how to beacon between Smart mobile and NRF51 detect distance

[tran duc tien]

I am developing a beacon-related project, my nrf51 device needs to play beacon. Beacon will determine the distance from NR51-> Smartphone. If distance = distance I give, I will perform some action. So how to with only nrf51, only 1 smartphone can recognize beacon. and when the distance is known, where will the nrf51 interrupt occur?

Thanks!

Best regards,

Tienpjo

[Simonr]

Hi

So maybe something like the ble_app_proximity example is what you're looking for? It alerts the user when connected devices are too far apart and can, for example, use the battery service to transmit its battery level while connected.

Best regards,

SImon