import bluetooth

def scan():
    """
    bluetooth detection is probabalistic, discover_devices() can fail to detect devices
    that are in range
    """
    nearby_devices = bluetooth.discover_devices()
    return nearby_devices


# use address of the Radon-Eye RD200 device we purchased off Amazon in 2021 October
target_address = "CF:CD:27:79:55:6B"

nearby_devices = scan()

# print a message about finding the device, or terminate
searching = True
for i in range(3):
    if target_address in nearby_devices:
        print("found ", target_address)
        searching = not searching
        break
if searching:
    print(target_address, " not found")
    quit()

# at this point I found out that bluez does not support BLE