Scan BLE packets from an Adafruit CLUE for a certain MAC address, get the advertisement data, repeat.

adafruit_clue_ble_scan.py

from adafruit_ble import BLERadio

# from adafruit_ble.advertising import Advertisement
# from adafruit_ble.advertising.standard import ProvideServicesAdvertisement
 
found = set()
scan_responses = set()

running = True
count = 0
total_scans = 100

while running:
    ble = BLERadio()
    for advertisement in ble.start_scan():
    # for advertisement in ble.start_scan(ProvideServicesAdvertisement, Advertisement):    
        addr = advertisement.address
        if advertisement.scan_response and addr not in scan_responses:
            scan_responses.add(addr)
        elif not advertisement.scan_response and addr not in found:
            found.add(addr)
        else:
            continue
        
        address = []
        for piece in addr.address_bytes:
            z = str(hex(piece))[2:]
            z = z if len(z) == 2 else "0" + z
            address.append(z)
        address.reverse()
        address_string = ":".join(address)
        
        if address_string == "aa:bb:cc:dd:ee:ff":
            print(advertisement)
            print(advertisement.data_dict)
            break
            # ble.stop_scan()
    ble.stop_scan()
    count += 1
    found = set()
    scan_responses = set()
    running = False if count > total_scans else True
print("scan done")

This is a slight modification on the CircuitPython examples. Details scan can be made by flipping the commented blocks and for statement. You can comment out the reset of found = set() at the end of the loop if you don't want to rescan old devices.