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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: 0.208s | 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. manceraio ◴[29 Apr 23 17:35 UTC] No.35755120[source]▶
My flatmate used to watch TV in the living room quite loud when I was trying to sleep in my room.

I set a Raspberry Pi with an IR led running an Apache server close to the TV. From my phone I would visit the Raspberry IP and send signals to the IR led to lower the volume.