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Ask HN: What Are You Working On? (June 2025)

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Re: Ask HN: What Are You Working On? (June 2025)

#93
post #80

Still working on: an enclosure-compatible open-source version of the 2nd gen Nest thermostat. It reuses the enclosure, encoder ring, display, and mounts of the Nest but replaces the "thinking" part with an open-source PCB that can interact with Home Assistant. - The encoder ring which works like an LED mouse, but in reverse: Fully reverse-engineered and on its own demo PCB - The faceplate PCB, which does the actual c…

Wow! Useful work, if that’s true about them planning to remotely nerf everyone’s product.

Yet another example of why not to buy a product that needs to be tethered to its manufacturer to work. Good luck. I’d be willing to beta test (I’d have to check what rev mine is)

Re: Ask HN: What Are You Working On? (June 2025)

#94
I’m building a custom vocalist/DSP AI. I’ve never built any kind of neural net beyond a toy demo, but I’ve been programming for ~25 odd years.

Think like ACE Studio, but I’m going much less for pitch performance and much more for clarity, expressiveness and human realism.

Very much at the data labeling phase but a little bit beyond the crude initial experiment phase.

Re: Ask HN: What Are You Working On? (June 2025)

#97
I posted a couple of months ago:

https://github.com/dahlend/kete

Research grade orbit calculations for asteroids and comets (rust/python).

I began working on this when I worked at caltech on the Near Earth Object Surveyor telescope project. It was originally designed to predict the location of asteroids in images. I have moved to germany for a PhD. I am actively extending this code for my phd research (comet dust dynamics).

Its made to compute the entire asteroid catalog at once on a laptop. There is always a tradeoff between accuracy and speed, this is tuned to be Example, here is the close approach of Apophis in 2029:

https://dahlend.github.io/kete/auto_examples/plot_close_appr...

Re: Ask HN: What Are You Working On? (June 2025)

#100
I wanted to learn a bit about backend development, so I've been building my own version of soundcloud with supabase. Main thing I've learnt so far, auth is flipping complicated. But it's been really fun! The audio compression is done clientside with ffmpeg and WASM, I'm pretty pleased with that approach. Everything is pretty busted atm, but I'm trying to get to a 'walking skeleton' then polish. I've been devlogging the process as I go for fun.

https://cassette.world/

https://www.youtube.com/watch?v=mwpg34oLvwU

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