import array
import time
import audiobusio
import board
import librms
mic = audiobusio.PDMIn(board.MICROPHONE_CLOCK,
    board.MICROPHONE_DATA, bit_depth=16)
valores = array.array('H', [0] * 100)
while True:
    mic.record(valores, len(valores))
    magnitud = librms.rms(valores)
    print(magnitud)
    time.sleep(0.2)