Piezo bash keyboard

gistfile1.txt

# Write your code here :-)
import time
import board
from analogio import AnalogIn
import usb_hid
from adafruit_hid.keyboard import Keyboard
from adafruit_hid.keyboard_layout_us import KeyboardLayoutUS
from adafruit_hid.keycode import Keycode

bash_key = Keycode.SPACE

PAUSE = 0.01
THRESHOLD = 5000
PRESS_PAUSE = 0.2

debounce = 0.2


keyboard = Keyboard(usb_hid.devices)
keyboard_layout = KeyboardLayoutUS(keyboard)

analog_in = AnalogIn(board.A1)

prev_ten = []

for i in range(10):
    prev_ten.insert(0,analog_in.value)
    time.sleep(PAUSE)
    
last_press = time.monotonic()

while True:
    current_value = analog_in.value
    
    total = 0
    for value in prev_ten:
        total = total + value
        
    difference = abs((current_value * 10) - total)
    if difference > THRESHOLD:
        if (time.monotonic() - last_press) > debounce:
            print("Press")
            keyboard.press(bash_key)
            time.sleep(PRESS_PAUSE)
            keyboard.release_all()
            last_press = time.monotonic()
            
        '''
        else:
            print("debouce")
            print(last_press)
            print(time.monotonic())
        '''
            
    
    prev_ten = prev_ten[:-1]
    prev_ten.insert(0,current_value)
     
    time.sleep(PAUSE)