Airwave Detector

import neopixel
import board
import time
from digitalio import DigitalInOut, Direction, Pull
from adafruit_circuitplayground.bluefruit import cpb
from adafruit_ble.advertising.standard import ProvideServicesAdvertisement
from adafruit_ble import BLERadio
from adafruit_ble.advertising import Advertisement

RED = (255, 0, 0)

pixels = neopixel.NeoPixel(board.A1, 30)

ble = BLERadio()

button_1 = DigitalInOut(board.A3)
button_1.direction = Direction.INPUT
button_1.pull = Pull.UP

found = set()

scan_responses = set()

for i in range(len(pixels)):
    pixels[i] = (0, 0, 0)

while True:
    if not button_1.value:
        for advertisement in ble.start_scan(
            ProvideServicesAdvertisement, Advertisement, timeout=0.5
        ):
            addr = advertisement.address
            if button_1.value:
                break
            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
            print(addr, advertisement)
            print("\t" + repr(advertisement))
            print("scan done")
            print(len(found))
    else:
        if button_1.value:

            for i in range(len(pixels)):
                pixels[i] = (0, 0, 0)
                found = set()
                scan_responses = set()

    for i in range(len(found)):
        if i % 2 == 0 and i < 59:
            i = int(abs(i / 2))
            pixels[i] = (i * i, abs(255 / (2 + i)), 0)
    time.sleep(0.2)
    if len(found) >= 29:
        #    count = 0
        #    for i in range(len(pixels)):
        #    pixels[i] = 0
        continue