Is there an existing method to determine the distance between the Bluetooth transmitter (board) and the receiver (Android/iOS)?
Is there an existing method to determine the distance between the Bluetooth transmitter (board) and the receiver (Android/iOS)?
It's possible to use RSSI to detect (estimate) the signal strength and can convert that to distance. It will not be very accurate.
It's possible to use RSSI to detect (estimate) the signal strength and can convert that to distance. It will not be very accurate.
In fact, not at all accurate - really just a "near" or "far" indication.