A software thing I built: GPS on a 25MHz 486-SX
13 points by JPLeRouzic 3 hours ago | 5 comments

guenthert 49 seconds ago
"real-time GPS-driven moving map display"

Not the IMHO more interesting analog tech which lifts signals out of thermal noise.

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SillyUsername 15 minutes ago
I built one, tracking fleet vehicles with a custom box, using tiled maps, on behalf of Vodafone, back in 2002. I still remember I wrote a basic trans-mercator library too!

Of course Mercator projection may go out of fashion soon https://www.independent.co.uk/news/world/africa/world-map-eq... :)

Hope I'm called back to update the library ;)

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svag 31 minutes ago
I believe the library mentioned in the article should be this one https://geodyssey.github.io/overview/overview.html and here https://www.lukatela.com/geodyssey/
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JPLeRouzic 3 hours ago
The author says:

"It used Voronoi Cells and reduced most math to 8- and 16-bit integer calculations with one or two single-precision floating-point calculations."

I wonder if it can be used to speed up LLM inference.

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razashaikh92 2 hours ago
Cool software keep it up
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