Raspbery pi play mp3 file

 import time

import board

import digitalio

from audiomp3 import MP3Decoder

try:

    from audioio import AudioOut

except ImportError:

    try:

        from audiopwmio import PWMAudioOut as AudioOut

    except ImportError:

        pass  

   

button1 = digitalio.DigitalInOut(board.GP20)

button1.switch_to_input(pull=digitalio.Pull.UP)

mp3files = ["bell1.mp3", "bell2.mp3"]

mp3 = open(mp3files[0], "rb")

decoder = MP3Decoder(mp3)

#audio = AudioOut(board.A0)

audio = AudioOut(board.GP18)

while True:

    for filename in mp3files:

     

        decoder.file = open(filename, "rb")

        audio.play(decoder)

        print("playing", filename)

        while audio.playing:

            pass

        print("Waiting for button press to continue!")

        while button.value:

            pass

Raspbery pi Cytrol read write scCard

 

from board import *

from time import *

import busio

import sdcardio

import storage

spi = busio.SPI(GP10, MOSI=GP11, MISO=GP12)

cs = GP15

sd = sdcardio.SDCard(spi, cs)

vfs = storage.VfsFat(sd)

storage.mount(vfs, '/sd')

with open("/sd/test1.txt", "w") as file:

    file.write("1. Hello, world!\r\n")

with open("/sd/test1.txt", "a") as file:

    file.write("2. This is another line!\r\n")

with open("/sd/test1.txt", "a") as file:

    file.write("3. Last but not least!")

with open("/sd/test1.txt", "r") as file:

    print("Printing lines in file:")

    for line in file:

        print(line, end='')