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Overengineering a way to know if people are in my university's CS lab

(www.amoses.dev)
174 points nicosalm | 1 comments | 21 Oct 24 19:12 UTC | HN request time: 0.197s | source
1. urbandw311er ◴[21 Oct 24 21:22 UTC] No.41908644[source]▶
Another state of the art people counting system would be ultra wideband. It can literally count the number of heartbeats in a room. See https://m.youtube.com/watch?v=adiUegDxZEs