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I turned an ESP32 into a Bluetooth presence sensor, and it knows which room I'm in

I'll never lose my phone again.
Hackaday

Espressif’s New ESP32-S31: Dual-Core RISC-V With WiFi 6 And GBit Ethernet

In a move that’s no doubt going to upset and confuse many, Espressif has released its newest microcontroller — the ESP32-S31. The confusing part here is that the ESP32-S series was always the one ...