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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: 0.207s | 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. tonnoz ◴[30 Apr 23 12:26 UTC] No.35761923[source]▶
A few years back I made a smart smoke detector for a total of 12 euros to closely monitor the battery of drones during storage, saving at least 40 euros from the cheapest option available online at the time: https://medium.com/dev-jam/build-a-smart-smoke-detector-in-3...