import RPi.GPIO as GPIO       ## Import GPIO Library
import time                   ## Import 'time' library.  Allows us to use 'sleep'

## Define function for blinking LED
def Blink(pin, num=5, speed=1):
     """
     Blink LED using given GPIO pin, number of times and speed.
     - pin: GPIO pin to send signal
     - num: num of times to blink (default: 5)
     - speed: speed of each blink in seconds (default: 1)
     """
    for i in range(num):
        GPIO.setmode(GPIO.BCM)       # Set GPIO pin numbering
        GPIO.setup(pin, GPIO.OUT)    # Set requested pin for output
        GPIO.output(pin, GPIO.HIGH)  # Turn on requested GPIO pin
        time.sleep(speed)            # Wait
        GPIO.output(pin, GPIO.LOW)   # Turn off requested GPIO pin
        time.sleep(speed)            # Wait
        GPIO.cleanup()               # Clean pin setup

## Prompt user for input
pin = input("Enter pin number: ")
num = input("Enter the total number of times to blink: ")
speed = input("Enter the length of each blink in seconds: ")
Blink(int(pin), int(num), float(speed))

pip install scipy numpy matplotlib PyWavelets wavio

python bpm_detect.py audio.wav

optional arguments:
  -h, --help            show this help message and exit
  --window WINDOW       size of the the window (seconds) that will be scanned
                        to determine the bpm. Typically less than 10 seconds.
                        [3]
  --plot, -p            Plot tempo with matplotlib
  --write-midi WRITE_MIDI, -w WRITE_MIDI
                        Write MIDI to file
  --midi-note MIDI_NOTE, -n MIDI_NOTE
                        MIDI note number for click track output