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Ask HN: Most interesting tech you built for just yourself?

1901 points l2silver | 1 comments | 27 Apr 23 15:04 UTC | HN request time: 0.24s | source

Maybe you've created your own AR program for wearables that shows the definition of a word when you highlight it IRL, or you've built a personal calendar app for your family to display on a monitor in the kitchen. Whatever it is, I'd love to hear it.
1. epaga ◴[28 Apr 23 11:07 UTC] No.35739801[source]▶
I made an AR-based app for myself that tracks my head in 3D space and then pipes the position and angle data to my PC which uses an open source app called OpenTrack to emulate the "TrackIR" protocol to then 3D-control the camera in sim games (like flight sims) with slight movements of my head.

I then posted a little video of it to /r/flightsim (https://www.reddit.com/r/flightsim/comments/id7vmy/head_trac...) and it turned out to be something others wanted, too, so then I polished it and released it as a full app (SmoothTrack). It's been the most successful side project I've ever done.