My Pico DV Base 3 buttons drums

code.py

"""Three button drum machine on Pico DV base"""

import time
import board
from digitalio import DigitalInOut, Direction, Pull
from adafruit_debouncer import Debouncer

import synthio
import audiobusio
import audiomixer
import drums

led = DigitalInOut(board.LED)
led.direction = Direction.OUTPUT

### import board ###
### from digitalio import DigitalInOut, Direction, Pull ###

pin_button_A = DigitalInOut(board.BUTTON_A)
pin_button_A.direction = Direction.INPUT
pin_button_A.pull = Pull.DOWN

pin_button_B = DigitalInOut(board.BUTTON_B)
pin_button_B.direction = Direction.INPUT
pin_button_B.pull = Pull.DOWN

pin_button_C = DigitalInOut(board.BUTTON_C)
pin_button_C.direction = Direction.INPUT
pin_button_C.pull = Pull.DOWN

### from adafruit_debouncer import Debouncer ###
switch_A = Debouncer(pin_button_A)
switch_B = Debouncer(pin_button_B)
switch_C = Debouncer(pin_button_C)

### import audiobusio ###
audio = audiobusio.I2SOut(bit_clock=board.GP27, word_select=board.GP28, data=board.GP26)

### import audiomixer ###
mixer = audiomixer.Mixer(sample_rate=22050, buffer_size=2048, channel_count=1)
synth = synthio.Synthesizer(sample_rate=22050, channel_count=1)
audio.play(mixer)
mixer.voice[0].play(synth)
mixer.voice[0].level = 0.25  # 25% volume might be better

### import drums ###
kick_drum=drums.KickDrum(synth)

snare=drums.Snare(synth)
#snare.setLPF(8500)

high_hat=drums.HighHat(synth)
#high_hat=drums.HighHat(synth, t=0.230)
#high_hat.setHPF(8000)

while True:
    switch_A.update()
    switch_B.update()
    switch_C.update()

    if switch_A.rose:
        kick_drum.play()
    if switch_B.rose:
        snare.play()
    if switch_C.rose:
        high_hat.play()

To use this you need:

• a "pico dv" board from Pimoroni
• a raspberry Pi Pico (not the Pico W version)
• an headset
• the file drums.py from @gamblor21
• this code.py file from @dglaude