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

1901 points l2silver | 3 comments | 27 Apr 23 15:04 UTC | HN request time: 0.46s | 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. troebr ◴[27 Apr 23 16:23 UTC] No.35730465[source]▶
I bought one of these LED screens (you get 64*32px, so not a lot!), and I wrote an app to view my local surf conditions on it (so I know what I'm missing out on while working). But because it doesn't support a way to run local apps that fetch from APIs, I had to add a way to show the forecast for other spots and make it "official". No idea how many people use it, but I saw it on instagram ads so that was some kind of validation haha. It looks like this: https://pbs.twimg.com/media/FMi996lVIAAQMI3?format=jpg&name=...
replies(2): >>35732265 #>>35765195 #
2. l2silver ◴[27 Apr 23 18:10 UTC] No.35732265[source]▶
wicked, I love these display projects
3. ornornor ◴[30 Apr 23 18:22 UTC] No.35765195[source]▶
> But because it doesn't support a way to run local apps that fetch from APIs, I had to add a way to show the forecast for other spots and make it "official".

I’m having difficulty parsing and understanding this sentence: how did this result in your display being posted on instagram without your knowing?