hey guys im trying to make a program that raises the sound of a music according to the input volume by a microphone but using raspberry with a 3d sound-card im facing an error can you help me figuring out the problem IOError: [Errno Input overflowed] -9981 this is my code import numpy as np import p...

I installed the pyserial library but I don't know how to use it for bluetooth communication. I use to work with USB bluetooth modules using the PyBluez library but now I'm confused about the serial communication. Is there any tutorial that could help. Thank you!

hi, I have a serial bluetooth module (BlueTooth 2 Stick) that I need to connect to my raspberry pi. First, can I connect it directly to the TX-RX pins of the raspberry. Also, is there any python library for the interface.