Wirelessly measure distance between ESP32's

All ESP32 boards running MicroPython.
Target audience: MicroPython users with an ESP32 board.
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rdagger
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Wirelessly measure distance between ESP32's

Post by rdagger » Fri Oct 19, 2018 11:56 pm

I'd like to build wearable devices that can detect when they are within close proximity to each other (approximately 1 meter). They would need to be battery operated and energy efficient but also consistent in terms of measuring distance. I'm thinking possibly BLE, ESP-Now or a similar technology. Any suggestions would be appreciated?

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