Esp32 wifi rssi rank

General discussions and questions abound development of code with MicroPython that is not hardware specific.
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Daveyman123
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Joined: Fri Jun 21, 2019 9:24 pm

Esp32 wifi rssi rank

Post by Daveyman123 » Fri Jun 21, 2019 9:29 pm

Is it possible to detect proximity of any given phone and light up an LED whenever one comes within say 3 feet?

I would also like to know if this could be done on battery for an extended time? If not maybe the scan only happens once every 30 seconds or so.

Thanks for the help 8-)
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