wear out that quickly.

Most watches from before the quartz crisis (pre ‘70s) used standard off-the-shelf Swiss movements for which spare parts are still readily available. It can get tricky with expensive or rare in-house stuff like Omega and Rolex though.

fellerts

昨年議論

My drawer is already full of radium dials. I'm not sure adding nanoparticles to the mix is a very good idea.

I've never heard of index matching fluids! Will have to read up on this.

fellerts

昨年議論

I tried, but they're very difficult to cast. Epoxy resin is also very brittle and difficult to cut neat and square. A jagged edge does not bond very well to a smooth surface.

fellerts

昨年議論

https://fabianoefner.com/cutup/

fellerts

昨年議論

The minute hand is set to 43-ish minutes past the hour while the hour hand is showing 15-ish minutes past noon/midnight. If you’re used to reading analog watches it’s jarring.

fellerts

昨年議論

Watch a few hours of watch repair on YouTube. If you're still intrigued, I highly recommend Mark Lovick's course over at https://www.watchfix.com/. You'll learn all you need to know about tools, lubricants and techniques to service most watch movements.

fellerts

昨年議論

It is remarkable indeed! When not ruining watches with resin I enjoy servicing them, and I'm planning to learn how chronographs work next. The ST19 movement is on its way now, another very reasonably priced, reliable and fully mechanical chronograph with a column wheel. Hats off to the Chinese.

fellerts

昨年議論

Nothing of the sort has happened yet.

fellerts

昨年議論

I never gave that any serious thought. What additives would do that, do you think?

Edit: A quick search reveals that there is quite a lot of prior art from the optical community. Darn, maybe I'm not done here.

fellerts

昨年議論

Well, if Bartosz doesn't reach out (I offered to send it to him), I'll consider sending it to Adam. My favorite builds of his are boxes that reflect their contents, and I'd love to see what he'd consider for something like this.

投稿

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