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A comment on Building an occupancy sensor with a $5 ESP32 and a serverless DB. Parent comment

Re:Building an occupancy sensor with a $5 ESP32 and a server... by sgu999 on Tuesday November 14, 2023 @03:56AM (#38260746)
Did you consider using BT or UWB as a radar? On a tennis court you won't have any obstacles to worry about, I suspect it's relatively easy to solve.

UWB in particular is accurate enough to get breathing patterns...

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