I have used BluetoothLE
http://iot.appinventor.mit.edu/#/bluetoothle/bluetoothleintro
I ask for advice to do (in the simplest way possible) a scan of the Bluetooth signals and extract something like:
(which blocks is best to use)
“24: 4B: 03: 9C: 39: 0B”: - 98, “5F: D7: 13: 43: 76: 28” - 97 “, D0: 4F: 7E: 12: C4: 22”: - 97
by inserting them into a label
Thanks to those who want to indicate it
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